题目内容
14.Scientists would like to place a huge mirror in space above the earth.It might be sixty miles wide.It would be used to catch the rays (光线) of the sun.It would direct the sun's rays upon the earth as a child might do to make sunlight dance on the wall with a hand mirror.Why do they want to do this?The sun's rays could be helpful in many ways.They could light up cities by night.The warm rays could stop frosts which might come at might and fruit crops.They could melt dangerous icebergs in the ocean.Perhaps they could change cloud movements and bring rain where it is needed.
54.The huge mirror wouldB.
A.stand 60miles in height.
B.be 60miles from side to side.
C.cover 60miles of the earth.
D.be 60miles above the earth.
55.The strong light from the mirror could possiblyC.
A.hurt fruit crops.
B.set fire to cities.
C.bring longer daytime.
D.shine through walls.
56.The underlined word"melt"probably meansD.
A.反射
B.吸收
C.摧毁
D.融化
57.The huge mirror isC.
A.something in a story.
B.already made.
C.just an idea.
D.to be made soon.
分析 文章大意:这是一篇日常生活类阅读,短文叙述了科学家的一种想象,在地球的上方放一面60英里宽的镜子,它可以用来为城市延长照明的时间,它的能量可以融化霜冻,以防霜冻冻坏庄稼.还可以融化冰山,能够改变云的运动以便在需要雨的地方降雨.
解答 54.答案:B.细节理解题.根据第一行第三句It might be sixty miles wide可能有六十英里宽.,可知巨大的镜子从一边到另一边60英里,故选B.
55.答案:C.细节理解题.根据第二段第三句they could light up cities by night.它们可以照亮夜晚的城市.可知,镜子反射的强光可以让白天更长,选C.
56.答案:D.词意猜测题.根据后面dangerous icebergs in the ocean海洋中危险的冰山.可知应该是反射的光可以"融化"冰山,选D.
57.答案:C.细节理解题.根据第一句Scientists would like to place a huge mirror in space above the earth.It might be sixty miles wide.科学家们想在地球上空放置一面巨大的镜子.可能有六十英里宽.可知,这是科学家的想象出来的,只是一个想法,故选C.
点评 阅读题型,要注重句子与句子之间、段落与段落之间逻辑关系以及对篇章的整体理解.根据所给问题选择正确选项完成试题.
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