问题
判断题
电泵井的泵特性曲线对判断电泵机组工作状况没有帮助。（）
答案
参考答案：错
搜题请搜索小程序“爱下问搜题”
电泵井的泵特性曲线对判断电泵机组工作状况没有帮助。（）
参考答案：错
用所给短语的正确形式填空。
小题1:No matter what may happen, be sure to _____________. 小题2:This photo _______me ______my childhood. 小题3:He is often told not to _____________ here and there. 小题4: A good husband seldom _____________ his wife. 小题5: It’s necessary for me to _____________ smoking, the sooner, the better. |