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文章大意:本文是一篇记叙文。文章讲述了Mike Fiorito和Nick Fiorito兄弟因为缺乏成就感而辞去高薪工作,创立了Blankets of Hope组织,旨在帮助无家可归的人。通过建立该非营利组织,并鼓励学校参与行善活动,兄弟俩已经成功地向美国、加拿大和墨西哥近2万名需要帮助的人提供了帮助。他们还鼓励成年人通过网站GoFundMe捐款,以支持购买毯子,并计划在今年冬天再送出2万条毯子。

1 . Brothers Mike and Nick Fiorito had a smooth life in the first 30 years. _________, they decided to quit their highly paid jobs since they realized that they often felt unfulfilled. At first they felt _________ about future without knowing what to do, but eventually they came up with an idea to help the homeless folks after _________ their poor situation on the street.

They _________ Blankets of Hope with their own efforts, which turned into a global nonprofit organization that also encourages kindness in schools. The brothers sent the blankets to schools. The kids would write the notes, and then _________ the brothers in delivering the blankets to homeless shelters in their local communities. They _________ students so that every blanket includes a note handwritten in classrooms to _________ homeless folks across the country.

Now, their organization is very _________ — reaching nearly 20,000 people in need across America, Canada and Mexico.

Adults can _________ as well. They can make efforts by donating on a GoFundMe page so that the brothers could have enough money to purchase the blankets. Thanks to people’s generous __________, the brothers aimed at __________ another 20,000 blankets this winter. And they expected these blankets would not only keep people warm, but provide a friendly __________ to another soul. The brothers tried to do what they could to make a __________ despite the sweat. They are __________ that more and more people can join them in __________ the kindness.

1.
A.OccasionallyB.FrequentlyC.ConsistentlyD.Unexpectedly
2.
A.confusedB.prosperousC.indifferentD.curious
3.
A.assumingB.acknowledgingC.resemblingD.witnessing
4.
A.backed downB.backed upC.set upD.cooperated with
5.
A.shunnedB.invadedC.assistedD.posed
6.
A.acclaimedB.involvedC.preservedD.dominated
7.
A.inspireB.promiseC.thankD.teach
8.
A.exquisiteB.fascinatingC.challengingD.successful
9.
A.disruptB.participateC.commemorateD.depict
10.
A.gloryB.frictionC.contributionD.victim
11.
A.giving awayB.giving inC.handing inD.wearing out
12.
A.comprehensionB.connectionC.barrierD.assessment
13.
A.differenceB.dateC.decisionD.estimate
14.
A.objectiveB.prosperousC.hopefulD.potential
15.
A.understandingB.receivingC.payingD.spreading
2024-05-02更新 | 138次组卷 | 2卷引用:人教版2019必修三unit2 morals and virtues单元测试B卷(含听力)
阅读理解-阅读单选(约400词) | 适中(0.65) |
文章大意:这是一篇应用。文章主要从多个角度评述了导演韦斯·安德森的电影《亨利·休格的奇妙故事》。

2 . Good news for all Wes Anderson fans — the US director is back with the film The Wonderful Story of Henry Sugar which hit Netflix, an online film provider, on Sept 27. It is a film adaptation of UK novelist Roald Dahl’s novel under the same name.

The film stars UK actor Benedict Cumberbatch as a wealthy man named Henry Sugar, who develops the ability to see through objects. At the very beginning he uses this power to cheat at cards and win big while gambling (赌博), and later turns his fortune into a global network of orphanages (孤儿院).

Dialogue style

Running for just 40 minutes, the film features Anderson’s quick-paced dialogue style. He also asked the actors to recite lines directly to the audience by looking at the camera, creating “the effect of listening to a podcast (播客) while turning the pages of a lovely picture book quickly”, commented CNN.

Visual style

Anderson’s work is immediately recognizable for his visual style as well. The “Anderson aesthetic (美学)” often uses bright color palettes (调色板) to both add visual appeal and make various ideas known to the audience, reported Yahoo News. In The Grand Budapest Hotel for example, Anderson uses a color palette of deep blues, rich greens and warm pinks to recreate an old-world European feel. In The Royal Tenenhaums the red tracksuits worn by Chaz, one of the main characters, show deep-seated anger resulting from parental trauma (创伤).

