阅读理解AlthoughAprildidnotbringustherai

阅读理解 Although April did not bring us the rains we all hoped for, and although the Central Valley doesn’t generally experience the sound and lightning that can go with those rains, it’s still important for parents to be able to answer the youthful questions about thunder and lightning.The reason these two wonders of nature are so difficult for many adults to explain to children is that they are not very well understood by adults themselves. For example, did you know that the lightning we see flashing down to the earth from a cloud is actually flashing up to a cloud from the earth? Our eyes trick us into thinking we see a downward motion when it’s actually the other way around. But then, if we believed only what we think and we see, we’d still insist that the sun rises in the morning and sets at night.Most lightning flashes take place inside a cloud, and only a relative few can be seen jumping between two clouds or between earth and a cloud. But, with about 2,000 thunderstorms taking place above the earth every minute of the day and night, there’s enough activity to produce about 100 lightning strikes on earth every second.Parents can use thunder and lightning to help their children learn more about the world around them. When children understand that the light of the lightning flashing reaches their eyes almost at the same moment, but the sound of the thunder takes about 5 seconds to travel just one mile, they can begin to time the interval (间隔) between the flash and the crash to learn how lose they were to the actual spark (闪光).1.According to the author, in the area of the Central Valley____.A.rains usually come without thunder and lightning.B.it is usually dry in AprilC.children pay no attention to the two natural wonders.D.parents are not interested in thunder and lightning.2.We believe that lightning is a downward motion because_______.A.we were taught so by our parents from our childhood.B.we are taken in by our sense of vision.C.it is a common natural sight.D.it is a truth proved by science.3.What is TRUE about lightning according to the passage?A.Only a small number of lightning flashes occur on earth.B.Lightning flashes usually jump from one cloud to another.C.Lightning travels 5 times faster than thunder.D.There are far more lightning strikes occurring on earth than we can imagine.4.The underlined word “activity” is most closely related to the word (s) _____.A.cloudB.lightning strikesC.lightning flashesD.thunderstorms5.It can be concluded from the passage that _______.A.we should not believe what we see or hear.B.things moving downward are more noticeable.C.people sometimes may have wrong ideas about ordinary phenomena.D.adults are not as good as children in observing certain natural phenomena.

ABDDC解析1.推理判断题。 第二段中说：尽管the Central Valley一般不会经历下雨时伴随雷电(的情况），但是……由此可知在Central Valley下雨时通常没有雷电。2.细节理解题。结合第二段Our eyes trick us into thinking we see a downward motion when it’s actually the other way around可知

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