单项选择题

What do you know about the center's employees

A．Sometimes their jobs might be uncertain.
B．Sometimes their life might be in danger.
C．Each of them speaks 12 languages.
D．All of them are in dangerous situations.

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单项选择题

What does the center do to offer its help in an emergency situation

A．It gives the survivors medical care.
B．It leads over 158 country offices.
C．It sends goods to the countries in crisis.
D．It provides communication services.

单项选择题

The number of the tourists to these small villages ______ growing.A) to keep C) keepB) keeping D) keeps

A．The number of the tourists to these small villages ______ growing.
B．to keep
C．keeping
D．keep
E．keeps