Symmetrical style

Another style is his use of symmetry (对称). Many of the shots involve (涉及) a person facing the camera, with the elements around the character set up in a sense of order and balance. Anderson explained to the media that it is out of his nature to “arrange things in a frame”, which he compares to how people can’t change the individuality of their handwriting. “You might try to write very well, but really, you have something your brain tends to do”, he said.

However, his obsessive repetition of these stylistic choices in his films has led some to question his ability to innovate (创新). In response to this, Anderson stated, “It’s not something I make any effort to do. I just want to make films that are personal but interesting to an audience.”

1. What do we know about the film The Wonderful Story of Henry Sugar?
A.Watching this film is actually listening to a podcast.
B.It reflects the unique style of the director Wes Anderson.
C.It is based on a real story of a wealthy man named Henry Sugar.
D.Its main character gains nothing in gambling in the end.
2. What’s the similarity between the films The Grand Budapest Hotel and The Royal Tenenbaums?
A.They both use colors to get various ideas across to the audience.
B.They both reflect deep-seated anger.
C.They both present an old-world European feel.
D.They both have colorful costumes to add to their appeal.
3. Why did Anderson use symmetrical style in his films?
A.Out of curiosity.B.Out of innovation.
C.Out of habit.D.Out of kindness.
4. What is the most probable type of the text?
A.A film script.B.A film lecture.
C.A film survey.D.A film review.
2024-05-01更新 | 55次组卷 | 3卷引用:人教版2019必修三unit5 the value of money单元测试B卷(含听力)
阅读理解-阅读单选(约350词) | 适中(0.65) |
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文章大意:本文为一篇记叙文,讲述了遭到意外事故的Mark Raymond在恢复时,看到社区严重缺乏无障碍健身房或设施,成立“瞬间基金会”帮助残疾人重建生活的故事。

3 . In 2016, Mark Raymond learned the hard way that life can change in a split second(一瞬间). One day, Raymond went boating with his friends. He jumped off the back of the boat and hit a sandbank, leading to a severe injury to his neck. He became paralyzed(瘫痪的)and spent months in the hospital receiving treatment. When he was allowed to leave the hospital, he realized that the hard part was just beginning. He still needed to exercise to recover his strength after finishing the outpatient(门诊病人)treatment.

However, when Raymond returned home, he realized there was a serious lack of accessible gyms or facilities that could help people with different abilities work out and improve their health in his community. The lack of them caused Raymond to take action. In 2018, he established the Split Second Foundation, a non-profit organization that provides treatment that takes up from where outpatient treatment left off.

“The Split Second Foundation has equipment for people who have different disabling conditions,” Raymond explained.“Our specially trained staff will evaluate(评估)disabled customers’ physical needs and limitations and then provide recovery, education, and ongoing fitness classes suitable for them. We’re able to push them in a recovery driven fitness environment to be their best selves.”

Raymond’s goal is to open more accessible gyms, not just in New Orleans where he lives. He hopes the Split Second Foundation can help even more people get their lives back after disastrous accidents. “People with disabilities should also be thought of as productive members of society,” said Raymond. “Anybody’s life can change in an instant due to some kind of injury or disabling condition, and we are providing what’s next.”

When Raymond couldn’t find the services he needed, he made some for himself and others. This is the sort of cleverness we love to see in the world.

