题目内容

定时时间=预置值*时基

A. 对
B. 错

查看答案
更多问题

过剩空气系数值越大,越有利于提高燃料的实际燃烧温度?

A. 对
B. 错

通过实际烟气中气体成分的组成可以计算出相应的过剩空气系数。

A. 对
B. 错

患者,38岁。10年前曾患葡萄胎,无诱因开始阴道出血,持续2个月,量时多时少,诊刮病理报告结果为:见滋养细胞增生活跃,未见绒毛结构,最可能诊断()

A. 绒癌
B. 子宫内膜癌
C. 侵葡
D. 功血
E. 子宫肌瘤

Directions:Choose the best answer from the four choices marked A, B, C and D.(本题总共25小题,每题1分,共25分)1.Sam’s three children had always been ________ to give a hand when they were not in school or doing their homework.

A. submitted
B. suggested
C. exposed
D. expected

答案查题题库