单项选择题

According to the first paragraph, we can say that ______.

A．the weather always remains the same in a day
B．a fine day can't last for long
C．we rarely think about the weather
D．the weather changes a lot
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单项选择题
The author suggests that all mosquitoes like ______.
A．blood
B．wet areas
C．cold weather
D．dry climates
单项选择题
Only the ______ will bite for blood.
A．male
B．baby mosquitoes
C．mosquito
D．female
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