日本图书馆设“图书消毒机”应对疫情
日本图书馆设“图书消毒机”应对疫情

Libraries in Japan use special machines. The machines sterilize(消毒) books. When you sterilize, you make something clean and safe. 
How does the machine work? People put a book inside. They close the door of the machine. The machine moves the pages. It clears the dust. A special light kills bacteria. It takes 30 seconds. People take the book out. They take it home. They return the book later. They use the machine again.
More than 3 million machines are in Japanese libraries. Some people do not believe that the machines really work. Many people still use them. Many old people go to a library. The COVID-19 is dangerous for them. It is important to keep old people safe.

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1.The library machines make books _______.

A beautiful and clean

B clean and safe

C cheap and safe

D expensive and safe

解析：选B。细节理解题。根据文章第一段The machines sterilize(消毒) books. When you sterilize, you make something clean and safe. 可知，机器给书消毒，使图书干净又安全，故选B。

2.Which is right about the machine?

A People moves the pages with it.

B The machine helps put books in it.

C The machine can close the door.

D The machine moves the pages itself.

解析：选D。细节理解题。根据文章第二段The machine moves the pages. 可知，机器自己翻书，故选D。

3.The machine will work _______.

A when you return books

B when you take books out

C when the library is closed

D when you go into the library

解析：选A。细节理解题。根据文章第二段They return the book later. They use the machine again.可知，人们稍后还书，他们又使用这台机器，故选A。

4.According to the passage, the machine can better help _______ keep safe.

A children

B old people

C the young

D library workers

解析：选B。推理判断题。根据文章最后一段Many old people go to a library. The COVID-19 is dangerous for them. It is important to keep old people safe.可知，许多老人去图书馆。COVID-19对他们来说很危险。保护老年人的安全很重要，故选B。