MARPOL73/78附则Ⅱ根据其毒性和对环境污染的影响对散装化学品分为()大类。
A.9
B.7
C.4
D.3
参考答案:C
Let's go and have _______ his new CD. [ ]
A. look at
B. a look at
C. a look
D. the look at
按照附件十七的内容,任何可以用来致伤的物体,称为顿头器械。()