单项选择题

What does the writer think about the creation of new desert areas

A．It is a natural development.
B．The problem is not very serious.
C．It is a very worrying problem.
D．The situation will improve in tim
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单项选择题
The shuttle exploded in the air suddenly and broke into ______ at once.
A．diversity
B．fragments
C．doctrine
D．drought
单项选择题
She got very angry and ______ her clothes about in the room.
A．flung
B．flew
C．clamped
D．clashed
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