()必须依法参加工伤社会保险。
A、劳动者
B、各级政府
C、用人单位
参考答案:C
The report _____ figures from six different cities in Europe _____ six parts.
[ ]
A. basing on ; make up
B. based on; is made up of
C. according to; consist of
D. according to; make of
汽车制动试验台按测试原理不同分为()和惯性式两种。