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【简答题】
当流体在直湍流时,随着雷诺数的增大,如下结论正确的有几个( ) A. 摩擦系数减小 B.层流内层变薄; B. 近壁处速度梯度减小 D.流体湍动程度增大 C. 1 D. 2 E. 3 F. 4
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【简答题】信息匹配 （共5小题；每小题2分，满分10分） 请阅读下列餐馆的信息 A.Pasta House --- New Italian restaurant located in the heart of the city. but delicious inexpensive meals. Also has a good range of vegetable-only meals. It'...
【简答题】A. It' s quiet in the restaurant. B. The price is high in the restaurant. C. The restaurant serves good food. D. The restaurant is too far from their school.
【简答题】Never keep company with _________ persons.
【单选题】Which restaurant has a discount today?
A.
Seafood Restaurant.
B.
Sichuan Restaurant.
C.
A western restaurant.
D.
Xingfu Restaurant.
【单选题】Which restaurant will they go?
A.
Seafood Restaurant.
B.
Sichuan Restaurant.
C.
A western restaurant.
D.
The school canteen.
【简答题】What is the offer of the restaurant? The offer of the restaurant is______.
【简答题】A．Italian restaurant. B．Chinese restaurant. C．Japanese restaurant. D．School gate.
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