单项选择题

A．Because he is only a 3-year-old child.
B．Because others’’ cough may be contagious to him.
C．Because he also has a fever.
D．Because he cries all the time.
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单项选择题
The passage mainly talks about protecting children after tsunami disaster.
A．Y
B．N
C．NG
单项选择题
A．At low latitudes.B．At mid-latitudes.C．At high latitudes.D．At high altitudes.
A．At low latitudes.
B．At mid-latitudes.
C．At high latitudes.
D．At high altitudes.
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