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【单选题】
What is the relationship between Jeff May and Jeff Weise?A.
Jeff May and Jeff Weise were brothers.
B.
Jeff May and Jeff Weise shared a room.
C.
Jeff May and Jeff Weise both had a crush on Alicia White.
D.
Jeff May knew Jeff Weise but they never talked.
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举一反三
【单选题】Which of the following etiquette is considered not appropriate in British society?
A.
You need to stand up until the host or hostess invites you to sit down.
B.
You always need to pay for meals at restaurants no matter whether or not you are invited.
C.
You should not rest your elbows or hands on the table while being invited for dinner.
D.
You can arrive 10-15 minutes later than the time as suggested by the host or hostess.
【单选题】形式的公理化方法：即从一批公理、定义出发，通过逻辑推理，得到一系列结论的方法。这种形式的公理化方法在逻辑上的要求，就是满足( )。
A.
相容性、独立性和完全性
B.
精确性，一致性和完全性
C.
同步性，严格性和独立性
D.
精确性，独立性和完全性
【简答题】三相异步电动机首尾端的判别方法有：[填空(1)]﹑[填空(2)]和[填空(3)]。
【单选题】45 技术知识的基本形式是( )和操作方法,技术活动最典型的方式是技术开发,包括发明、拓展、重组和创新等。
A.
科学原理
B.
技术原理
C.
工程原理
D.
伦理原理
【简答题】判别三相异步电动机定子绕组首尾端的两种方法是什么?
【单选题】Why is etiquette important in today’s society?
A.
It protects the feelings of others.
B.
It makes communication clearer.
C.
It makes good first impressions.
D.
All of the three.
【简答题】如何用36V交流电源和灯泡判别三相异步电动机的首尾端?
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