通涵构造物外露面应使用组合钢模的规格是什么？
参考答案：
通涵构造物外露面应使用组合钢模的规格是不小于1.2m2，钢板厚度不小于5mm。
Only _____ a human being. [ ]
A. when is it hungry a lion will attack
B. when it is hungry a lion will attack
C. when it is hungry will a lion attack
D. when is it hungry will a lion attack
根据《水质梯恩梯、黑索金、地恩梯的测定气相色谱法》（GB/T13904-1992）测定梯恩梯的水样在（）度低温下避光保存。
A.2－5
B.0
C.0-5
D.0-7
