A body, .........................it is in motion, would never stop itself if there were no friction.
once
举一反三
- A body, ______ it is in motion, would never stop itself if there were no friction. A: where B: by time C: once D: at the moment
- Were it not for friction, we ( ) walk on this earth of ours. A: should not have been able to B: would not be able to C: were not able to D: are not able to
- Were it not for friction (摩擦力), we ______walk on this earth of ours. ( ). A: were not able to B: should not have been able to C: would not be able to D: are not able to
- ____ were all very tired, but none of ____ would stop to take a rest.
- If everything in life _____ right, we _____ fight. A: had been; should never have to B: was; would never have to C: was; should never have had to D: were to; would never have had to
内容
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Without the friction between their feet and the ground, people would never be able to walk. A: in no time B: by all means C: in no way D: on any account
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If you were an animal rights activist, how would you stop the physicians doing anamal research?
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At the last conference, the motion that the chairman of the International Olympic Games ______ was defeated. A: would be dismissed B: be dismissed C: were dismissed D: was dismissed
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5. The body quickly________ itself to changes in temperature.
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_____ it left to me to decide, I would never hesitate to choose the former. A: If B: Were C: Had D: Should