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【单选题】
钢筋和混凝土是两种性质不同的材料,它们能共同工作,其原因下面叙述错误的是()
A.
钢筋和混凝土之间存在着粘结力,能将二者牢固结成整体,受力后变形一致。
B.
钢筋和混凝土的温度线膨胀系数大致相同,温度变化时不会因应变相距过大而破坏两者之间的粘结。
C.
混凝土对钢筋的包裹,可以防止钢筋锈蚀,从而保证了钢筋混凝土构件的耐久性
D.
钢筋的强度大,刚度小,与混凝土结合后,其受力和变形更合理。
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举一反三
【单选题】Hot ________ the night air was, we slept deeply because we were so tired after the long journey. [     ]
A.
although
B.
as
C.
while
D.
however
【单选题】We were deeply impressed by the schools and teachers________ we had visited there.
A.
where
B.
which
C.
that
D.
who
【单选题】急性肾小球肾炎合并循环衰竭,首选药物是( )
A.
强心药物:毛花苷C
B.
降压药:硝苯地平
C.
利尿药:呋塞米
D.
扩血管药:硝普钠
E.
抗感染药:青霉素
【多选题】关于握手礼,以下说法正确的是()。
A.
初次见面握手时间应控制在 3 秒钟内
B.
行握手礼,忌讳用右手与他人握手
C.
行握手礼,可以一脚门里一脚门外与他人握手
D.
男性不可带手套与他人握手,女性可带薄手套与他人握手
E.
为表示亲热,可边握手边拍对方肩头
【单选题】We were deeply impressed by the rich variety of imported cars ______.
A.
on display
B.
in display
C.
for display
D.
to display
【单选题】The story he told us was very________and we were________.
A.
moving;deeply moved
B.
moved;deeply moving
C.
moving;moved deep
D.
moved;moving deep
【多选题】药品广告不得含有
A.
不科学的表示功效的断言或保证
B.
国家机关的名义和形象
C.
专家的名义和形象
D.
医师的名义和形象
【单选题】When we heard of it, we were deeply _________.
A.
moved
B.
moving
C.
move
【单选题】急性肾小球肾炎出现高血压脑病时首选的降压药物是
A.
硝苯地平
B.
利血平
C.
硝普钠
D.
卡托普利
E.
普萘洛尔
【单选题】We were deeply impressed by her important ______ to the success of the project.
A.
work
B.
determination
C.
improvement
D.
contribution
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