题目内容
（请给出正确答案）
已知曲线
(1)常数a及切点(x0，y0)；
(2)两曲线与x轴围成的平面图形绕x轴旋转所得旋转体体积Vx．
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更多“已知曲线（a＞0)与曲线在点（x0，y0)处有公共切线．求 …”相关的问题
第1题
听力原文：How did you get that bruise on your arm？
(A) I fell off my bicycle.
(B) I bought it online.
(C) I baked it myself.
(15)
A．
B．
C．
第2题
听力原文：W: Where did you get that terrible bruise on your arm？
M: I banged it against the corner of the coffee table while I was playing with my son.
Q: How did the man bruise his arm？
(14)
A．His son hit him on the arm.
B．He stumbled over a stone and fell.
C．He bumped the arm against a piece of furniture.
D．He knocked over a coffee pot.
第3题
听力原文：W: Where did you get that terrible bruise on your arm？
M: I banged it against the comer of the coffee table while I was playing with my son.
Q: How did the man bruise his arm？
(14)
A．His son hit him on the arm.
B．He stumbled over a stone and fell.
C．He bumped the arm against a piece of furniture.
D．He knocked over a coffee pot.
第4题
听力原文：How did you get on in your exam？
(3)
A．I got the highest mark.
B．Yes, of course.
C．No, I didn't.
D．Sorry, I don't know.
第5题
听力原文：Where did you get your doctor's degree？
(A) From a well-known university in Canada.
(B) Yes, I worked as a doctor in that hospital.
(C) In the children's hospital.
(15)
A．
B．
C．
第6题
听力原文：W: How did you pull off an extension on your project？ Nobody else ever got one.
M: Now you know why I' m so nice to Professor Brown.
Q: What does the man imply？
(13)
A．He works hard.
B．He likes the professor.
C．He uses his good relationship to get favors.
D．He is pleased with the professor' s teaching.
第7题
听力原文：How did you enjoy your trip？
(12)
A．Yes, I think so.
B．How about you？
C．I like it very much.
第8题
听力原文：W: Excuse me, where did you get to know about the new product？
M: From your advertisement on TV.
Q: Where did the man get to know about the product？
(9)
A．On television.
B．In the newspaper.
C．On the Internet.
D．From a friend.
第9题
听力原文：How do you feel about your relocation？
(A) How did you know？ Our head office is located in Houston.
(B) It all depends on the place and conditions.
(C) That subject has always given me problems.
(4)
A．
B．
C．
第10题
听力原文：W: Oh I really like your top. Where did you get it？
M: I got it from 'Topman'. It was on sale, reduced from 80 pounds to 50.
Q: How much was the man's top？
(13)
A．it was 50 pounds.
B．it was 80 pounds.
C．it was 20 pounds.
D．it was 40 pounds.
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