污染事故货运记录应记明车内污染物(源)名称、位置、面积、包装情况,污染物(源)与被污染货件(),被污染货件的数量和程度。
A、性质
B、距离
C、关系
D、装载情况
参考答案:B
—I am so sorry to have come late for the meeting.
—It is not your fault.With ________ rush-hour traffic and ________ heavy rain,it is no wonder you were late.
A.a;a
B.the;the
C./;/
D./;a
水泥混合砂浆的强度等级可划分为()4个等级。
A.M20;M25;M30;M35
B.M20;M15;M10;M5.0
C.M15;M10;M7.5;M5.0
D.M15;M10;M5.0;M2.5