单项选择题

Why does rain produce a lot of mosquitoes

A．Mosquitoes can find enough food in rainy season.
B．Rain makes grass grow fast.
C．Rain provides a good living condition for mosquitoes.
D．Rain provides an abundant supply of water.

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单项选择题

According to the text, which of the following statements is true

A．It takes the mosquito very short time to suck the blood from you.
B．A lot of blood is needed to produce young mosquitoes.
C．You can feel itch because the mosquito sucks your blood away.
D．The mosquito is still on your body when you feel uncomfortable.

单项选择题

The female mosquito bites because

A．she is unfriendly.
B．she needs blood to produce the young.
C．she is selective in food.
D．she can live longer with blood.