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Unit 1 Living Green B2-U1 Quiz

1、 Which of the following can be referred to as a time signal?

A:after that
B:as a result
C:after all
D: in a word
答案: after that

2、 Inspectors were appointed to _ into the affairs of the company.

A:require
B:inquire
C:acquire
D:request
答案: inquire

3、 Which of the following is a synonym of the verb “haul”?

A:to

第1周第1周单元测验

1、以下哪个程序相对较优：

答案: import math #导入math库r=eval(input(‘请输入半径：’)) #输入球半径v=(4/3)math.pimath.pow(r,3) #计算球体积print(‘球体积为：’,v) #输出球体积

2、在IDLE的文件式运行环境下，执行程序的快捷键为：

答案: F5

3、以下不能用于计算a的4次方的表达式是：

答案: a4

4、执行以下程序后，a和b的值分别为：a=1b=aa=a-b

答案: 0 1

5、执行以下程序后，a和b的值.