4 . Ways to Improve Participation (参与) in Your Virtual Classroom (虚拟课堂)

During remote learning this spring, students in Shai Klima’s high school class led their own discussions over Google Meet.     1     After that students shared their responses at the start of the meeting as a jumping-off point for a broader class discussion.

While students conversed（谈话） on video, Klima listened and drew lines on a sheet of paper tracking the flow of the conversation, resulting in a spider web. At the end of the discussion, Klima shared the drawing over video.     2     And they learned about who talked, who listened and who built on the ideas of others.

“It has been successful as a means to get kids to credit their peers with helping them come up with new ideas, which helps build a friendly relationship,” said kilma.

    3     After giving lessons last spring, Paul France had his third--grade students use the Google Chat feature to ask and answer questions or type in emojis, like a thumbs-up or thumbs-down, to show whether they understood a concept. To create structure around the responses, he guided his students in creating norms around using the chat feature.     4     France said the practice helped him check for student understanding and pushed students to engage more with the content.

Kindergarten teacher Ruth Calkins, meanwhile, used Zoom chat when holding live lessons with her kindergarten students. She said they enjoyed typing “T” or “F” for true and false questions while answering math problems in the chat box.     5     Typing responses also provided a lot of keyboard practice for her young students.

A．This strategy is terribly useful and significant.

B．Then he asked students to reflect on the experience.

C．Using chat to check for understanding is one useful strategy.

D．Before the live class, students answered questions independently.

E．Some even attempted to write sentences in response to the questions.

F．They decided as a group to use only one emoji at a time, for example.

G．They didn’t like to pay more attention to these questions.

5 . Park guards who watch North America’s highest mountain say inexperienced and overconfident climbers are taking more risks and endangering themselves and other climbers. The guards suggest many climbers are trying to move up the mountain too fast after having a year of.

Denali in southern Alaska is 6,190 meters above sea level. So, climbing it requires a high level of skill. Climbers also need to acclimate to high altitudes (海拔), which is not needed for most mountains in the US.

The National Park Service recently made a statement warning that many climbers in the Alaska Range are showing signs of inexperience and overconfidence. After reporting no deaths in 2018 and 2019, at least two people have already died on the mountain in 2021. Two others were seriously injured, officials said.

Earlier this month, a skier from the state of Colorado died after falling into a very deep cut in the ice. A climber from the state of Idaho was killed by a large falling piece of ice.

The guards made their statement after a Canadian climber was seriously injured after falling nearly 305meters. He was not wearing climbing ropes. Other climbers reported the fall. People in a helicopter (直升机) studying mountain ice in the area were able to save the man,park officials said.

The Park Service statement named several reasons for the increase in injuries and deaths. They include extreme tiredness, untested body reactions to high altitudes, quickly changing weather, and not bringing the right equipment.

In recent years,guards said they have seen more climbers try to make Denali’s top by climbing the 2,134 meters from the final base camp to the top in one day. This is nearly impossible to do except for the most experienced climbers.

Experts suggest that climbers take 17 to 2l days to reach the top of Denali. That includes rest days and extra days to wait out bad weather.

1. What does the underlined phrase “acclimate to” in paragraph 2 probably mean?

A．Get used to.	B．Get tired of.
C．Take control of.	D．Look forward to.

2. What is special about climbers in 2021 compared with those in 2018 and 2019?

A．They are not so confident.	B．They face higher altitudes.
C．Most of them are beginners.	D．Deaths have come up among them.

3. What mistake did the Canadian climber make?

A．He didn’t train himself to climb.	B．He didn’t make sure of his safety.
C．He didn’t stay with other climbers.	D．He knew little about the mountain ice.

4. What is paragraph 6 mainly about?

A．Dangers of having little climbing experience.

B．Results of climbing mountains in a hurry.

C．Causes of the climbing accidents.

D．Rules of safe mountain climbing.

6 . I am a freshman at Orange High School. In 2013, I founded an organization called Love For The Elderly. So many elderly people have no one to care for them, and no one to love them. When I say this, I am talking about pure love, unconditional love that shows kindness no matter what the situations may be.

The elderly have smoothed the pathway of success for our generation. They should be shown appreciation (感激) and kindness, but are often forgotten. I am sure all of you have someone in your hearts who has been at a nursing home. Think of them while I say this; they should get the best, nothing but the best. The elderly are such an unusual group of people, and their shining wisdom can most certainly be learned from. This idea of showing appreciation to the elderly reverberated (回响) inside my head, until finally, I decided it was time to step up and make a difference.

My love for and ability in writing led me to create an organization, where people from all across the world send nameless letters filled with kindness and joy, from Iceland, Romania, Finland, Australia, and more. I then send these letters to senior centers, and nursing homes located all across the country. To this date, I have collected over 1,000 letters, and the reaction I have received from these organizations has been truly unbelievable.

This past month, I had the opportunity to receive $100 from KindSpring through their monthly kindness competition to help my organization. This money has been of great help. We do not receive much money, and so it helped to pay for many costs, including postage and envelopes. This act of kindness has been very helpful to my organization, and I could not be more appreciative. If any of you would like to get involved in my organization, please visit lovefortheelderly. org.

