Many lifestyle patterns do such______great harm to health that they actually speed up

问题补充：

单项选择题:

Many lifestyle patterns do such______great harm to health that they actually speed up ______weakening of the human body．

A．a；/

B．/；the

C．a；the

D．/；/

答案：

答案：B

解析： 句意：很多生活方式对身体健康是很有害的，实际上它们能加快体质变 弱。do harm to…为固定短语，意为“对……有害”；第二空为特指的用法，即特指体质变弱，故 用定冠词the。