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【单选题】
以下关于 Python 的控制结构，正确的是：（）A.
每个 if 条件后要使用冒号：
B.
在 Python 中，有 switch-case 语句
C.
Python 中的 break表示退出分支
D.
elif 可以单独使用
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【单选题】听力原文： Advertising is the tool that has always been used to convince the public to buy products. In the beginning, it was a basic and crude tool. Craftsmen cried out to passers-by, telling the quality ...
A.
By door to door advertising.
B.
By using symbols.
C.
By verbal announcements.
D.
By written messages.
【简答题】第一节 磁是什么练习.doc 手写拍照上传
【简答题】如果流产,要选择哪种方式?
【单选题】What does the professor mentioned ancient Romans?
A.
To explain that they didn't paint the walls and ceiling of buildings.
B.
To point that they first made the term "fresco" popular.
C.
To make the point that frescoes were created before the Renaissance.
D.
To introduce an important difference between ancient art and Renaissance art.
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