1. What does the underlined part “the hard part” in Paragraph 1 refer to?
A.The mental problem.B.The process of recovery.
C.The high pressure of work.D.The treatment in the hospital.
2. What inspired Mark Raymond to set up the Split Second Foundation?
A.His love for a variety of sports.
B.His dream of becoming a businessman.
C.A boating accident that happened to his friend.
D.A lack of accessible exercise resources in his community.
3. What can we know about the Split Second Foundation?
A.It provides treatment by cooperating with hospitals.
B.It focuses on holding basic classes for poor children.
C.It offers fitness and recovery services to the disabled.
D.It creates plenty of job opportunities for disabled people.
4. Which of the following is the best title for the text?
A.Mark Raymond’s Journey from Paralysis to Recovery
B.Mark Raymond: Help the Disabled Rebuild Their Lives
C.The Importance of Accessible Gyms for Disabled People
D.Split Second Foundation: Offer Patients Postoperative Treatment
2024-04-29更新 | 82次组卷 | 3卷引用:人教版2019必修三unit2 morals and virtues单元测试A卷(含听力)
阅读理解-阅读单选(约410词) | 适中(0.65) |
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文章大意:本文是说明文。文章详细介绍了训鹰术的历史、过程以及在中东文化中的重要性。

4 . Falcons are powerful birds that may be trained to hunt in cooperation with humans. The art of training falcons as “hunting dogs of the skies” is called falconry (训鹰术). It was developed in the ancient Arabian Desert around 4000 B. C. In the past, falconry mainly involved hunting with falcons to supplement one’s diet. But now, it has become the favorite sport and pastime in the Arabian Peninsula.

Falconry includes three major processes: acquiring the falcons, training them, and hunting with them. Every year, falconers begin capturing wild falcons in June and July, the migration season. The best birds to catch are the ones with naturally nurtured hunting skills, aged one or two years. Once the falcons are captured, their heads are immediately covered with a leather hood. This is essential because they imprint as their master whomever they see first after the hood is removed. Right after a bird is caught, the training process starts. It begins by depriving (剥夺) the bird of food to make it easier to tame. The birds are taught to know their own name and respond to their master when called. Arab falconers live with their birds day and night in order to build a strong relationship with them.

By the end of October or mid-November, the trained falcons are ready to hunt in the desert. They have excellent vision, 2. 6 times greater than that of a human. They are also the fastest divers on the planet. One hunting technique that sets them apart from other animals is that they can be trained to deliver their prey, without killing it first. This is vital in Islamic culture because animals used for food must still be alive to ensure that the meat is halal, that is, properly prepared according to Islamic law.

Falcons have played such a crucial role in traditional Islamic cultures that a number of countries in the Middle East have made them their national bird. Falconry has grown so popular that specialist hospitals have been established to take care of these magnificent birds. Falcons are even issued their own passports. They are the only animals in the United Arab Emirates that are legally allowed to travel inside planes, enjoying a level of luxury that some humans can only dream of.

1. What is the main reason for Arabic people to hunt with falcons today?
A.To serve as entertainment and exercise.
B.To supplement their diet.
C.To replace the practice of hunting with dogs.
D.To honor their national bird.
2. What can we learn from the passage?
A.Falconers don’t give food to falcons in order to capture them.
B.Falcons are not allowed to see their masters during the training process.
C.Wild falcons with natural hunting skills are ideal for falconers to catch.
D.The trainers’ names are written on the hoods covering the birds’ heads.
3. What especially makes falcons a unique species for hunting in Islamic culture?
A.Falcons keep their prey alive before delivering it to falconers.
B.Falcons can form a strong bond with their owners quickly.
C.Falcons’ vision is particularly suitable for hunting in deserts.
D.Falcons are relatively easy to train for specific hunting.
4. According to the article, what privilege do falcons enjoy in the Arab world?
A.Free air ticket.B.Passports issued by the King.
C.Expensive meals.D.Access to specialized medical care.
2024-04-27更新 | 325次组卷 | 2卷引用:人教版2019必修三 Unit1 festivals and celebrations单元测试A卷(含听力)
智能选题,一键自动生成优质试卷~
文章大意:这是一篇说明文。文章解释了人们把钱捐给慈善机构背后的科学原因。

5 . This question has fascinated behavioural scientists for decades: why do we give money to charity?

The explanations for charitable giving fall into three broad categories, from the purely altruisic (利他的)— I donate because I value the social good done by the charity. The “impurely” altruistic— I donate because I extract value from knowing I contribute to the social good for the charity. And the not-at-all altruistic— I donate because I want to show off to potential mates how rich I am.

