单项选择题

Questions 32 to 35 are based on the passage you have just heard.

A. 13 million.
B. 30 million.
C. 14 million.
D. 40 million.

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单项选择题

According to Charles Winget, in order to achieve human efficiency, we must（）.

A. go to bed early and rise early
B. make the most effort to achieve our best
C. adjust the function of each organ according to the needs of the whole body
D. coordinate the demands of our activities with our biological capacities

单项选择题

A. Buy a new watch.B. Go to bed earlier.C. See a doctor.D. Change his job.

A. Buy a new watch.
B. Go to bed earlier.
C. See a doctor.
D. Change his job.

Questions 32 to 35 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。

Questions 32 to 35 are based on the passage you have just heard.