单项选择题

According to Fredrick Reid, the aviation industry ______.

A．is facing a very serious situation
B．will confront a difficult evolution
C．has no way out of the present difficulty
D．will experience a radical reform

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单项选择题

How many factors could shape public opinion, as mentioned in the text

A．2.
B．3.
C．4.
D．5.

单项选择题

The second paragraph is mainly about ______.

A．the influence of gender on people's view
B．the influence of people's status on their view
C．the influence of living standard on people's view
D．the influence of different jobs on people's view