单项选择题

A．A storm can hardly change the direction of an ocean current.
B．The loss of sneakers in the storm put the company in the financial difficulty.
C．Not all useful experiments are planned ahead of time.
D．Computers cannot always predict the effects of ocean storms.
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单项选择题
A．They’re expensive.B．They’re much faster than hydrogen balloons.C．They are more frequently used in the United States.D．They’re a lot safer than hot-air balloons.
A．They’re expensive.
B．They’re much faster than hydrogen balloons.
C．They are more frequently used in the United States.
D．They’re a lot safer than hot-air balloons.
单项选择题
A．The students should return to classes.B．There should be more issues to vote on.C．More students should come to the meetings.D．Last night’s meeting was badly managed.
A．The students should return to classes.
B．There should be more issues to vote on.
C．More students should come to the meetings.
D．Last night’s meeting was badly managed.
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