20．A 1.6 meter tall robot may soon become the best friend for lonely elderly people，as Chinese scientists are making the final sprint（沖刺）toward its market launch（投放），said a senior researcher on the robot project on Saturday．
"We are working on testing the exact functions and ways to reduce the cost in preparations for an expected market launch of the robot in two to three years，"said Li Ruifeng，a member of the project．
He said the team hoped to reduce the cost so that the robot can be priced at 30，000to 50，000yuan，which is expected to be an affordable price for most of China's betteroff families．
The robot has been developed with the functions of fetching food，medicine，sounding alarms in case of water or gas leakage，sending texts or video images via wireless communications，and even singing a song or playing chess to entertain its masters．
Li said that the robot，developed independently in China，has technology at the same level as those in western labs．
China set about the research of the robot in 2007，when it was listed as a national key project．It is backed by government funding（撥款）．China has the world's largest elderly population with 159million people over 60，accounting for 12percent of its total population．According to a survey by the Ministry of Civil Affairs，more than 10million caregivers and nurses are needed to attend the elderly population，as most of Chinese elderly prefer to live their retired lives at home．

25．The passage mainly talked aboutC．
A．the problems of Chinese elderly population
B．the advantages of the Robot caregivers
C．robot caregivers for the elderly to the market
D．the government's attention to the elderly
26．The underlined word"backed"in the last paragraph meansA．
A．supported
B．suggested
C．controlled
D．stopped
27．From the last paragraph we know thatB．
A．our government pays no attention to the elderly people
B．China has the world's largest elderly population
C．Chinese elderly people prefer to be looked after by robot caregivers
D．robots are the best friends for the lonely elderly people
28．Which of the following is true according to the passage？A．
A．Robot caregivers will appear in the market in 2or 3years．
B．Robot caregivers can help elderly people to everything．
C．The robot needs some technology from western labs．
D．The robot is expected to be bought by every people．

分析 本文主要介紹了一種新型的陪伴孤獨老人的機器人準(zhǔn)備投放市場．

解答 25．C．主旨?xì)w納題．本文主要介紹了一種新型的陪伴孤獨老人的機器人準(zhǔn)備投放市場，故選C．
26．A．詞義猜測題．由前一句when it was listed as a national key project，可知它被列為國家重點，因此此處應(yīng)該是受到了資金支持，故選A．
27．B．細(xì)節(jié)理解題．由最后一段China has the world's largest elderly population with 159million people over 60，可知中國60歲以上老年人口是世界上最多的，故選B．
28．A．細(xì)節(jié)理解題．由第二段We are working on testing the exact functions and ways to reduce the cost in preparations for an expected market launch of the robot in two to three years，可知科研人員正在測試功能和降低成本的方法，籌備在兩到三年內(nèi)推出機器人，B選項說能做一切事太過絕對，C選項倒數(shù)第二段has technology at the same level as those in western labs說中國和西方實驗室水平相當(dāng)，并沒有說需要西方實驗室的技術(shù)，D選項由文章內(nèi)容可知這是為老年人設(shè)計的機器人，不是所有人，B，C，D錯誤，故選A．

點評 本篇文章主旨句即在第一段．因此考生要重視文章的標(biāo)題和文章的首句，因為文章的標(biāo)題或首句往往就是文章的主題，有利于考生理解全文內(nèi)容．

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