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【判断题】
大型离心式压缩机常用金斯伯雷轴承作推力轴承,它与其他类型推力轴承比较,具有调节灵活、载荷均匀、自动补偿转子不对中的偏斜能力强等优点。A.
正确
B.
错误
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【单选题】听力原文：M: What are you looking for? W: We're studying the basic structure of molecules. M: Just any molecules? There are quite a few of them! W: Yes, far too many. We're only working with certain molecu...
A.
The basic structure of atoms.
B.
The basic structure of molecules.
C.
The basic structure of neutron.
【单选题】听力原文：M:Christine, you're not only an eighteen year old, studying for your A levels you're also a very successful businesswoman. How do you manage to combine these two? Perhaps you could tell me about ...
A.
She's a university student majoring in business.
B.
She works as a professional jewelry designer.
C.
She's a high school student working part-time.
D.
She's attending a night school course.
【单选题】听力原文：M: What are you looking for? W: We're studying the basic structure of molecules. M: Just any molecules? There are quite a few of them! W: Yes, far too many. We're only working with certain molecu...
A.
The basic structure of atoms.
B.
The basic structure of molecules.
C.
The basic structure of neutron.
【单选题】听力原文：M: So, you're an architect. W: Yes. M: Do you work for a public or a private organization, or you're self-employed, that is working on you own? W: I'm working for a private designing construction...
A.
A newspaper.
B.
The government.
C.
A construction firm.
D.
A private company.
【单选题】听力原文：M: So, you're an architect. W: Yes. M: Do you work for a public or a private organization, or you're self-employed, that is working on you own? W: I'm working for a private designing construction...
A.
A newspaper.
B.
The government.
C.
A construction firm
D.
A private company,
【单选题】听力原文：W: Professor Smith, here's the book you're looking for. M: Thanks. Where did you get it? Q: What does Professor Smith want? (9)
A.
A magazine.
B.
A dictionary.
C.
A book.
D.
A newspaper.
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