单项选择题


Questions 11 to 18 are based on the conversation you have just heard.

A．By going on a diet.
B．By doing physical exercise.
C．By having fewer meals.
D．By eating fruit and vegetables.
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单项选择题
We learned from the passage that ______ .
A．even in 2030, obstacles still exist in reading and interpreting human thought
B．nowadays people feel angry with the domination of the history by elites
C．by the year 2050, human beings can lead an everlasting life biologically
D．people can only "live in" silicon to get an immortal life
单项选择题
According to Savage, the manager of 3M, videoconferencing is ______ .
A．expensive in installing the system
B．efficient in saving employees for meetings
C．worthwhile by not sending employees for meetings
D．useful in changing boring meeting into exiting ones
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