What is Belcher's team doing at present?

A．It is finding ways to get rid of viruses.

B．It is mass-producing microbatteries.

C．It is making batteries with viruses.

D．It is analyzing virus genes.

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参考答案

答案解析

细节题。题干：Belcher团队目前在做的是什么?短文的第二段明确提供了答案：They are putting viruses to work，teaching them to build some of the world’s smallest rechargeable batteries．即他们在尝试利用病毒，制作世界上最小的可充电电池。故本题答案为C。

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1 What expression below is opposite in meaning to the word "shrink" appearing in paragraph 5 ?

A．Broaden.

B．Spread.

C．Extend.

D．Expand.

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2 Which of the following is true of Belcher's battery mentioned in paragraph 6 ?

A．It is made of metal.

B．It is a kind of watch battery.

C．It can only be seen with a microscope.

D．It is a metallic disk with viruses inside it.

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3 How tiny is one battery part?

A．Its width is one tenth of a hair.

B．It equals the width of a hair.

C．It is as thin as a piece of paper.

D．Its width is too tiny to measure.

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