1 . On Saturday, Jacob Kohut finally had breaktime during his 12⁃hour standing guard outside the U.S. Capitol. He could have spent his break resting. Instead, he sat in the back of a Humvee, teaching students via his laptop how to play Beethoven’s “Ode to Joy”, which meant he was on double duty, as an active member of the National Guard and as a devoted school band teacher.

“I’m a soldier for the National Guard, but I’m as much a solider for music education,” he says.

When on duty, Kohut’s days began in the morning with teaching his elementary class remotely from the drill floor of DC Armory, finishing the lesson minutes before his Guard shift started at 10 a.m. Later in the day, during his break, he would go online to teach his middle school students from the back of a Humvee.

Music has always been a driving force in Kohut’s life. He was a saxophone player throughout high school, and finally earned his Doctor degree in music composition at George Mason University.

“What I really wanted was to teach,” says Kohut, who is married and has a three⁃year⁃old son. “My mom, who is a single mother, was a music teacher. That’s why I do what I do. She is such a good role model.”

Kohut’s double duty has caught the attention of parents at Canterbury Woods Elementary School.

“I just wanted to share how impressed I am with Dr. Kohut this week,” Susi Britain said. “This morning he taught the band online from DC Armory, in his tiredness — which just seems so beyond the expectations of a teacher in these circumstances.”

But during the long and sometimes stressful hours of standing guard, Kohut said his teaching time offered comfort. As the 11 instruments were played by his virtual students, the familiar melody of “Ode to Joy” rang through the Humvee. In that moment, Kohut realized there wasn’t a timelier tune to teach his students__

“It’s a symbol of unity and peace,” he says. “And that’s what the world needs right now.”

1. Where did the students study music from Kohut?

A．In the back of a Humvee.

B．At the drill floor of DC Armory.

C．In online courses.

D．Outside the U.S. Capitol.

2. Which of the following best describes Kohut?

A．Peace⁃loving and mild.

B．Enthusiastic and devoted.

C．Hopeful and positive.

D．Faithful and helpful.

3. What can we infer from the underlined sentence in the last but one paragraph?

A．He should teach the tune to his students earlier.

B．No tune was taught to students before.

C．It’s the time that he should teach the tune face to face.

D．The tune is the most suitable for students at that moment.

4. What can we learn from the passage?

A．Jacob Kohut fights for the country and music.

B．Jacob Kohut wants to change his job.

C．Jacob Kohut has double duty at Canterbury Woods Elementary School.

D．Jacob Kohut is a virtual music teacher.

2 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

“Multiple measures have been taken to stop the illegal use of farmland,” an official of the Ministry of Natural Resources     1    (tell) a news conference on Monday. 

Together with the Ministry of Agriculture and Rural Affairs, the ministry released two notices in July. One banned the illegal use of farmland     2     real estate (房地产) projects and the other sought     3    (ensure) reasonable land use for housing construction in rural areas. 

Since the release of the two notices, several regions     4    (raise)public awareness of the legal use of farmland through short television     5    (program) or online films in local dialects. 

Inspections and law enforcement (执行) have also been strengthened in recent months,with satellite remote sensing being introduced.

“The central government has attached great     6    (important) to farmland protection,” the ministry said. Those involved in the illegal use,sale and transfer of permanent farmland covering more than 0.33 hectares or ordinary farmland covering more than 0.66 hectares will be sued. Farmland in China     7    (classify) as permanent when its use for nonagricultural purposes is banned. Ordinary farmland can be used for other purposes in certain circumstances. 

China established     8     national territorial (领土的) planning system by the end of 2020. It is guided by three “red lines”, one of     9     includes about 103 million hectares of permanent farmland with the aim of boosting safety, improving quality and     10    (prevent) nonagricultural use.

3 . Close to the North Pole, the remote and rocky plateau mountain in the Norwegian archipelago of Svalbard seems an unlikely spot for any global effort to safeguard agriculture. In this cold and deserted environment, there are no grains, no gardens and no trees. But at the end of a 130⁃meter⁃long tunnel is a room filled with humanity’s most precious treasure, the largest and most diverse seed collection — more than a half⁃billion seeds.

A quiet rescue mission is underway. With growing evidence that unchecked climate change will seriously affect food production and threaten the diversity of crops around the world, the Svalbard Global Seed Vault represents a major step towards ensuring the preservation of hundreds of thousands of crop varieties. This is a seed collection, but more importantly, it is a collection of the traits (特点) found within the seeds: the genes that give one variety resistance to a particular pest and another variety tolerance for hot, dry weather.

