单项选择题

A．The threat of poisonous desert animals and plants.
B．The exhaustion of energy resources.
C．The destruction of energy resources.
D．The spread of the black powder from the fires.
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单项选择题
A．Feel sorry that she can’t help the man.B．Lend the man her pencil and paper.C．Ask someone else to help the man.D．Give the man the notes.
A．Feel sorry that she can’t help the man.
B．Lend the man her pencil and paper.
C．Ask someone else to help the man.
D．Give the man the notes.
单项选择题
A．A mountain resort.B．A seaside resort.C．A desert.D．The outback of Australia.
A．A mountain resort.
B．A seaside resort.
C．A desert.
D．The outback of Australia.
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