问题补充:
A good student is honest and kind to others. In other words, he never his friends.
A. helps
B. laughs
C. betrays
D. blames
答案:
A. helps
B. laughs
(答案→)C. betrays
D. blames
解析:考查词义辨析,help帮助,laugh嘲笑,嘲笑某人应用laugh at, betray背叛,blame责怪,句意:一个好学生对其他人诚实友好。换句话说,他从来不背叛朋友。故选C。