问题
选择题
It is said that sandstorms will become more ________ as a result of global warming.[ ]
A．frequent
B．normal
C．formal
D．rare
答案
答案：A
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It is said that sandstorms will become more ________ as a result of global warming.[ ]
A．frequent
B．normal
C．formal
D．rare
答案：A