Few people will ever see or come into contact with the contents of this vault. In sealed (密封的) boxes, behind many locked doors, monitored by electronic security systems, enveloped in below⁃zero temperatures, and surrounded by tons of rocks, hundreds of millions of seeds are protected in their mountain fortress (堡垒). Frozen in such conditions inside the mountain, seeds of most major crops will remain viable for hundreds of years, or longer. Seeds of some are capable of keeping their ability to grow for thousands of years.

Everyone can look back now and say that the Seed Vault has been a good and obvious idea, and that of course the Norwegian government should have approved and funded it. But back in 2004, when the Seed Vault was first proposed, it was viewed as a crazy, impractical, and expensive idea.

We knew that nothing would provide a definite guarantee. But we were tired and frankly scared of the steady, greater losses of crop diversity. The Seed Vault was built by optimists who wanted to do something to preserve options so that humanity and the crops might be better prepared for change.

The Seed Vault is about hope and commitment — about what can be done if countries come together and work cooperatively to accomplish something significant, long⁃lasting, and worthy of who we are and wish to be.

1. According to the passage, what’s the Seed Vault?

A．It’s a tunnel where the collected seeds are displayed.

B．It’s a stone room that contains the seeds of endangered crops.

C．It’s a seed gene bank that stores diverse seeds for future agriculture.

D．It’s a lab where researchers study how to keep the diversity of crops.

2. What does the underlined word “viable” in Paragraph 3 refer to?

A．Mature.	B．Clean.
C．Alive.	D．Valuable.

3. What is the third paragraph mainly about?

A．How the seeds are preserved.

B．Where people keep the seeds.

C．Why the seeds are protected.

D．What people do to study the seeds.

4. We can know from the passage that　　　.

A．the Seed Vault offers a solution to climate change

B．the Seed Vault was built by many countries

C．the Seed Vault is sure to prevent the loss of crop diversity

D．many people considered building the Seed Vault unwise and crazy at first

4 . Researchers at the University of Texas Southwestern Medical Center mapped brain changes after a year of aerobic workouts and uncovered a potentially significant process: Aerobic exercise increases blood flow into two key areas of the brain associated with memory.

The study, published in the Journal of Alzheimer’s Disease, showed this blood flow can help even older people with memory problems improve cognition, a finding that could guide future Alzheimer’s disease research, according to UT Southwestern Medical Center.

In the study, researchers followed 30 participants who were 60 or older and had memory problems. Half experienced a year of aerobic exercise while the other half did stretches. “We’ve shown that even when your memory starts to fade, you can still do something about it by adding aerobic exercise to your lifestyle,” said Binu Thomas, a senior research scientist of UT Southwestern Medical Center who led the study. “The aerobic exercise group showed a 47% improvement in some memory scores after a year; the other group showed slight change. Brain imaging of the aerobic exercise group, taken while at rest at the beginning and end of the study, showed increased blood flows into the specific brain areas that play important roles in memory function.”

Many teams across the world are trying to determine if aerobic exercise might fight memory loss. Evidence is growing that it could at least play a small role in delaying or reducing the risk of Alzheimer’s disease. For example, a 2018 study showed that people with lower fitness levels experience faster retrogression of vital nerve fibers in the brain called white matter related to memory.

“Blood flow in the brain connected with memory improvement is still a part of the puzzle, and we need to continue piecing it together,” Thomas says. “But we’ve seen enough data to know that starting a fitness program can have lifelong benefits for our brains as well as our hearts.”

1. What is the study mainly about?

A．Old people have memory problems.	B．Aerobic exercise improves memory.
C．Aerobic workouts benefit physical health.	D．Alzheimer’s disease can be cured.

2. What happened to participants after one⁃year aerobic exercise?

A．Earlier memories were refreshed.	B．Memory scores showed very small changes.
C．Brain imaging remained the same.	D．More blood flew into memory⁃related areas.

3. What does the underlined word “it” refer to in Paragraph 3?

A．The memory problem.	B．One’s lifestyle.
C．Aerobic exercise.	D．Something useful.

4. What can be inferred from the last paragraph?

A．Further research work requires doing.	B．More people experience memory loss.
C．The mystery of brain blood flow has been solved.	D．Signs of memory loss can be discovered earlier.

5 . 假如你叫李华，暑假将有10位英国学生来你校国际部学习中国书法(calligraphy),现需要一名志愿者。请用英语给国际部老师写一封邮件,内容要点如下:
1.提出申请；
2.介绍个人情况；
3.表达期望。
注意：1.词数80左右；
2.开头和结尾已给出，不计入总词数；
3.可以适当增加细节,以使行文连贯。
参考词汇：traditional Chinese literature中国传统文学；Chinese characters汉字
Dear Sir,
_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Best wishes!

