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【单选题】
听力原文：M: What a delicious meal! Waitress, can I have the bill? I'm afraid I haven't brought enough cash with me. Do you honor credit cards? W: Here it is, sir. Your bill totals 100 dollars. You can use two kinds of credit cards, American Express and State Express. M: That is fine. I have the American Express. Here is 15 dollars that's my tip for you. W: Thank you very much, sir. Where does the conversation happen probably?A.
In the post office
B.
In the bank
C.
In the restaurant
D.
In the company
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【单选题】十字轴式刚性万向节主要由万向节叉、十字轴与轴承套等组成,它允许相邻两轴的最大交角为( )。
A.
0°～5°
B.
5°～10°
C.
10°～15°
D.
15°～20°
【简答题】十字轴式刚性万向节允许相邻两轴的最大交角为 。A. 15°~20°
【单选题】胸中是( )
A.
手阳明经与足阳明经交接处
B.
足太阴经与手少阴经交接处
C.
足少阴经与手厥阴经交接处
D.
手太阳经与足太阳经交接处
E.
足少阳经与足厥阴经交接处