1. Why did the author set up his organization?

A．To help the elderly with their daily life.	B．To organize activities for the elderly.
C．To offer true love to the elderly.	D．To raise money for the elderly.

2. Which of the following agrees with the author’s opinion about the elderly?

A．They are being treated well.	B．They should end up in senior centers.
C．They are wiser than the young.	D．They don’t get enough attention.

3. What helped the author create his organization?

A．The letters received worldwide.	B．His writing ability.
C．His family’s encouragement.	D．The support from senior centers.

4. What can be learned from the last paragraph?

A．The author doesn’t have much money.

B．The elderly were very thankful to the author.

C．The author turned to KindSpring for help.

D．The organization can’t be larger.

7 . Nine out of ten U.S. high school students aren’t getting enough exercise, according to a recent study. Colorado State University (CSU) professor Kaigang Li researched the fitness and exercise habits of kids in their late teens. Rather than depending on surveys to get data (数据), Li asked the students in the study to wear accelerometers-devices (设备) that measure the amount (量) of physical activity — so that he could know how much daily exercise the teens were getting. According to the Centers for Disease Control’s (CDC) recommended (推荐) daily amount of exercise for kids to stay healthy, Li found that 91 percent of the 15-to-18-year-olds did not meet the requirements.

Earlier studies have shown that the amount of daily physical activity is likely to go down from childhood to late teenage years. For example, only 0.04 percent of 9 year-olds exercise less than an hour daily, but the number increases to 70 percent for 15-year-olds. And over the age of 15 kids become even less active.

Li found that, after high school, physical activity levels got even lower. Those who did attend college were slightly more active than those who didn’t, and of the college students, those living outside schools exercised less than on-campus students.

Kids who don’t get enough exercise often face serious health problems later in life. Li had a different set of recommendations for college students and those who don’t attend college.

“Colleges should ask students to do more physical activities -not just to build more centers, but to encourage students with more programs,” said Li.

For those who don’t attend college, Li believes that “government and communities” should know their needs and do more.

Part of the reason kids are not getting enough exercise may be because of the fact that only 29 percent of U.S. high schools have daily gym classes.

1. What do we know about Li’s research?

A．It was developed from surveys.

B．It asked students to exercise every day.

C．It got data with the help of accelerometers.

D．It didn’t agree with CDC’s recommendations.

2. What do Li’s research findings and those of earlier studies have in common?

A．Kids exercise less and less as they get older.

B．Kids around 15 are the most active in exercising.

C．Kids without enough exercise face more health problems.

D．Kids who attend college practice more than those who don’t.

3. What measure should colleges take?

A．Working with the local government and communities.

B．Giving students more chances for physical activity.

C．Preventing students from living outside schools.

D．Increasing the number of gyms in the colleges.

4. What’s the main idea of this text?

A．Pushing college students to get exercise is not easy.

B．CDC suggests that teens should exercise every day.

C．Teens who exercise daily often live a healthy life.

D．90% of U S. teens aren’t getting enough exercise.

10 . In 1840, Chicago was a small town of forty-five hundred souls. It ranked 92nd in population in the United States. Yet, only three decades later, by 1870 — just a year before the great fire — Chicago was closing in on a population of 300,000, making it the fifth-biggest city in America and the fastest-growing city in the world.

What led to all this rapid growth? In three words: location, location, location.

“Chicago was near the center of the country, and near where the waterways and railways met,” city historian Tim Samuelson notes. “It was a perfect place for anything and anyone to get anywhere...”

Timing had a lot to do with it, too. America was moving from a rural to an industrial power. Chicago was right in the middle of the action. Ironically, its rapid growth was almost its undoing. “Chicago had to build, and build quickly, and so they built it out of wood,” explained Sarah Marcus of the Chicago History Museum. “It was quick, it was easy, and it was cheap.”

And, as it turned out, very “easy” to catch fire.

By most accounts, the fire started on the city’s West Side, near the De Koven Street barn of Patrick and Catherine O’Leary. No one is sure of the cause, but it could have been anything, from vandals (故意) to a drunken neighbor to that clumsy cow of urban legend.

Within minutes, the fire got out of control, tearing through Chicago’s business district. The fire was so hot, it created its own tornado of flame. By 3:30 a.m., all hope of saving large parts of the city was gone. Nearly 30 hours later, the fire finally died. The reason? There was nothing left to burn.

The losses were shocking: The fire took away nearly 300 lives, destroyed over 17,000 buildings covering almost 3.5 square miles, and caused damage of over $200 million—about 3.8 billion today. Roughly a third of the city lay in ruins, and one out every three people living in Chicago — nearly 100,000 residents — became homeless overnight.

1. Which paragraph describes the rapid growth of Chicago?

A．paragraph 1.	B．paragraph 2.
C．paragraph 4.	D．paragraph 5.

2. What were the reasons of Chicago’s rapid growth?
① Chicago was built out of wood.
② Chicago had good transportation.
③ Timing was perfect.
④ Wood was cheap.

A．①③

B．②④

C．①④

D．②③

3. While saying the underlined sentence, the author must feel_______.

A．happy

B．sad

C．nervous

D．hopeful

4. Which information about the 1840 Chicago fire is right?

A．The cause of the fire was clear.

B．The fire was put out by firefighters.

C．The fire caused great damage to Chicago.

D．Lage parts of the city was saved.