【題目】The computer plays an important part in our everyday life. It is one of the great in the world in the 20th century. It works for us not only at home, in the offices, in big shops, but at schools. Today it is used in many ways. It really brings the world large wealth(財(cái)富）and .

The first computer in the world was Enid. It was built in America in 1946. It was and heavy. Since it was born, it has been developing very fast. Until now it has four periods and changed a lot. There're many kinds of computers. Computers are getting smaller and smaller and computing faster and faster. It becomes more and more .

The computer can do most of the things for people. It can help us to know about the real more quickly, to learn what we want to learn and to think for ourselves. As a student in the twenty-first century, you must work hard at it.

【1】 A. inventions B. discoveries C. robots D. foundations

【2】 A. sadness B. worries C. feelings D. happiness

【3】 A. founded B. contacted C. called D. invested

【4】 A. loose B. large C. tiny D. light

【5】 A. gone out B. gone through C. gone on D. gone away

【6】 A. serious B. harmful C. dangerous D. useful

【7】 A. world B. space C. universe D. knowledge

【答案】【1】 A

【2】 D

【3】 C

【4】 B

【5】 B

【6】 D

【7】 A

【解析】【1】 計(jì)算機(jī)是一項(xiàng)發(fā)明(invention)。

【2】 縱觀全文可知，本文講述的是計(jì)算機(jī)帶給人類的便利，因此此處用happiness(快樂)符合文意。

【3】 Enid是第一臺(tái)計(jì)算機(jī)的名字，用called符合文意。

【4】 從下文的“smaller and smaller”可判斷，最初的計(jì)算機(jī)體型龐大而又笨重。

【5】 此處指計(jì)算機(jī)自誕生以來“經(jīng)歷”了四個(gè)時(shí)期，用go through。

【6】 隨著計(jì)算機(jī)的發(fā)展，它變得越來越小，運(yùn)行速度越來越快，也越來越有用. 故選D項(xiàng)。

【7】 計(jì)算機(jī)讓我們能夠更快地認(rèn)識(shí)這個(gè)“世界”，world涵蓋了所有的一切，因此最符合文意。

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