单项选择题

Since you take a rest every twenty minutes, how can you expect to make others work for three hours without any stop（）

A．虽然你可以每二十分钟才休息一次，但怎么才能使别人持续工作三小时不休息呢
B．由于你二十分钟休息一次，所以不要希望别人持续工作三小时不休息吧
C．你每二十分钟就休息一次，又怎么能指望着让别人连续工作二小时不休息呢
D．既然你自己每二十分钟就休息一次，你再怎么希望让别人连续工作三小时不休息呢

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热门试题

单项选择题

Which of the following sentences best expresses the central idea of the passage（）

A．Deficiencies of Vitamin C may cause serious diseases.
B．Fresh fruit and green vegetables contain enough nutrition that is necessary for a healthy body.
C．Vitamins play a vitally important role in people's health.
D．A good mixed diet normally supplies sufficient vitamins for us.

单项选择题

Scurvy is a disease that is provoked by（）

A．salted meat and biscuits
B．exhaustion
C．want of some essential substances
D．lack of fresh vegetables and fruits