调保计算中规定，减负荷运行的机组，过水压力系统任何一段内不允许发生真空
参考答案：错
找出下列句子中的错误并改正。
( ) 1. Lucy is comes from America. _______________
A B C D
( ) 2. Do you like reading books? Yes, I like. _______________
( ) 3. He is sitting beside mother now. _______________
( ) 4. Did they watered the flowers on the farm yesterday? _______________
( ) 5. What are seven and six? It's thirteen. _______________
下列药物不属于麻醉药品的是（）。
A.吗啡
B.度冷丁
C.强痛定
D.芬太尼
E.氢可酮
