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【单选题】
对缺氧最敏感的细胞是( )A.
心肌细胞
B.
肺泡上皮细胞
C.
肾小管上皮细胞
D.
肝细胞
E.
脑细胞
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皮皮学刷刷变学霸
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【单选题】小间隙将使磨损增加,甚至使模具与材料之间产生粘结现象,并引起崩刃、凹模胀裂、小凸模折断、凸凹模相互啃刃等异常损坏。为了延长模具寿命,在保证冲裁件质量的前提下适当采用( )的间隙值是十分必要的。
A.
较大
B.
较小
C.
任意
【单选题】Despite the fact that Maria had put on much make-up on her face, the skin on her neck ____ her real age. [ ]
A.
gave out
B.
gave away
C.
gave up
D.
gave off
【简答题】( )是做好导游语言准确性的前提。
【单选题】Despite her illness, Lucy had lost ___of her enthusiasm for life and still made many plans for the future.
A.
neither
B.
both
C.
all
D.
none
【单选题】To her amazement, her son was ________ for her willingness to call and offered an apology of his own. [ ]
A.
grateful
B.
reliable
C.
stubborn
D.
peaceful
【单选题】Despite her professional success, she is always______by her husband.
A.
overtaken
B.
overthrown
C.
overshadowed
D.
overflown
【单选题】Her voice was shaking despite the fact ________ she tried her best to control it.
A.
when
B.
which
C.
where
D.
that
【单选题】The lady was experienced enough to maintain her ______ despite her blunders.
A.
posture
B.
pasture
C.
poise
D.
point
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