As there is less and less coal and oil, scientists are exploring new ways of making use of（）energy, such as sunlight, wind and water for power and fuel.

试卷相关题目

• 1It seems that living green is（）easy and fordable. A small step masks a big difference.

  A.exactly

  B.fortunately

  C.surprisingly

  D.hardly

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• 2Studies show that people are more（）to suffer from back problems if they always sit before computer screens for long hours.

  A.likely

  B.possible

  C.probable

  D.sure

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• 3I'll spend half of my holiday practicing English and（）half learning drawing.

  A.another

  B.the other

  C.other's

  D.other

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• 4The school was moved out of downtown as the number of students had grown too（）.

  A.small

  B.few

  C.large

  D.many

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• 5People have always been.（）about exactly how life on earth began.

  A.curious

  B.excited

  C.anxious

  D.careful

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• 6After the long journey, the three of them went back home,

  A.hungry and tiredly

  B.hungry and tired

  C.hungrily and tiredly

  D.hungrily and tired

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• 7My brother is really（）.He often works in his office far into the night.

  A.Open—minded

  B.hard—working

  C.self—confident

  D.warm—hearted

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• 8At the railway station, the mother waved goodbye to her daughter until the train was. 

  A.out of sight

  B.out of reach

  C.out of order

  D.out of place

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• 9In those days, our（）concern was to provide people who were stopped by the snow storm with food and health care.

  A.normal

  B.constant

  C.permanent

  D.primary

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• 10As he works in a remote area, he visits his parents only（）.

  A.occasionally

  B.anxiously

  C.practically

  D.urgently

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