单项选择题

In the paragraphs that follow this passage below, the writer will______.

A.introduce some kinds of beds that are available
B.provide some tips on how to choose an appropriate bed
C.tell the reader how to obtain good sleep
D.explain why a bed is so important and indispensable in our life
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单项选择题
The main massage of the pamphlet is to ______.
A.provide car owners with car theft statistics
B.give details about costs in crime prevention
C.portray the profile of certain car thieves
D.raise car owners' awareness against car theft
单项选择题
Which of the following is the main idea of the passage
A.Unfortunately many expectant mothers do not take the necessary precautions in order to care for their unborn child.
B.To have a healthy baby, expectant mother must take special precautions.
C.An expectant mother should avoid alcohol during her pregnancy.
D.An expectant mother should be very careful about her medication.
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