题目内容

A 14-year-old Chinese boy Sun Yixiao was 1. his way home last Tuesday evening after school. When he was in the lift, it suddenly stopped. Feeling scared at first, the teenager decided to help 2. out. Sun tried to open the lift door, but he gave up the idea later and leaned against the wall, because he thought the 3. may fall down suddenly. He then pressed all the buttons in the hope of getting the lift work again, 4. it didn't work. Sun then pressed the "stop" button to lock the lift to 5. sure it would not fall. Without a cellphone at hand, Sun tried shouting 6. to get the attention of people outside, but no one answered as time went by. The young boy didn't give up 7. . He sent a note through the door with the message and hoped someone would 8. it up and help him out. After doing all these, the boy knew it might take a 9. time before someone found him. So he decided to do his homework. Soon after he finished his homework, he was saved at last.

On Weibo, many netizens (网民) spoke highly of the boy, because he could keep calm in the face of such 10. dangerous situation. We should learn from him.

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There ______ many apples on the tree.

A.are B.is C.am D.be

The novel coronavirus pneumonia (NCP) has already made tens of thousands of people sick. Where did the virus come from? Scientists say it probably came from bats.

Bats can carry and transmit more than 60 viruses that can infect humans， Live Science noted. They include the world’ s deadliest viruses，such as Ebola and HIV. Due to their strong immune systems (免疫系统)，bats are able to host these viruses and not get sick. At the same time，the viruses keep developing inside the bats to create new variants (变体). These variants can then infect new hosts，such as other wild animals.

Pangolins (穿山甲)，for example，might be an intermediate host (中间宿主) for NCP，according to a recent study by Chinese scientists. This means that bats might have given the virus to pangolins，with pangolins then spreading it to humans.

Wild animals like snakes，hedgehogs (刺猬) and bamboo rats also carry various viruses. But since they live in the wild，there should be few chances for humans to come into contact with them and get infected—unless the animals are eaten or used to make animal products. When people hunt， buy and eat wild animals， they can introduce viruses to the rest of the population.

But this doesn’t mean that we should kill wild animals. Each species has a role in the eco-system (生态系统) and all of them are important in keeping a natural ecological balance. The lesson we can learn from disease outbreaks is to respect and protect animals and to live in harmony with them instead of hunting，killing，or eating them.

1.Why can bats host many viruses without getting sick?

A.Because these viruses are not deadly.

B.Because the viruses are kept in balance.

C.Because they have strong immune systems.

D.Because they can spread the viruses to other animals.

2.The underlined word“harmony”in the last paragraph probably means .

A.danger B.peace C.pain D.surprise

3.According to the story，what lesson should humans learn?

A.Research more about wild animals. B.Exercise regularly to stay healthy.

C.Stop keeping animals as pets. D.Don’t buy or eat wild animals.

—Look! There are so beautiful flowers on________ side of the street.

—How beautiful they are!

A.both B.either C.neither D.all

—It’s very kind of you to help me. Thank you very much.

—________.

A.That's right B.My pleasure C.With pleasure D.Don’t thank me

— Could you please take out the rubbish?

— ________. But I want to drink a cup of water first.

A.What's a pity B.Sure, no problem. C.It's my pleasure D.No, I can't

— What should I do, doctor?

— ________ healthy, you should do more exercise.

A.Keep B.Keeping C.To keep D.Having kept

—Could you tell me ______________ for class this morning?

—I am sorry, Mrs. Lin. I got up so late that i couldn’t catch the first bus.

A.why were you late B.why you are late

C.why are you late D.why you were late

In order to speak English better, we ______ be afraid of losing face. Because the most important thing is to practice.

A.should B.shouldn't C.mustn't

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