安全质量标准化年度达标优良率低于国家或()规定的,应根据具体情况评定折减分数。
A.企业
B.地方
C.行业
参考答案:B
输危险化学品只能委托有()的运输企业承运。
-Why _________the man must be Zhou Jielun?
-I just saw him go there. [ ]
A. do you know
B. do you believe
C. do you think
D. do you see