大体积混凝土结构的浇筑方案，一般分为( )。
A．垂直分层
B．全面分层
C．平面分层
D．斜面分层
E．分段分层
参考答案：B,D,E
根据句意写出下列句子中各月的名称。
1. The two hottest months are J__________ and A__________.
2. Classes begin in S__________ We most come back to school again.
3. There will be a seven-day holiday in O__________.
We can have a good time again.
4. The last second month is__________.
5. In the USA,in__________ people are very happy,because they have a Christmas Day.
需要开箱检查货物时，无法约见托运人或收货人时，应会同（）检查。
A、安全室
B、业务室
C、驻站公安
D、技术室