Yours sincerely,

Li Hua

6 . Teacher, Foreign Language (High School)

The Department of Defense Education Activity (DoDEA) offers teaching opportunities in some of the most amazing and culturally rich places in the world. Come and work for the DoDEA schools!

Salary: US$39,775-US$80,930 Per School Year

Open Period: 10/3/2020 to 7/31/2021

Department: Department of Defense

Agency: Department of Defense Education Activity

Position Info: Flexible Schedules, Flexible Appointment Types

Who may apply: US Citizens (prior teaching experience is required)

Food Inspector

The Food Safety and Inspection Service(FSIS) is the public health agency in the US Department of Agriculture responsible for ensuring that the nation’s commercial supply of meat and egg products is safe, wholesome and correctly labelled and packaged.

Salary: US$31,628-US$50,932 Per Year

Open Period: 7/18/2020 to 7/17/2021

Department: Department of Agriculture

Agency: Food Safety and Inspection Service

Position Info: Full⁃time, Permanent

Who may apply: US Citizens (graduates in Food Quality and Safety are preferred)

Supervisory Public Health Veterinarian(兽医)

This is an excellent opportunity to seek a greater leadership role and responsibility in public health. If you are a new employee, mid-career employee, or experienced professional interested in a Public Health Veterinarian (PHV) career, this job is for you!

Salary: US$57,928-US$90,344 Per Year

Open Period: 9/30/2020 to 9/30/2021

Department: Department of Agriculture

Agency: Food Safety and Inspection Service

Position Info: Full⁃time, Permanent

Who may apply: US Citizens and Nationals (no prior federal experience is required)

Veterinary Medical Officer—Veterinarian

The National Animal Health Emergency Response Corps (NAHERC) assists in the federal response to domestic(国内的) and international animal disease outbreaks, threats, or natural disasters.

Salary: US$27.78-US$36.12 Per Hour

Open Period: 5/9/2019 to 5/1/2020

Department: Department of Agriculture

Agency: Animal and Plant Health Inspection Service

Position Info: Full⁃time, Permanent

Who may apply: US Citizens and Nationals (no prior federal experience is required)

1. What should you do if you apply to be a teacher in DoDEA?

A．Have a good command of foreign cultures.

B．Be able to arrange work time flexibly.

C．Work for the Department of Agriculture.

D．Send in your application from July 2020 to July 2021.

2. Who is most likely to obtain the position of Food Inspector?

A．Roger, who expects to get paid US$ 60,000 a year.

B．Mary, who is a US national and wants a part⁃time job.

C．Adam, who intends to resign to look for a new job in August 2021.

D．Lucy, who is an American and majored in Food Quality and Safety.

3. What can we learn from the passage?

A．As a food inspector, you just need to ensure your food is safe.

B．Department of Agriculture recruits professionals passionate about a PHV career.

C．DoDEA welcomes US citizens and nationals without prior teaching experience.

D．NAHERC independently researches domestic animal disease outbreaks, threats, or natural disasters.

7 . If you could change your children’s DNA in the future to protect them against diseases, would you? It could be possible because of technology known as CRISPR/Cas, or just CRISPR.

CRISPR involves a piece of RNA, a chemical messenger, designed to work on one part of DNA; it also uses an enzyme that can take unwanted genes out and put new ones in, according to The Economist. There are other ways of editing DNA, but CRISPR will do it very simply, quickly, and exactly.

The use of CRISPR could mean that cures are developed for everything from Alzheimer’s disease to cancer to AIDS. By allowing doctors to put just the right cancer⁃killing genes into a patient’s immune system, the technology could help greatly.

In April scientists in China said they had tried using CRISPR to edit the genomes (基因组) of human embryos. Though the embryos would never turn into humans, this was the first time anyone had ever tried to edit DNA from human beings. With this in mind, the US National Academy of Sciences plans to discuss questions about CRISPR’s ethics (伦理标准). For example, CRISPR doesn’t work properly yet. As well as cutting the DNA it is looking for, it often cuts other DNA, too. In addition, we currently seem to have too little understanding of what DNA gives people what qualities.

There are also moral questions. Of course, medicine already stops natural things from happening—for example, it saves people from infections. The opportunities to treat diseases make it hard to say we shouldn’t keep going.

A harder question is whether it is ever right to edit human cells and make changes that are passed on to children. This is banned in 40 countries and restricted in many others. However, CRISPR means that if genes can be edited out, they can also be edited back in. It may be up to us as a society to decide when and where editing the genome is wrong.

Also, according to The Economist, gene editing may mean that parents make choices that are not obviously in the best interests of their children: “Deaf parents may prefer their children to be deaf too; parents might want to make their children more intelligent at all costs.”

