单项选择题

A．The threat of poisonous desert animals and plants.
B．The exhaustion of energy resources.
C．The destruction of oil wells.
D．The spread of the black soot from the fires.
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单项选择题
A．To look for a different lifestyle.B．To enjoy themselves.C．For adventure.D．For education.
A．To look for a different lifestyle.
B．To enjoy themselves.
C．For adventure.
D．For education.
单项选择题
A．She thought it was a waste of money.B．She was amazed that it had been finished in such a short time.C．She was impressed by it.D．She didn’t like it as much as the other wings.
A．She thought it was a waste of money.
B．She was amazed that it had been finished in such a short time.
C．She was impressed by it.
D．She didn’t like it as much as the other wings.
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