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【单选题】
关于心前区震颤的特点，下列哪项是错误的A.
狭窄越重震颤越强，过度狭窄可无震颤
B.
震颤产生机制与杂音相同，有震颤一定可听到杂音
C.
震颤常见于瓣膜关闭不
D.
震颤可分为收缩期震颤、舒张期震颤及连续性震颤
E.
听到杂音不一定能触到震颤
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【单选题】听力原文：W: We're going to France for our vacation this summer. I'd like to suggest you and Kathy join us. M: That's very kind of you, but even if it doesn't cost anything, Cathy would rather stay at home...
A.
Kathleen does not like traveling.
B.
Kathleen wants to go to somewhere else for summer vacation.
C.
Kathleen hates to stay at home alone.
D.
Kathleen doesn't want to spend any money on traveling.
【单选题】听力原文：W: Do you like Canada or France? M: I like them, but I like China better. Which country does the man like best?
A.
Canada.
B.
France.
C.
China.
【简答题】One day , Mr. Jackson took Paul to his favorite restaurant. It was a French restaurant. The waiter was from France, but he didn’t speak to them in French. ”Would you like to see menu?” , he asked i...
【简答题】为了使植物制成的器物可以更好的耐火,于是开始在器物表面开始涂抹 。
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