任务型阅读

　　More robots are needed to solve “the elderly problem” in Japan．

　　In Tokyo City, Japan’s largest city, a robot that looks like a washing machine on wheels is vacuuming(用吸尘器清扫)the hallways of a tall building．Japanese researchers hope that robots like this one will be the answer to the serious problem－by 2055, ①日本大约40％的人口将超过65岁。

　　Today, some robots of this kind are already cleaning floors in about 10 buildings around the country．The robots work at night after office workers have gone home．They even take the lift to 　　③　　 from one floor to 　　③　　．However, such robots are still rare in Japan．Japanese scientists are trying to invent smart enough robots to meet the needs of the elderly in the country．As Japan’s population grows older and its labour force(劳动力)shrinks, scientists say new types of robots will play an important part in society because there won’t be enough people to do some jobs．“We have to make full use of the time．We have to build smart robots．You know, ②in the future, there will be little choice but to get some help from robots,” said a scientist．

1．将①译成英文。

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2．将②译成中文。

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3．将③填上适当的词。

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4．找出“Olderly people are getting more and more and people who can work are getting fewer and fewer in Japan．”的同义句。

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5．What’s the main idea of the whole passage?

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