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【单选题】
二度I型房室传导阻滞的心电图特征是A.
P-R 间期进行性缩短，直至一个 P 波受阻不能下传到心室
B.
相邻 P-R 间距进行性延长，直至一个 P 波受阻不能下传到心室
C.
P-R 间期进行性延长，直至一个 P 波受阻不能下传到心室
D.
P-R 间期＞ 0.20 秒， P 波无受阻
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【简答题】QT500-7牌号中,QT表示( ),数字500表示( ),数字7表示( )。
【单选题】－－－ He is fifteen years older than you. －－－ _______ Love has nothing to do with age. A．What for
A.
23. --- He is fifteen years older than you. --- _______ Love has nothing to do with age. A．What for?
B.
How about it?
C.
So what?
D.
How come?
【简答题】关于证券投资基金的说法正确的有（ ）。
【单选题】What can stress do to us?
A.
It can do good to us.
B.
It can do harm to us.
C.
It can kill us.
D.
All of the above.
【单选题】You have water washed your cargo tanks using the fixed machines．What should you do before using portable machines to clean areas screened from the wash of the fixed machine by structural members _____...
A.
Ventilate the tank to eliminate any electrostatically charged mist
B.
Attach the water supply hose to the portable machine after the cleaning head is positioned inside the tank
C.
Insure that the tanks are not stripped until the final wash is started
D.
Ground the fixed machines to eliminate any electrostatic buildup on the cleaning head
【单选题】What did Eddie do with the hammer?
A.
He drove nails into the lump.
B.
He fixed his toolbox.
C.
He retired the carpet.
D.
He flattened the lump.
【多选题】关于证券投资基金的说法正确的有( )
A.
证券投资基金可以广泛地吸收社会闲散资
B.
证券投资基金由经验丰富的专业人员进行管理
C.
证券投资基金实施多几化投资以分散风险
D.
投资的最低限额低
E.
投资人一定是法人
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