冶金安全生产事故主要分析技术方法（）。
A.评分法
B.综合法
C.检查表法
D.灰色安全评价法
参考答案：A, B, C
With the government's aid, those ____ by the earthquake have moved to the newsettlements. [ ]
A. affect
B. affecting
C. affected
D.were affected
To save class time, our teacher has ______students do half of the exercises in class and complete the other half for homework.
A．us
B．we
C．our
D．ours
