安全生产行政主管部门对各部门的企业职工伤亡事故情况实行（）考核。
A．地区
B．分级
C．统计
D．程度
参考答案：B
上市公司收购可以采取要约收购或协议收购的方式。
— Do you understand the problem?
— No. Although Mr. Murphy had explained it, his explanation didn't _____ to me.
[ ]
A. get down
B. get out
C. get across
D. get over
