Question

【题目】Reading in bed is ________ your eyes. You'd better not do that.

A. helpful to B. good for

C. harmful to D. harm to

Answer 1

【答案】C

【解析】句意“在床上阅读对眼睛不好，你最好不要那么做”。be helpful to对……有帮助；be good for对……有好处；C.is harmful to对……有害；D.do harm to对……有害。且空前有be，故选C。