利用井径资料计算固井水泥用量时,采用()井径来参与计算。
A.全井最大
B.固井段的最大
C.全井平均
D.固井段的分段平均
参考答案:D
用所给词的正确形式填空。
1. September 1 is the _____ (one) day of our new term.
2. Go _____ the bridge, and you will find it.(cross).
3. She usually _____ (watch) TV on Saturday evening.
4. He doesn't _____ (do) his homework every day.
5. Ms. Lin (be) _____ never late for class.
6. The boy in blue pants is _____ brother. (Jane)
7. There (be) _____ some water in the bottle.
8. How many _____ are there in your home? (study)
9. She is _____ to me. (friend)
10. My father goes to the _____ pool every afternoon. (swim)
在麻醉前用药中,提高痛阈最显著且有明显镇静作用的是()。
A.咪达唑仑
B.吗啡
C.苯巴比妥
D.东莨菪碱
E.格隆溴铵