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direction of the handlebars in all impact.
　　标准答案： B,D,D,A,B
　　解析：
　　21、
　　下面有3篇短文，每篇短文后有5道题，每道题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案涂在答题卡相应的位置上。
　　Cousteau Remembered
　　Jacques-Ives Cousteau died in Paris on 26 June，1997 at the age of 87.His influence is great.Scientists respected his creative engineering;engineers praised his Science.Cousteau，who claimed to be neither scientist nor engineer，contributed significantly to both disciplines—and to many more.
　　Throughout his adventure—filled life，Cousteau challenged definitions.Yes，he was a captain in the French Navy，and early on，a filmmaker and natural storyteller.Later，he became a famous ocean explorer，designer of underwater equipment，expedition leader，author，speaker, businessman，environmentalist，teacher and leader of an influential organization (the Cousteau Society).
　　A11 who care about the sea—and even those who don’t think much about the ocean one way or another一owe Cousteau a tremendous debt，The knowledge gained as a consequence of his direct contributions, and the strong others，have transformed the way the world thinks about the sea.His stories of encounters with sharks and other fish inspired many to go see themselves.Cousteau pioneered ventures in underwater living in the 1960’s：sub—sea labs where scientists submerged for days or weeks...——the underwater labs similar to Skylab or the space station.His films and television programmes won two Academy Rewards，three Emnies，and the hearts and minds of viewers worldwide for decades.
　　Showered with honours.Cousteau remarked recently that he thought his most important accomplishment was to make people aware of——and care about——the ocean.Thanks to him.we grew concerned about our growing population and the consequences of overfishing and ocean pollution that threaten the health of the sea，and we were inspired to do something to improve the way things are done.
　　We shared the sad feeling with Cousteau when Simone，his wife and partner for many years， died and when his son Phillippe was killed in a plane crash.We shared his joy when Jean—Michael，his eldest son.became an explorer and a spokesman for the sea in his own right.We were happy for Cousteau when he began a new family with his second wife，Fracine.And now that his voice of the ocean is silenced，we feel very sad.
　　练习：
　　1.According to the passage，Cousteau’s influence is great because he
　　A)was both a scientist and an engineer.
　　B)invented Skylab.
　　C)made contributions to science and engineering.
　　D)was a captain in the French Navy.
　　2.From the second paragraph，we know that
　　A)Cousteau did not like any scientific definitions.
　　B)Cousteau wrote many adventure—filled stories.
　　C)Cousteau’s main job was protecting environment.
　　D)Cousteau’s contributions were not limited to science and engineering.
　　3. of all me careers he followed，his main concern was concentrated on
　　A)building the sub-water labs.
　　B)ocean and ocean pollution.
　　C)making films and television programmes.
　　D)writing encounters with sea animals，such as sharks.
　　4.What debt do we owe Cousteau according to Paragraphs 3 and 47
　　A)His work has made us realise we should improve the way things are done.
　　B)His contributions have pushed science toward a higher stage of development.
　　c)His invention of sub.sea labs has made ocean exploration easier.
　　D)His adventures have made people