单项选择题

Only the __________ will bite for blood.

A．male
B．baby mosquitoes
C．mosquito
D．female
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单项选择题
Female mosquitoes lay eggs __________.
A．in human blood
B．in plant juices
C．in water
D．in cold areas
单项选择题
The area of Beijing is about __________ that of my hometown.
A．5 times as larger as
B．as 5 times large
C．as 5 times larger than
D．5 times as large as
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