在环境温度低于0℃时,对管线进行水压试验,除对管道采取防冻措施外,试压水的温度不应低于()
A、0℃
B、20℃
C、30℃
D、50℃
参考答案:D
选词填空。
1. _______(Does, Do) she want to go to a movie?
2. Yes, he _______.(do, does)
3. I _______(wants, want) to go to an action movie.
4. _______(Want, What) kind of movies do you like?
5. Peter _______(like, likes) romances.
抗疟疾治疗最常用的方案是
A.阿的平加伯氨喹啉
B.奎宁加伯氨喹啉
C.乙胺嘧啶加伯氨喹啉
D.氯喹加伯氨喹啉
E.环氯胍加伯氨喹啉