I'm hungry! I want to . [ ]
A. drink
B. eat
C. take
答案：B
H1N1 control and prevention is a to China as well as the whole world．
A．surprise
B．challenge
C．reaction
D．threat
下列不属于哺乳类动物的是（）。
A．蝙蝠
B．鲸
C．蜂鸟
D．海豹
