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【多选题】
桥梁按其跨越障碍的性质可划分为()。
A.
跨河桥
B.
跨线桥
C.
高架桥
D.
栈桥
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举一反三
【单选题】When the train______, the Cambridge students were surprised to learn that the Oxford track team was composed of one man only.
A.
pulled down
B.
pulled off
C.
pulled in
D.
pulled on
【单选题】(2006年)关于势函数和流函数,下面哪一种说法是错的?( )
A.
当流动为平面势流时,势函数和流函数均满足拉普拉斯方程
B.
当知道势函数或流函数时,就可以求出相应速度分量
C.
流函数存在条件是:满足可压缩流体平面流动的连续性方程
D.
流函数的等值线(即流线)垂直于由势函数等值线组成的等势面
【单选题】From what we read, we know that now Cambridge ______.
A.
is visited by international tourists
B.
is a city of growing population
C.
may have a wall around it
【单选题】When Cambridge was founded ?
A.
12th century
B.
13th century
C.
14th century
D.
15th century
【单选题】关于位移电流,以下表述正确的是
A.
位移电流密度是电位移矢量随时间的变化率
B.
位移电流的本质是载流子的移动
C.
位移电流与位移电压成正比
D.
时变电磁场中,位移电流满足电流连续性方程
【判断题】苏州玄妙观的主殿三清殿是江南一带现存最大的宋代木构建筑。
A.
正确
B.
错误
【单选题】Choose the best answer for each question. 4. From the passage we know that University of Cambridge __________.
A.
is controlled by the local government
B.
is managed by itself
C.
is governed by the British government
D.
is run by its scholars, professors and students
【判断题】苏州玄妙观的主殿三清殿是江南现存最大的宋代木构建筑。答案:
A.
正确
B.
错误
【单选题】My father took the photos ______ we lived in Cambridge.
A.
when
B.
until
C.
though
D.
since
【单选题】有关功能性消化不良下列描述不正确的是()
A.
多见于年轻女性
B.
有消化不良的症候
C.
X线或胃镜检查未见溃疡和胃炎,胃黏膜完全正常
D.
检查未发现肝胆疾病
E.
主要依据临床表现与消化性溃疡相鉴别
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