皮皮学,免费搜题
登录
搜题
【单选题】
C6140型车床主轴电动机与冷却泵电动机的电气控制的顺序是()。
A.
主轴电动机启动后,冷却泵电动机方可选择启动
B.
主轴与冷却泵电动机可同时启动
C.
冷却泵电动机启动后,主轴电动机方可启动
D.
冷却泵由组合开关控制,与主轴电动机无电气关系
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】听力原文: Investment in the public sector, such as electricity, irrigation, public services and transport increased by about 10%, although the emphasis moved to the transport and away from the other secto...
A.
Because people saved less.
B.
Because people were wealthy.
C.
Because people consumed less.
D.
Because expenditures on luxuries increased.
【简答题】There is no basis for arguing that private schools are bound to be better than public schools.
【简答题】根据人们观赏花卉部位的不同分类,属于观果的花卉是:
【简答题】国内饮食业的分类主要是为了便于进行餐厅评估、方便督导而行成的,大致可分为__________、_____________、_______________、_________、________五大类。
【简答题】请同学们写一下这一学期课程的学习反思: 1. 通过这门课程的学习,您在哪些方面有收获,具体阐述。 2.对于这门课程的教学过程,哪些方面是你认可的,为什么?哪些方面是需要改进的,该如何改进?以及你想在其他哪些方面获得更多的帮助,具体问题是什么? 3.其他你想表达的也可以。 字数没有要求,真情实感就好! 提交要求:作业规范命名——学号+姓名+学习反思与感悟
【单选题】下列不属于观茎花卉的是( )。
A.
红瑞木
B.
仙人掌
C.
杜鹃花
D.
白桦
【单选题】听力原文: A storm that dropped a foot or more of snow bogged down highways and closed schools on Tuesday from the Plains to New England, and some travelers had to spend the night on a church floor. 'I lik...
A.
A storm.
B.
A car accident.
C.
A driver driving too fast.
D.
A flood.
【简答题】根据人们观赏花卉部位的不同分类,属于观叶的花卉是:
【单选题】听力原文:Isn't the Public Library open in the evening? (A) It's a public performance. (B) No, another day perhaps. (C) Yes, until 8 p.m. (24)
A.
B.
【单选题】听力原文: Sports and s are very useful for character training. In their lessons at school, boys and girls may learn about such virtues as unselfishness, courage, discipline and love of one' s country....
A.
It' s good for training one' s character but not good for one' s health.
B.
It' cannot prepare pupils to be good citizens.
C.
It has less effect on a child' s character than sports and s.
D.
It' s as important as after - class activities.
相关题目: