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Electricity is ________ for modern life.


  1. A.
    unnecessary
  2. B.
    unpleasant
  3. C.
    essential
  4. D.
    unknown
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In old times,man considered lightning to be one of the great mysteries(神秘事物)of nature.In fact a single flash of lightning 1.6 kilometers long has enough electricity to light one million lamps.
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The safest place to be in during an electrical(電的)storm is a closed car.Outside,one should go close to low ground for cover and not stop under a tree.Also one should stay out of water and away from metal fences.Inside a house people should keep away from open doorways and windows and not touch wires or metal things.
【小題1】From this passage we know lightning is____.

A.one of the great mysteries of nature.
B.electricity high above the earth.
C.a kind of light.
D.the sound from the clouds.
【小題2】In the U.S____.
A.every person can see lightning every day.
B.at least one person is killed by lightning every day.
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D.about one person per day dies from lightning.
【小題3】During a lightning storm,it would be best if you____.
A.stand under a tree.
B.go outside.
C.stay in a closed car.
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【小題4】A lightning rod can______.
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B.stop lightning
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【小題5】A lightning between a cloud and the earth may be 13 kilometers long,and travels at
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Rivers are one of our most important natural resources(資源). Many of the world’s great cities are located on rivers, and almost every country has at least one river running through it that plays an important part in the lives of its people.
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1.A. water????????????? ????????????? ????????????? B. oil????????????? ????????????? ????????????? C. electricity????????????? ????????????? ????????????? D. food

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3.A. want??????? ? ????????????? B. keep??????? C. refuse????? ????????????? ????????????? D. try

4.A. divide????? ????????????? ??? B. check???? ? ????????????? C. buy?? ????????????? ????????????? ????????????? D. change

5.A. ways??? ????????????? ????????????? B. advice????? ????????????? C. information?? ????????????? ??? D. news

6.A. again??? ????????????? ????????????? B. instead???? ????????????? C. already?? ????????????? ????????????? ??? D. too

7.A. leave??? ????????????? ????????????? B. stop???? ????????????? ??? C. finish?? ????????????? ????????????? ????????????? D. watch

8.A. hoped??????? ????????????? B. began????? ????????????? C. used?? ????????????? ????????????? ????????????? D. needed

9.A. or???????? ????????????? ??? B. but???????? ????????????? C. for????? ????????????? ????????????? ??? D. and

10.A. car???????? ????????????? B. bus???????? ? C. subway?? ?? ????????????? ??? D. train

 

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