单项选择题

Questions 23 to 28 are based on the conversation you have just heard.

A．They can not accomplish their daily tasks.
B．They suffer injuries from less amount of sleep.
C．They get no damage in their performance.
D．They operate worse than normal.

<上一题目录下一题>

热门试题

单项选择题

A．Water absorbing ability.B．The cell’s membrane.C．Its surroundings.D．The ability to maintain salt.

A．Water absorbing ability.
B．The cell’s membrane.
C．Its surroundings.
D．The ability to maintain salt.

填空题

competing

Questions 23 to 28 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。

Questions 23 to 28 are based on the conversation you have just heard.