【单选题】When the train______, the Cambridge students were surprised to learn that the Oxford track team was composed of one man only.
【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 ?
【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。
【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
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:
【单选题】My father took the photos ______ we lived in Cambridge.
【单选题】有关功能性消化不良下列描述不正确的是()
C.
X线或胃镜检查未见溃疡和胃炎,胃黏膜完全正常