冲版台上装有灯光其用意是()
A.曝光用
B.检视图纹用
C.一般照明用
D.无特殊作用
参考答案:B
— Which is more important, English or math?
—I think English is as _______ as math.
A.important
B.more important
C.most important
D.the most important
危险货物必须按照《国际海运危险货物规则》标准,附带正确耐久的标志。所有标志均须满足经至少( )个月海水浸泡后,既不脱落又清晰可辨的要求。
A.1 B.2C.3 D.4