In the end, more research is still needed to see what we can and can’t do with CRISPR. “It’s still a huge mystery how we work,” Craig Mello, a UMass Chan Medical School biologist and Nobel Prize winner, told The Boston Globe. “We’re just trying to figure out this amazingly complicated thing we call life.”

1. According to the passage, what can we know about the technology of CRISPR?

A．It is very safe because it only cuts the DNA it is looking for.

B．It is banned in most countries and restricted in many others.

C．It could cause parents to make unwise choices for their children.

D．It could help us discover the link between DNA and the qualities it gives people.

2. What can be inferred from the passage?

A．All diseases could probably be cured through the use of CRISPR.

B．Scientists had never edited genomes before CRISPR was invented.

C．CRISPR is a technology that uses an enzyme to work on RNA and DNA.

D．CRISPR has proven to be the most effective way to protect children against diseases.

3. What is the author’s attitude towards CRISPR?

A．Supportive.

B．Worried.

C．Negative.

D．Objective.

4. What is the passage mainly about?

A．What we can and can’t do with CRISPR.

B．How CRISPR was developed by scientists.

C．The advantages of CRISPR and arguments about its ethics.

D．Scientists’ experiments of using CRISPR to edit human embryos.

8 . 假设你是红星中学高二学生李华，你的英国朋友Jim在写给你的邮件中提到他对中国历史很感兴趣，并请你介绍一位你喜欢的中国历史人物。请你给Jim回复邮件，内容包括：
1.该人物是谁；
2.该人物的主要贡献；
3.该人物对你的影响。
注意：1.词数不少于80；
2.开头和结尾已给出，不计入总词数。
Dear Jim,
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Li Hua

9 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

When people sit together and enjoy the glorious moon    1     the night of the Mid⁃Autumn Festival, an ancient poem, Prelude to Water Melody (《水调歌头》),     2     (read) for this occasion now and then. In     3     poem, Su Shi, a celebrated poet of the Song Dynasty(960-1279),talks to the moon and discusses the changes     4     (happen) in nature and man’s fortunes. He realizes the moon may not always be bright and that the imperfections, or the unsatisfactory things in life     5    (go) on since the beginning of time.  

However, should we get bogged (妨碍) down in the suffering which we can’t change? Su Shi gives his answer, a very     6     (optimism)one: change your attitude and stay positive. He hopes that people will appreciate the fact that     7     they are, as long as the ones they love and miss are healthy and happy, they can all admire the same moon high in the sky and share     8     (it) beauty.  

To this day, people still use this poem     9     (express) their good wishes to family members and friends who can’t be with them,     10     (especial) during major festivals.

10 . I met Daisy Banks on the way to Maghar. She was walking down the road with her white stick, and I saw her walking toward a muddy _______. If she continued, she might _______ into the water. Not wanting this to happen, I stopped my _______ and called out, “There’s a hole in front of you, Daisy. If it’s all right with you, I’ll _______ you to your place.”  

She happily _______. I took her bag so that she could climb on my motorbike. We talked about her_______and I discovered she was on the way to her school.  

Daisy had called me a couple of times since our chance _______. However, I had been unable to meet her _______ my busy schedules. Finally, we _______ at the Mahdu Mall. We talked about a range of issues, and I came to________ that Daisy possessed knowledge which would challenge that of many ________ fit people.  

Although she has a mother and three brothers, Daisy has been ________ on her own for the past years. She cooks for herself and washes her own clothes while ________ to teach every morning at Maghar Primary School. While doing her ________,she tries to remember people, places, and things in order to manage her daily life. She is a(n) ________ person, telling me that she made the decision to live alone after her brothers said they would take turns to look after her each month. Daisy felt this would hurt her. I really admire her confidence and the way she carries herself in her life.

1.

A．pavement

B．passage

C．hole

D．freeway

2.

A．climb

B．land

C．fly

D．fall

3.

A．car

B．truck

C．motorbike

D．bus

4.

A．pass

B．drop

C．take

D．fetch

5.

A．allowed

B．expected

C．replied

D．accepted

6.

A．study

B．job

C．celebration

D．travel

7.

A．appointment

B．meeting

C．expectation

D．argument

8.

A．due to

B．in addition to

C．instead of

D．in spite of

9.

A．resisted

B．rescued

C．reunited

D．removed

10.

A．discover

B．encourage

C．persuade

D．suppose

11.

A．mentally

B．appropriately

C．physically

D．naturally

12.

A．living

B．lying

C．waiting

D．staying

13.

A．managing

B．recognizing

C．allowing

D．reducing

14.

A．practice

B．housework

C．effort

D．homework

15.

A．stubborn

B．reliable

C．confident

D．intelligent