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【单选题】
心房颤动的心电图表现A.
P波消失出现f波350-600次/分
B.
P波消失出现F波，250-350次/分
C.
P波高尖电压超过0.25mV
D.
P波增宽时间超过0.12秒
E.
P-R间期延长时间超过0.12秒
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【单选题】根茎薄壁组织中有间隙腺毛的药材是
A.
15~24个,环状排列
B.
5~13个,环状排列
C.
2个,八字形排列
D.
3~4个,环状排列
E.
30余个断续排列成双卷状
【单选题】Questions are based on the following passage． Do you find getting up in the morning so difficult that it's painful? This might be called laziness, but Dr．Kleitman has a new explanation． He has proved ...
A.
he refuses to follow his own energy cycle
B.
he is a lazy person
C.
he is not sure when his energy is low
D.
he is at his peak in the afternoon or evening
【简答题】D I don’t like getting up too early unless I have to. When you’re filming, you’ve got make-up on, which doesn’t happen often. As I’m not filming at present I’ll get up at 8.30. Work normally means Mat...
【简答题】根茎薄壁组织中有间隙腺毛的药材是
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