Cigarettes and alcohol do such great harm to health that they can easily cause weakening

问题补充：

Cigarettes and alcohol do such great harm to health that they can easily cause weakening of our bodies.

A. a; /

B. /; the

C. a; the

D. /; /

答案：

A. a; /

(答案→)B. /; the

C. a; the

D. /; /

解析：考查冠词：第一空不填，因为harm是抽象名词，前面不加冠词，第二空填the，特指“我们身体的虚弱”，句意：香烟和酒对我们的身体有如此大的伤害，以至于它们可以很容易的造成我们身体的虚弱。选B。