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【单选题】
下列是多行注释的符号是()A.
4
B.
//
C.
/
D.
/*
E.
/**/
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【单选题】听力原文：W: If you are in a hurry you can take the underground. If you have enough time, take a bus to the Great Wall. It's wonderful. M: The meeting will not be open until tonight. I'm free this afternoo...
A.
Take the underground.
B.
Visit the museum.
C.
Attend the meeting.
D.
Go to the Great Wall.
【简答题】The 2012 London Olympic s will be held on July 28 th . Do you have time to go there? If you do, maybe you will meet some foreign friends. But do you know their characteristics(特征)? The Germans are...
【简答题】Writing: Suppose you are Peter. Write an email to your English teacher, Miss Li , according the situation. Situation : Your English teacher has told you that you will write a test on Monday, but you h...
【单选题】下列Python程序的运行结果是( )。
A.
=[4,5,6]
B.
=s1
C.
[1]=0
D.
int(s2)
E.
[4, 5, 6]
F.
[4, 0, 6]
G.
[0, 5, 6]
H.
[4, 5, 0]
【简答题】什么叫一级反应？写出一级反应动力学方程式和以转化率表示的动力学方程式。
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