But are these motives strong enough to enable people to donate as much as they would want to? Most people support charities in one way or another, but often we struggle to make donations as often as we think we should. Although many people would like to leave a gift to charity in their will, they forget about it when the time comes.

Many people are also aware that they should donate to the causes that have the highest impact, but facts and figures are less attractive than narratives. In a series of experiments, it was found that people are much more responsive to charitable pleas that feature a single, identifiable beneficiary(受益者), than they are to statistical information about the scale of the problem being faced. When it comes to charitable giving, we are often ruled by our hearts and not our heads.

The good news is that charitable giving is contagious—seeing others give makes an individual more likely to give and gentle encouragement from an important person in your life can also make a big difference to your donation decisions— more than quadrupling them in our recent study. Habit also plays a part— in three recent experiments those who volunteered before were more likely to do donate their time than those who had not volunteered before.

In summary, behavioural science identifies a range of factors that influence our donations, and can help us to keep giving in the longer term. This is great news not just for charities, but also for donors.

1. What can we learn about people who do charitable giving?
A.Most people support charity as often as they think they should.
B.Some people don’t want to leave a gift to charity until the time comes.
C.Those who donate because they can gain an advantage are purely altruistic.
D.Some people send money to charity simply to tell others they are wealthy.
2. In which way will people donate more willingly?
A.Not revealing the names of the donors.
B.Showing figures about the seriousness of the problem.
C.Telling stories that feature a single, recognizable beneficiary.
D.Reminding people to write down what to donate in the will in advance.
3. What does the underlined sentence in paragraph 5 mean?
A.People will learn from others and follow the suit.
B.Many people are familiar with charitable giving.
C.Charitable giving helps the beneficiary in all aspects.
D.Charitable giving can bring a lot of benefits to donors.
4. What is the writing purpose of the passage?
A.To persuade more people to donate.
B.To explain the science behind why people donate.
C.To criticize some false charitable giving behaviours.
D.To explore approaches to making people donate more.
2024-04-16更新 | 113次组卷 | 4卷引用:人教版2019必修三 Unit 5 the value of money单元测试A卷(含听力)
阅读理解-阅读单选(约330词) | 适中(0.65) |
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文章大意:本文是篇夹叙夹议文。文章通过对贾玲所主演的电影《热辣滚烫》拍摄前后的介绍和内容描述,分析了这部电影所表达的真正的意义。

6 . Exhausted, Jia Ling ate five packs of chocolate cookies alone at night by her bed after wrapping up filming for her new film YOLO that day. “Recalling that moment, I felt so great, like a tired soldier claiming the spoils of war,” she said.

By then, she had lost an incredible 50 kilograms, and her entire image had changed. The chubby (胖乎乎的), round and cute comedian Jia Ling was gone, replaced by a cool, muscular warrior.

Audiences were shocked by her appearance on Chinese New Year’s Day, Feb.10, when the film was first released. Jia had kept everything so secretive, avoiding public appearances for a year, that her new look was only revealed when she appeared on the big screen. Conversations about her high-intensity weight loss training, along with her courage and determination, have become trending topics across China, propelling the film’s box office earnings.

YOLO, which stands for “you only live once,” is the theme Jia aims to tell in her new film. The story follows an overweight, depressed woman who becomes isolated from society. However, after meeting a boxing coach and taking up the sport, she begins to regain her passion and finds her way in life. The filming was divided into five stages. Jia had to gain 20 kilograms at first for the role, moving on to the final stage when she lost a significant amount of weight and became muscular. This method mirrors what some Hollywood stars, such as Christian Bale, have done, but Jia’s effort is jaw-dropping and takes it to an even more extreme level.

Yet, the film’s core goes beyond physical transformation. “This film is not about weight loss, nor is it much about boxing. It’s a film that tells the story of how a kind person finds her true self and learns to love herself,” Jia said.

1. What does the underlined word “propelling” in Paragraph 3 mean?
A.Disturbing.B.Restoring.C.Driving.D.Slowing.
2. Which of the following can best describe Jia?
A.Generous and funny.B.Determined and courageous.
C.Creative and sensitive.D.Ambitious and enthusiastic.
3. What is the movie YOLO mainly about?
A.A woman’s pursuit of boxing glory.
B.A woman’s journey through weight loss.
C.A woman’s struggle with social pressure.
D.A woman’s discovery of self-love and acceptance.
4. What message does Jia want to convey through the movie?
A.The early bird catches the worm.B.Actions speak louder than words.
C.It’s never too late to change.D.Don’t cry over spilled milk.
阅读理解-阅读单选(约350词) | 适中(0.65) |
文章大意:这是一篇说明文。文化遗产是一种珍贵的不可再生资源,对于修复被破坏的遗址人们持不同的观点。文章最后指出,保护文化遗产对人类的过去、现在和未来都具有重要意义,人类对于文化遗产保护所能做的最好事情就是持续监测。

7 . Cultural heritage sites are a nonrenewable resource. Today architectural heritage sites are being destroyed at an alarming rate. They’re threatened by rising seas, pollution, overtourism, conflicts and so on. Recently, Notre Dame Cathedral has attracted international attention.

Since its main construction from 1163 to 1350, Notre Dame Cathedral repeatedly has been damaged and repaired. On April 15, 2019, the landmark’s roof caught fire, causing the collapse of its spire (尖顶) and upper walls severely damaged. Work on the site began quickly. Through the work of photographer Tomas van Houtryve, writer Robert Kunzig, and artist Fernando Baptista, people will see restoring scenes where ruins are cleared and statues saved. Even the COVID-19 pandemic caused only a two-month delay. Architects have said the expensive project is on track to be completed in 2024.

And thorny questions arise. What duty do we owe the creations of our ancestors? What lesson can we draw from their presence?

Humankind has answered that differently. In Dresden, Germany, the Frauenkirche, an 18th-century baroque church, was famous for its bell-shaped dome (穹顶). In February 1945, one of the most destructive bombing attacks of World War II reduced the city to ruins. After German reunion, the church was reconstructed using many of its original stones, as a symbol of peace and harmony. Berlin’s Kaiser Wilhelm Memorial Church also fell to bombing but had a different story. Its spire has been left a ruin on purpose to be a “warning monument” against war and destruction.

Like the Frauenkirche, Notre Dame is being rebuilt as close as possible to how it was before, including using the original, toxic metal — lead (铅) — for the roof, causing the debate about how to restore and maintain historic buildings. Actually, no one claims to have the “right” answers on preservation; there may not even be right answers. What people could do is to continuously monitor the global care of cultural heritage sites, as a matter of significance to humanity’s past, present, and future.

1. What do we know about Notre Dame Cathedral?
A.It was once threatened by conflicts.
B.It collapsed totally during a fire decade ago.
C.It has undergone repeated repairs since 1163.
D.It was not influenced by the COVID-19 pandemic.
2. What does the underlined word “thorny” mean?
A.Simple.B.Tough.C.Accurate.D.Attractive.
3. Why are the Frauenkirche and Kaiser Wilhelm Memorial Church mentioned in para.4?
A.To remind people the value of peace and harmony.
B.To warn people the influence of war and destruction.
C.To demonstrate different solutions to heritage site preservation.
D.To introduce reconstruction methods such as using original materials.
4. What does the text mainly talk about?
A.Cultural heritage sites are nonrenewable so that they are worth protecting.
B.Notre Dame Cathedral has been the most attractive heritage site globally.
C.The reconstruction of cultural heritage sites seldom causes disagreements.
D.The reconstruction of Notre Dame Cathedral after fire has been completed.
2024-04-06更新 | 88次组卷 | 2卷引用:人教版2019 必修二 Unit1 单元测试B(含听力)
完形填空(约230词) | 适中(0.65) |
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文章大意:这是一篇记叙文。文章讲述了,去年作者和朋友创建非盈利项目The Pop-Up Care Shop的经历,该项目为需要的人提供免费的捐赠品,他们发现小型庇护所在获取社区支持方面常遇困难,但更欢迎创新和帮助,作者意识到物质帮助虽重要,但无形的爱、陪伴和耐心更能帮助人们生活,他们虽不能帮助所有人,但能为至少一个人带来改变。

8 . Last year, my friend, Kydee Williams, and I started a non-profit project because we wanted to do charity work differently. Thus, The Pop-Up Care Shop was _________.

TPUCS is a traveling shop of _________ donated goods for people in need. During the holidays, we _________ clothing drives and then went to women’s shelters. Our main goal was to help inspire women who were _________ with hope as well as bring a little holiday cheer to our local communities. _________ any project or movement wasn’t easy. Brainstorming and coming up with cool ideas was the _________ part, but actually bringing those ideas to life can seem almost _________ at times. However, there were lessons about _________ that we didn’t fully realize until we started this journey.

From our experience, we learned smaller shelters, especially those in less-commercialized areas were often _________ when it came to getting community support. Actually, they were typically more __________ to new and creative ideas and would greatly welcome __________ who offered help. Under our inspiration, many __________ people devoted themselves to non-profit work. Many shelters are understaffed and the staff overworked. Working directly with them helped us __________ the specific needs of the shelter.

While material things like food, clothes, money, and shelter can help people survive, what __________ helps people live is the intangible (无形) necessities like love, presence, patience. Even though we can’t help every single person in the world, we can __________ a world of difference for at least one person.

1.
A.foundB.donatedC.bornD.purchased
2.
A.cheapB.freeC.valueD.messy
3.
A.quitB.choseC.forbadeD.held
4.
A.homelessB.fearlessC.guiltlessD.restless
5.
A.CeasingB.HighlightingC.StartingD.Monitoring
6.
A.hardB.funC.oddD.core
7.
A.crucialB.unnecessaryC.impossibleD.logical
8.
A.breaking downB.giving backC.keeping upD.pulling through
9.
A.ignoredB.emphasizedC.mentionedD.estimated
10.
A.harmfulB.relevantC.opposedD.open
11.
A.shoppersB.pioneersC.officersD.volunteers
12.
A.reliableB.selflessC.creativeD.courageous
13.
A.understandB.satisfyC.anticipateD.illustrate
14.
A.originallyB.slightlyC.trulyD.barely
15.
A.identifyB.detectC.revealD.make
2024-03-29更新 | 644次组卷 | 4卷引用:人教版2019必修三unit2 morals and virtues单元测试A卷(含听力)
阅读理解-阅读单选(约360词) | 适中(0.65) |
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文章大意:本文是一篇记叙文。文章介绍了Nick Rose-Stamey和他的非营利组织“Band in a Bus”致力于提供音乐教育项目给公立学校中缺少音乐课程的学生,他希望能够改变音乐在学校中的地位,让它不再被忽视。

9 . Nick Rose-Stamey is a lot like Jack Black’s character in School of Rock- a guitarist who discovers a passion for making music accessible to children. Working in the nonprofit arts education sector over the last 10 years raised his awareness of the lack of music programs in public schools, and later inspired his nonprofit, Band in a Bus. “The original idea was to take an old school bus and turn it into the best band class on wheels,” he says.

In fact, activities of Band in a Bus don’t actually happen on a bus. It provides instruments, courses, and staffing to students. Kids 18 and under can also participate in enriching summer programs through Band in a Bus, such as Bucket Brigade, five weekly classes where grades K-4 learn rhythm (节奏) and STEAM (science, technology, engineering, arts, mathematics) principles through contemporary music. There are also teen bands for grades 7-12 where kids learn to play pop music and develop social and team work skills.

When schools went virtual during the COVID-19 period, Rose-Stamey thought it was a shame that instruments were left sitting on shelves instead of in the hands of kids. So he created and distributed more than 1,000 “Band in a Box” DIY kits. Each kit contains small noise makers like kazoos, drumsticks, and shakers, with the intention of introducing a modernized music class experience that meets kids where they are.

“It is reported that if a kid has 30 minutes of a performing arts or creative elective every singleday, then that’ll help them develop their social, emotional and leadership skills, because there’s a lot of team work when it comes to making music. You have to learn how to work well with others,” Rose-Stamey says.

In the last year, Band in a Bus has worked directly with more than 500 students. “Music is a win-win for everybody,” Rose-Stamey says. “I just hope that someday we can stop making it the first kid out in the dodge ball (躲避球) game.”

1. What motivated Rose-Stamey to establish Band in a Bus?
A.The movie School of Rock.B.The band classes in public schools.
C.His music learning experiences.D.Insufficient music education.
2. What can we say about Bucket Brigade classes?
A.They mainly focus on pop music.B.They are usually organized on a bus.
C.They encourage team-building activities.D.They combine music with other subjects.
3. What is the purpose of “Band in a Box”?
A.To promote noise making instrumental kits.
B.To help students gain access to music at home.
C.To lift students’ mood during the COVID-19 period.
D.To enable students to take creative electives every day.
4. What can we infer from Rose-Stamey’s words in the last paragraph?
A.We should treat every student equally.
B.We should give music enough importance.
C.We should reconsider the rules of the dodge ball game.
D.We should encourage fair competition in various activities.
2024-03-26更新 | 153次组卷 | 4卷引用:人教版2019必修三unit2 morals and virtues单元测试A卷(含听力)
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文章大意:本文是说明文。主要介绍了一项新的研究揭示微塑料和纳米塑料对人体健康的潜在影响。

10 . Plastic is everywhere, from the Arctic ice to vital organs in the human body. In fact, previous estimates suggest that the average person swallows a credit card-worth of microscopic plastic particles(颗粒) every week. But new research shows that this could actually be an understatement.

Microplastics are plastics smaller than 5 millimeters, found in industrial waste, beauty products, and formed during the degradation of larger plastic pieces. Over time, they break down into even smaller nanoplastics. These tiny particles can pass through our intestines and lungs into our bloodstreams, reaching vital organs like the heart and brain.

While the idea of eating plastic is unsettling in itself, the major concern here is that these plastic particles contain chemicals that can interrupt our body’s natural release of hormones, potentially increasing our risk of reproductive disorders and certain cancers. They can also carry toxins(毒素) on their surface like heavy metals.

In the past, researchers have shown bottled water can contain tens of thousands of identifiable plastic fragments in a single container. However, until recently, only the larger microplastics were detectable with available measuring tools, leaving the area of nanoplastics largely a mystery.

Using Raman microscopy (显微镜学), capable of detecting particles down to the size of a flu virus, the team measured an average of 240, 000 particles of plastic per liter of bottled water, 90 percent of which were nanoplastics, a revelation 10 to 100 times larger than previous estimates.

These plastics likely originate from the bottle material, filters used to “purify” the water, and the source water itself. “It is not totally unexpected to find so much of this stuff, ” the study’s lead author, Columbia graduate student Naixin Qian, said in a statement. His team hopes to expand their research into tap water and other water sources to better inform our exposure to these potentially dangerous particles. “The idea is that the smaller things get, the more of them I reveal, ” he added.

1. What is the primary focus of the new research?
A.The presence of plastic particles.B.The use of plastic in everyday products.
C.The detection methods for microplastics.D.The potential risks of nanoplastics to human.
2. What is the advantage of Raman microscopy?
A.Finding the source of plastic particles.B.Helping to cure the deadly flu virus.
C.Detecting the smaller plastic particles.D.Improving the quality of bottled water.
3. Why will the team expand their research into tap water?
A.To focus on areas with higher plastic pollution.
B.To be aware of the dangerous particles in daily life.
C.To further measure the types of particles in tap water.
D.To detect the smaller plastic particles in industrial areas.
4. What is Qian’s attitude towards his research?
A.Skeptical.B.Objective.C.Conservative.D.Positive.
2024-03-26更新 | 359次组卷 | 7卷引用:人教版2019 选必三Unit 3 单元测试B卷(含听力)
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