题目: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./; /
喵查答案:B
解析:本题考查冠词。句意:许多生活方式对人类的健康有害,他们加速了人类身体的衰退。本题考查冠词,对……有害用短语“do harm to”表示,中间无需冠词;之后的weakening是由动词的ing形式表示抽象的名词,表达一种概念、状况时需要加上the。