《公共场所空气中氨测定方法》GB/T18204.25-2000中氨测定方法所用的水为()。
A、自来水
B、蒸馏水
C、二次蒸馏水
D、无氨蒸馏水
参考答案:D
用括号内所给动词的正确形式填空。
1. Walking after meals _______(be) good for your health.
2. How can I sleep well when you _______(chat) so loudly?
3. Mr White works as a teacher now, but he _______(work) in a company for several years.
4. She was allowed _______(not pay) so much money for this blouse.
5. The vegetables don't taste very good. They _______(cook) for too long.
普通简支梁应就全梁范围按()连续灌筑混凝土。
A.水平层次
B.竖直层次
C.整体一次成型
D.斜向分段水平分层