单项选择题

If I were the president of a university 1 should __ a compulsory course in "How to Use Your Eyes".

A．estate
B．elapse
C． escape
D．establish
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单项选择题
The passage implies that the osmotic pump pill is better than other pills and capsules because____.
A．it releases medicine slowly over a long period of time
B．the coating doesn’t dissolve in the stomach
C． the medicine in the pill can affect the body quickly
D．it helps to build pressure in the body
单项选择题
The alarm clock that determines the activity of certain living things is governedby ____.
A．hours of daylight
B．the time of day in their native environments
C．the moon
D．something we don’t understand completely
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