题目内容

【题目】通读下面的对话,根据上下文补全对话内容。

A: Laura, how are you today?

B: Not very well. I've had a bad day.

A: 1 ?

B: I got up late this morning.2. So I had to wait for another bus.

A:3! Were you late?

B: Yes. I was 30 minutes late. And what was worse, when I got to school, I found no one in the classroom!

A:4?

B: They went to the park to plant trees. Our teacher told us about it, but I forgot.

A:5?

B: Yes. But when I found them, they were going back to school!

【答案】

1What’s up?/What happened?

2I missed the early bus.

3Oh,bad luck!

4Where did they go?

5Did you find them at last?

【解析】

这是一组谈论劳拉糟糕的一天的对话。

1根据I've had a bad day.我过了糟糕的一天,可知问“发生什么事了?”故填:What’s up?/What happened?

2根据I got up late this morning.今天早晨我起晚了,和So I had to wait for another bus.因此我不得不等下一班车,可知是说“我错过了早班车”;故填:I missed the early bus.

3根据So I had to wait for another bus. 因此我不得不等下一班车,可知是说“太倒霉了”;故填:Oh,bad luck!

4根据when I got to school, I found no one in the classroom!当我到达学校时,我发现教室了没有一个人;和They went to the park to plant trees.他们去公园植树了;可知问“他们去哪里了?”;故填:Where did they go?

5根据Yes. But when I found them, they were going back to school!是的,当我找到他们的时候,他们在回学校;可知问“最后你找到他们了吗?”;故填:Did you find them at last?

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【题目】 As the novel corona-virus (新型冠状病毒) spreads throughout China and the rest of the world, an important question has yet to be answered: where did the virus come from?

The latest study showed that pangolins (穿山甲) may be an intermediate (中间的) host of virus, according to Xinhua. However, bats are suspected to be the original cause.

"We don't know the source yet, but there's pretty strong evidence that this is a bat origin corona-virus," said Peter Dazsak, president of Eco-Health Alliance, an environmental nonprofit (非营利机构), according to The New York Times. "When you look at the genetic sequence (基因序列) of the virus, and you match it up with every known corona-virus, the closest ones are from bats," Dazsak also told CNN.

So why are bats the source of so many deadly kinds of viruses and why don't they suffer from any symptoms (症状)? Bats are mammals (哺乳动物) that have a long lifespan (寿命) and live with millions of other bats in caves, where they can potentially spread the virus far and wide. As the only lying mammal, their body temperature is high, similar to a fever It's this fact that may contribute to bats' unique immune system (免疫系统) in protecting from the ill effects of viruses.

But are bats truly to blame for the virus or should we be blaming ourselves? It's the fault (错误) of humans for decreasing (减少) the distance between us and virus-carrying bats. Bats are an important animal in our ecosystem (生态系统) when it comes to pollinating (授粉) many fruits such as mangoes, bananas and avocados. We need to allow them to continue pollination and keep them away from our markets and mouths.

1What can we learn about the origin of COVID-19?

A.Bats have been discovered to be its original cause.

B.Pangolins are now considered the most likely source.

C.It's confirmed by comparing sources of several different viruses.

D.The virus was found to be genetically similar to those see in bats.

2Why don't bats suffer from the corona-virus?

A.Their low body temperature protects them.

B.Bats have a unique immune system.

C.Bats are the only flying mammal to live in groups.

D.Living in caves helps bats fight against viruses.

3What is the main point the author makes in the last paragraph?

A.Virus-carrying bats should be killed.

B.Humans should stay away from bats.

C.Bats benefit but also harm our ecosystem.

D.Bats could spread Viruses during pollination.

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