题目内容

—I’m a little nervous. What should I say and do at the school leavers’ party?

-- __________.Just be yourself.

A. It’s a joke B. Take it easy C. You’re welcome. D. Well done.

 

B

【解析】

试题分析:句意:我有点紧张。在校毕业晚上会我应该说什么做什么?放松,做你自己就可以。It’s a joke是个笑话,Take it easy 放松,You’re welcome.不用谢,Well done.做的好;根据语境可知是安慰,故选B.

考点:考查交际用语

 

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Which part of the world has the most nearsighted students? Just look around you–it’s East Asia. Nine in ten school leavers in major East Asian cities are nearsighted, according to the BBC. Experts say books and video games are not to blame. East Asian students, they say, aren’t getting enough sunlight.

People become nearsighted because their eyeballs grow out of shape and light entering their eyes cannot focus correctly. The body can produce a chemical called dopamine (多巴胺) to stop eyeballs from changing shape. And guess what scientists have just discovered? Sunlight can help our bodies produce more dopamine, reported AFP.

According to the study, primary school students in Singapore spend only 30 minutes outdoors every day; in Australia, by contrast, kids spend about three hours a day outside. As a result, fewer children in Australia are nearsighted–only 10 percent, compared with 90 percent in Singapore.

“Children in East Asia basically go to school... go home and stay inside. They study and they watch television,” Ian Morgan of the Australian National University told AFP.

But being a bookworm or a couch potato does not directly harm the eyes, added Morgan. “As long as they get outside, it doesn’t seem to matter how much study they do,” he explained. “There are some kids who study hard and get outside and play hard and they are generally fine. The ones who are at major risk are the ones who study hard and don’t get outside. As a result of massive (巨大的) educational pressures and the construction (构成) of a child’s day, the amount of time they spend outside in bright light is minimized.”

Experts suggest children should stay outside for two to three hours every day. This can include time spent in the playground and walking to and from school.

1.Which of the word has the similar meaning as the underlined phrase “nine in ten”?

A. many B. few C. some D. most

2.What is the main reason for the large number of nearsighted students in East Asia, according to scientists?

A. Too much reading or gaming. B. Lack(缺少)of sunlight.

C. Genetic reasons. D. Lack of exercise.

3.What can we conclude from Paragraph 2?

A. Dopamine is a chemical that causes eyeballs to grow out of shape.

B. Dopamine can stop light entering the eyes from focusing correctly.

C. Spending time in the sun can make the loss of dopamine in the body.

D. The more dopamine a person has in their body, the better eyesight he or she has.

4.According to Morgan, what kind of people are most likely to suffer from nearsightedness?

A. Those who like watching TV.

B. Those who take exercise regularly.

C. Those who study hard and play hard outdoors.

D. Those who stay indoors studying all day

 

Since January 2013, many cities in China have seen a lot of foggy days. In Beijing, only five days in January were free of smog (雾霾). What’s the difference between fog and smog?

According to scientists, fog is made up of tiny (微小的) drops of water and also ice particles (颗粒) during very cold conditions. Smog is dirty air that looks like a mixture of smoke and fog, caused mainly by smoke from cars and factories in cities.

An official for the Ministry of Environmental Protection told Beijing News that PM2.5 pollution is the main problem with air pollution. PM 2.5 refers to pollution with small particles 2.5 micrometers or less in diameter (直径).

According to the Chinese Academy of Sciences, two main factors that cause PM 2.5 are motor vehicles and the burning of coal.

Poor air has done harm to people’s health. Children and the elderly are more at risk. A report from Beijing Children’s Hospital shows that from January 5 to January 11, 2013, half of the patients in the hospital came for respiratory (呼吸道的) problems.

To respond to the air problem, the Chinese government and many Chinese people have started to take action.

Beijing announced a plan to use clean fuel in government vehicles and plant trees. It asked citizens to set off fewer fireworks for the Spring Festival celebration. They suggested that cars with large emissions (排放) should be banned and factories should be closely watched.

Three students from No. 4 High School in Beijing wrote a report to advise to fight the air pollution. “We hope more people will join us to protect our environment. With all our efforts, the blue skies will certainly return soon,” said Shi Yucong, 15, one of the three students.

1.The underlined phrase “were free of” means ____________.

A. had some B. had manyC. had no D. had more and more

2.According to the second paragraph, we can know ____________.

A. smog is a mixture of fog and smoke

B. smog is formed (形成) during cold hours

C. fog is made up of drops of water with smoke

D. smoke from cars and factories cause fog

3.Paragraphs 3 and 4 are mainly about ____________.

A. what PM 2.5 is and what causes PM 2.5

B. how to prevent PM 2.5 pollution and how PM 2.5 looks

C. what PM 2.5 is and how to protect ourselves against PM 2.5

D. how seriously PM 2.5 affects us and how to deal with PM 2.5

4.What is the best title for the passage?

A. A report about air pollution B. Let’s fight the air pollution

C. Dirty air is bad for usD. The air in Beijing

 

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