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【单选题】
How many times does Chris weep in the movie?A.
Once
B.
Twice
C.
Three times
D.
Four times
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反馈参考答案：
举一反三
【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全时
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
【简答题】A．He is very old now. B．He is in good health. C．He lives in the city now. D．He prefers driving a car.
【单选题】—_______he is very old, he works very hard. — Wow, great. I should learn from him.
A.
Although
B.
However
C.
Because
D.
So
【单选题】Mr. Brown is 70 this year. Although he is very old, ____ he works very hard.
A.
and
B.
but
C.
so
D.
/
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