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单项选择题

The news item is mainly about______

A．air traffic problems
B．safety improvement
C．the number of flights
D．flight training courses

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热门试题

单项选择题According to the news, France was strongly criticized for______

A．conducting five nuclear tests on Wednesday
B．carrying out a series of nuclear tests in the Pacific
C．getting disappointing results in the nuclear program
D．refusing to sign a global treaty banning nuclear tests

单项选择题Where did the storms first strike

A．The eastern U.S.
B．The Gulf of Mexico.
C．The Canadian border.
D．Some areas in Cuba.