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三、选词填空,必要时改变形式。(appreciate, apologize, refuse, grateful, log in, helpful, serve) 1) I’m afraid I have to ________your demand for free shipping. 2)I ________ for the mistake I made. I’ll send you a new one immediately. 3) The webpage is blank because there is something wrong with the ________. 4) I’m ________ that you send me the excel document. 5) If this email address is incorrect, please try to ________ again with the account and password you’ve just used to sign up. 6) I’d ________ it if you could give me some ideas of the gloves that are popular in your country. 7) Thanks for your suggestion on the product design. It’s very ________.
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【单选题】－What are you going to be when you grow up? －I’m going to be _____ English teacher in ______ university.
A.
a, the
B.
an, an
C.
an, a
D.
the, an
【单选题】流体运动的不稳定性,是指
A.
液体可以蒸发成气体也可以凝固成固体的特性
B.
某种运动状态的流体运动受到扰动后，不能恢复到原来运动状态的特性。
C.
液体可以和其他液体、固体混合的特性
D.
水往低处流的特性
【简答题】西班牙人文主义文学的巅峰是塞万提斯的《 》这部小说。
【单选题】— What are you going to be? — _______________________ [ ]
A.
He is going to be an actor.
B.
She is going to be a teacher.
C.
I am going to be an engineer.
【简答题】湍流时，管道截面上某一点（欧拉考察法）流经的质点运动速度大小和方向具有不确定性，有轴向速度，还有径向速度，是一合成速度，且该点的速度具有不稳态性，因此管内的湍流流动应该是不稳定过程，然而，由于在用欧拉法考察流体内某一确定点的速度时，湍流的（）速度在一定的时间范围内却具有不变的数值，所以管内的湍流可以是稳态的。
【单选题】— What are you going to be after you finish college? — I'm going to be a singer, but my parents me to be a doctor. [ ]
A.
hope
B.
want
C.
make
D.
let
【单选题】— ______________________ — This afternoon. [ ]
A.
Where are you going?
B.
What are you going to do?
C.
When are you going?
D.
What's your name?
【单选题】Ce matin, nous avons cours _______ huit heures ______ dix heures.
A.
de, à
B.
à, de
C.
du, au
D.
au, du
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