皮皮学,免费搜题
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【简答题】
随着科学技术的发展,液力机械变速器和机械式无级变速器在汽车上,特别是在轿车上的应用越来越广泛。试述两种变速器具有的优缺点,并描述液力耦合器与液力变之间的相同点与不同点。
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【单选题】恐龙不生活在以下哪个地质年代?
A.
白垩纪
B.
侏罗纪
C.
三叠纪
D.
二叠纪
【单选题】血浆蛋白减少引起的水肿,主要是因为( )。
A.
毛细血管通透性增加
B.
组织液胶体渗透压升高
C.
血浆胶体渗透压减小
D.
毛细血管血压增高
【判断题】血浆蛋白减少引起的水肿,主要是因为血浆胶体渗透压减小。
A.
正确
B.
错误
【简答题】Many agers owe the pictures of some football stars because______.A. they are interested in football B. they are football fans C. they think their favorites players are great D. all of A,B and C
【单选题】阵发性室上性心动过速患儿,病因多由于:( )
A.
无器质性心脏病
B.
先天性心脏病
C.
预激综合征
D.
心肌炎
E.
心内膜弹力纤维增生症
【单选题】阵发性室上性心动过速患儿的病因多由于()
A.
先天性心脏病
B.
预激综合征
C.
心肌炎
D.
心内膜弹力纤维增生症
E.
无器质性心脏病
【单选题】They a football game in this stadium the day after tomorrow.
A.
are watching
B.
watch
C.
will watching
D.
are going to watch
【单选题】By this time tomorrow they a football match.
A.
will be watching
B.
watches
C.
is watching
D.
is going to watch
【单选题】They played football their friends. [     ]
A.
with
B.
for
C.
and
【单选题】They a football game from 7 to 9 last night
A.
were watching
B.
watch
C.
watched
D.
are watching
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