Many lifestyle patterns do such great harm to health that they actually speed up weakening

问题补充：

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：

A. a; /

(答案→)B. /; the

C. a; the

D. /; /

解析：考察冠词。第一空的harm是一个不可数名词，即使前面有形容词修饰，仍然不能加冠词。第二空特指人体的衰败。句意：很多生活方式对健康的伤害是如此之大以至于实际上加快了人体衰败的速度。