Question

The man is____ a serious nervous breakdown because he is unable to deal with pressure from daily life.

A．a(chǎn)t the edge of

B．on the edge of

C．on behalf of

D．on the top of

Answer 1

B

考查介詞短語(yǔ)辨析。句意：這個(gè)人因不能處理日常生活得壓力而處于心理崩潰的邊緣。On the edge of 正處于----的邊緣符合句意；at the edge of 在----的邊緣；on behalf of代表；on the top of在---的頂部。