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【单选题】
患者,PaO2为40mmHg),SaO2为70%,有发绀、呼吸困难,该患者属于何种程度的缺氧?A.
轻度
B.
中度
C.
重度
D.
极重度
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举一反三
【单选题】—Why didn’t you go to the cinema with us yesterday evening? —I________for my uncle from Beijing at the station.
A.
was waiting
B.
am waiting
C.
will wait
D.
waited
【单选题】It took Andy two hours ____ his homework yesterday evening and I spent ____ mine. [ ]
A.
doing; less time finishing
B.
doing; more time to finish
C.
to do; more time to finish
D.
to do; less time finishing
【单选题】下列句子不属于状语后置之的一项是( )
A.
事急矣，请奉命求救于孙将军。
B.
形似酒樽，饰以山龟鸟兽之形。
C.
不然，籍何以至此？
D.
生乎吾前，其闻道也固先乎吾。
【简答题】Yesterday evening, Mary t a walk with her mother after dinner.
【单选题】Do you know why John didn' t ______ at the party yesterday evening?
A.
show off
B.
show down
C.
show up
D.
show in
【单选题】假定某耐用消费品的需求函数Qd=400-5P时的均衡价格为50，当需求函数变为Qd=600-5P时，（供给不变）均衡价格将
A.
低于50
B.
高于50
C.
等于50
D.
无法确定
【单选题】Jane: What were you doing when I phoned you yesterday evening? Kate: I just finished my homework and t o watch TV.
A.
have; am going
B.
have; was going
C.
had; am going
D.
had; was going
【单选题】下列句子不属于状语后置的一项是( )
A.
余音袅袅，不绝如缕。（《赤壁赋》）
B.
此先汉所以兴隆也。（《出师表》）
C.
给贡职如郡县。（《荆轲现刺秦王》）
D.
必哭泣埋葬之如其子。（《勾践灭吴》）
【单选题】My father _______ at eight o’clock yesterday evening.
A.
watched TV C. is watching TV
B.
was watching TV D. watches TV
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