年、月、旬、周施工进度计划应逐级落实，最终通过( )由作业班组实施。
A．任务分工表
B．施工任务书
C．工地例会
D．进度报告
参考答案：B
同温同压下，同体积的氨气（NH3）和硫化氢（H2S）气体的质量比为______________；同质量的氨气
（NH3）和硫化氢（H2S）气体的体积比为_____________；所含原子个数比为____________________；若两者所含氢原子数相等，它们的物质的量比是_______________。
He accidentally ________ he had stolen something from a shop and had been punished by the guards．
A．let out
B．took care
C．made sure
D．made out
