更多"Without air resistance, all objects"的相关试题:
[填空题]Objects which fall freely in a vacuum have same rate of speed regardless of differences in size and weight（）.
[单项选择]There would be no air pollution to this city because ______.
A. there was a special plant to treat the polluted air
B. the city was away from the mainland
C. people in the city did not burn oil or coal
D. vehicles there were powered by electricity
[单项选择]An energy tax would curb ordinary air pollution, limit oil imports and cut the budget __________
A. disposition
B. discrepancy
C. defect
D. deficit
[单项选择]This platform would collapse if all of us ______ on it.
A. stand
B. stood
C. would stand
D. had stood
[单项选择]Economic theory would predict that a fall in the price of a commodity would lead to an increase in ______.
A. assumption
B. resumption
C. consumption
D. presumption
[单项选择]________, everything would have been all right.
A. He had been there
B. Been here he had
C. Here he had been
D. Had he been here
[单项选择]（） no gravity, there would be no air around the earth.
A. Were there
B. Was there
C. There were
D. There be
