地下工程防水,转角处、阴阳角等特殊部位,应增贴1~2层相同的卷材,宽度不宜小于______mm。
A.300
B.500
C.600
D.1000
参考答案:B
—He ______ a piece of waste paper then put it into the rubbish bag.
—We should learn from him. Everyone should do something to protect the environment. [ ]
A. picked up
B. threw away
C. gave away
D. handed in
通过厂容厂貌、厂旗厂标、产品造型设计、职工的言谈话语体现出来的企业文化是()企业文化。
A、一般
B、表层
C、中层
D、深层