Unit 5 The power of nature language points课时作业

Ⅰ.单句语法填空

　　1．Two middle­aged passengers fell into the sea.Unfortunately (unfortunate)，neither of them could swim.

　　2．They are believed to have discussed (discuss) this problem already.

　　3．A police officer came to our help when our car broke down on the way.

　　4．The city lay in ruins (ruin) after the earthquake.

　　5．Paper cuts used for decoration (decorate) are often seen on windows and gates.

　　6．It remains to be seen (see) whether you are right.

　　7．She poured out her worries to her friend.

　　8．This explosion (explode) was caused by a burst gas pipe.

　　9．Founded (found) in 1980，the factory now has become a world­famous company.

　　10．The strong wind blew away the good soil，leaving (leave) only sand.

Ⅱ.单句改错

　　1．Loulan，an ancient city in China，is generally believed have been gradually covered over by sandstorms.have前加to

　　2．He used the remained money to buy a book.remained→remaining

　　3．As soon as he graduated from college，he took over from his father's business.去掉第二个from

　　4．It was his carelessness that resulted from this terrible accident.from→in

　　5．The cooling wind swept through our bedroom windows，make air conditioning unnecessary.make→making

III.阅读理解

Has the present lived up to the expectations of the past？Throughout the ages people have tried to predict what life in the 21 century would be like.Many science fiction writers did manage to predict the influence the computer would have on our world.Some even imagine that it would take over our lives.One constant prediction was that，thanks to computers and machines，the time devoted to labour would disappear.In 1971，in his book Future Shock，Alvin Toffler noted that time at work had been cut in