单项选择题

Questions 30 to 32 are based on the passage you have just heard.

A．He knew this beforehand.
B．He judged from time zones.
C．He made such a judgment so as to Wang.
D．He gave such an explanation because he analyzed the speeds of sound and electricity.
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单项选择题
A．People marry at a much later time.B．More birth control devices and methods have been used.C．Women would rather go to study or work than have children.D．All of the above.
A．People marry at a much later time.
B．More birth control devices and methods have been used.
C．Women would rather go to study or work than have children.
D．All of the above.
单项选择题
A．How long I intend to stay in the jobB．How much I’m paid in my present jobC．How much I expect to be paid in the new jobD．What is your interest or hobby
A．How long I intend to stay in the job
B．How much I’m paid in my present job
C．How much I expect to be paid in the new job
D．What is your interest or hobby
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