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【单选题】
呼吸性酸中毒是指A.
血浆HCO3-?原发性增多使血液pH低于正常，PaCO2??升高的情况
B.
血浆HCO3-?原发性增多使血液pH低于正常，PaCO2??降低的情况
C.
血浆HCO3-?原发性增多使血液pH低于正常，PaCO2??正常的情况
D.
血浆HCO3-?原发性增多使血液pH低于正常，TCO2??降低的情况
E.
血浆HCO3-?原发性增多使血液pH低于正常，TCO2??正常的情况
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【单选题】My father __ my uncle when he went to Shanghai on business. [ ]
A.
dropped off
B.
dropped into
C.
dropped by
D.
dropped out
【简答题】A．He hit it with a hall. B．He accidentally dropped it. C．He tried to piece it together with super glue. D．He bumped into it with his arm.
【简答题】He’s dropped (= given) several ____to the boss that he’ll quit if he doesn’t get a promotion.
【简答题】在制造系统中，机械加工所使用的（ ）、（ ） 、（ ）和（ ）组成了一个相对独立的统一体，称之为工艺系统。
【单选题】_____in physical shape, he dropped out of the University of Syracuse.
A.
As he was bad
B.
Bad as he was
C.
Bad although he was
D.
Bad though he was
【单选题】Rewrite the following sentence using the cue and inversion: If he had understood the situation, he would have quit. (had)
A.
Should he had understood the situation, he would have quit.
B.
Had he undersood the situation, he would have quit.
C.
Did he have understood the situation, he would have quit.
【简答题】A．He hit it with a ball. B．He accidentally dropped it. C．He tried to piece it together with super glue. D．He bumped into it with his arm.
【简答题】机械制造系统中,机械加工所使用的 、 、 和 组成了一个相对独立的系统,称为工艺系统。
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