问题补充:
We all know that drinking too much our health, but some people don’t care.
A. is harm to
B. does harmful to
C. is harmful to
D. do harm to
答案:
A. is harm to
B. does harmful to
(答案→)C. is harmful to
D. do harm to
解析:考察harm的用法。Do harm to =be harmful to 对……有害,该句主语是drinking too much,单数,所以选择C
句意为,我们都知道饮酒过多对我们的健康有害,但是很多人不在乎。