We need to be______ the long-term effect of playing comp Wap版

试题详情及答案解析

We need to be______ the long-term effect of playing computer games too much on children.

A．concerned about	B．amazed at
C．threatened by	D．tired of

答案：A

试题分析：考查短语辨析。句意：我们需要关注的是过多地玩游戏对儿童产生的长期影响。A关心，担心；B对......感到惊讶；C受到......的威胁；D厌烦。be concerned about sth/sb关心/担心/关注......，故选A。
考点：考查短语辨析