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【简答题】
Python语句print(len({ }))的输出结果是( )。
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【简答题】Anna is calling to ask for ____________________________________ No. 665.
【简答题】听力原文：F：Hello，this is Anna Beara from Excellerator Co．calling．May I speak to Mr．Mitche? M：Hello Ms．Beara，this is Arthur Mitchell． F：Hello，I'd like to place an order for a number of your Millennium desk...
【单选题】— Do you know Anna's telephone number? — _____. As a matter of fact, I don't know any Anna, either. [ ]
A.
I think so
B.
I'm afraid not
C.
l hope so
D.
I'd rather not
【单选题】— Do you know Anna's telephone number? — ______. As a matter of fact, I don't know any Anna, either. [ ]
A.
I hope so
B.
I think so
C.
I'm afraid not
D.
I'd rather not
【简答题】某水库大坝为混凝土拱坝，总库容为0.75×10 8 m 3 ，正常蓄水位为378.00m，消能防冲设计洪水位为380.00m，设计洪水位为382.00m，校核洪水位为383.00m。泄流方式采用短有压深式泄水孔(喇叭形进口)，共3孔，每孔净宽(出口净宽)为3.00m，出口孔底高程为350.00m，出口孔顶高程为353.00m；以1:3的坡度下接消力池，消力池宽度为15.00m，消力池底板顶高程为3...
【单选题】--- Do you know Anna’s telephone number? --- ______. As a matter of fact, I don’t know any Anna, either.
A.
I think so
B.
I hope so
C.
I’d rather not
D.
I am afraid not
【简答题】用动词be的适当形式完成句子。 1.—______ Guo Peng your brother? —No, he isn't. 2. Anna and Alice ______ my good friends. 3. These ______ our teachers. They are all here. 4. The boy ______ Paul. The girl ______ Mary....
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