皮皮学,免费搜题
登录
搜题
【判断题】
三相对称负载作星形联结时,其中性线电流为零,此时取消中相线也不影响三相电路的工作,三相四线制就变成三相三线制
A.
正确
B.
错误
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】According to the passage, which statement is CORRECT?
A.
The elephant is the biggest animal In the world.
B.
Female and male elephants live together all life long.
C.
The elephant has a good memory.
D.
The male elephant often has lots of male friends.
【简答题】ANSYS Workbench 网格设置中相关性( Relevance )与关联中心( Relevance Center )的作用是什么?
【简答题】Which animal is good at swimming and always looks as if it is smiling? (用单数填写) the ( )
【简答题】一起大声朗读吧! Do you know? — English Saying 1. Good, better, best, never let it rest, till good is better, and better is best. 2. Better to do well than to say well. 嘴勤不如手勤。 3. Actions speak louder than w...
【单选题】Animal names have been traditionally taken by Chinese to mean something else by being associated with certain homophones. So, of the following examples, which meaning of animal names is not right?
A.
The animal, bat, its pronunciation 蝠 coincides with that of ‘blessing’ 福 .
B.
The animal 鸡 chicken often appears as a pun to mean 吉 good luck because the two sound alike.
C.
Fish 鱼 sounds the same as 余 unwanted and unnecessary things.
D.
The image of sheep or goat 羊 is often associated with 祥 auspiciousness.
【多选题】用钢尺丈量距离,有下列几种情况使量得的结果产生误差,其中哪些属于系统误差。()
A.
尺长不准确
B.
尺不水平
C.
估读小数不准确
D.
尺垂曲
E.
尺端偏离直线方向
【单选题】Which is the good source for B vitamins?
A.
fruit
B.
animal meat
C.
tea
D.
vegetable
【单选题】一般来说,资产项目中不随销售收入变而变化的项目有( )
A.
A货币资金
B.
B应收账款
C.
C存货
D.
D无形资产
【判断题】齿轮寿命比带传动还要短
A.
正确
B.
错误
【简答题】Terrestrial Animal Health Code of World Organization for Animal Health has defined animal welfare as: "How an animal is coping with the conditions in which it lives. An animal is in a good state of we...
相关题目: