单项选择题

The primary purpose of this passage is to explain that ______.

A．not all reports on food are scientifically sound
B．it is important for the public to know the risks of pesticides
C．vegetables and fruits can be harmful to children's health
D．there should be no public concern over pesticides
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单项选择题
The wanting message about the Alar apple was given ______.
A．by Consumers Union
B．by a health center
C．through an news agency
D．through the government
单项选择题
With regard to the pesticides in food, this passage seems to argue that ______.
A．parents should keeps their children from the food with pesticicles
B．they should be applied to fruits and vegetables wit caution
C．more research needs to be done on their harmfulness to health
D．they are not as threatening as said to children most of the time
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