单项选择题


Questions 22 to 25 are based on the conversation you have just heard.

A．Because people give too much time to the Internet.
B．Because people have more friends on the Internet.
C．Because people have less face-to-face conversations than before.
D．Because people stay at home longer than before.
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单项选择题
The first car that could use natural gas as power in the combustion engine emerged in the history came out in ______.
A．the 19th century
B．the 1930s
C．the late 1960s
D．the early 1970s
单项选择题
A．Five million dollars.B．Forty thousand dollars.C．One million dollars.D．Fifty thousand dollars.
A．Five million dollars.
B．Forty thousand dollars.
C．One million dollars.
D．Fifty thousand dollars.
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