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【单选题】
患者,男性,54岁,劳累后感心悸.查脉搏,每隔两个正常搏动后出现1次过早的搏动.判断此脉律为(B)A.
二联律
B.
三联律
C.
频发期前收缩
D.
成对期前收缩
E.
脉搏短绌
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反馈参考答案：
举一反三
【单选题】— May I swim in the river, Mum? — . [ ]
A.
No, you aren't
B.
Why do you ask me
C.
No, you can't
D.
I can't go with you
【单选题】—Bad luck. My computer doesn’t work. —Why not turn to John? No one can match him in our class when it __________repairing computers.
A.
comes to
B.
leads to
C.
contributes to
D.
attends to
【单选题】听力原文：Why can't the man ask John to call him back? (15)
A.
Because he hasn't a phone.
B.
Because he's leaving the city right now.
C.
Because he's calling from a friend's.
D.
Because his wife is terribly sick.
【单选题】Why can't John Rivers accept Miss Oliver's love?
A.
He had promised to be a missionary.
B.
Because his sisters didn't like her.
C.
Because he had promised to be single.
D.
Because Oliver's father had opposed to their marriage.
【单选题】From this text, a reader can find out
A.
why visitors are not welcome at John and Elizabeth's house.
B.
why Elizabeth exercises every day.
C.
why Elizabeth asked her father to buy the tower.
D.
why John and Elizabeth left their flat.
【简答题】Why can’t John meet Sarah on the day they’ve planned?
【单选题】Why can't John go on the boat trip?(T4)
A.
He has booked theatre tickets.
B.
He's scared of the water.
C.
He doesn't feel well.
D.
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