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【单选题】
以下不正确的定义语句是A.
double x[5]={2.0，4.0，6.0，8.0，10.0}；
B.
int y[5]={0，1，3，5，7，9}；
C.
char cl[]={'1'，'2'，'3'，'4'，'5'}；
D.
char c2[]={'/x10'，'/xa'，'/x8'}；
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【单选题】哪个选项对 turtle.done() 的描述是正确的?
A.
turtle.done() 放在代码最后，是 turtle 绘图的必要要求，表示绘制完成
B.
turtle.done() 用来暂停画笔绘制，用户响应后还可以继续绘制
C.
turtle.done() 用来隐藏 turtle 绘制画笔，一般放在代码最后
D.
turtle.done() 用来停止画笔绘制，但绘图窗体不关闭
【单选题】To pr accidents from occurring, special valve chests are used in such cases in which interchangeable blanks and connecting passages are incorporatedThe bold and italic word “which” means _____.
A.
accidents
B.
special valve chests
C.
interchangeable blanks
D.
connecting passages
【单选题】According to the announcement, which of the following is true of special summer hours for the library?
A.
It has them only on the weekends.
B.
It has them both weekdays and weekends.
C.
It has no special summer hours.
D.
This information is not available.
【单选题】哪个选项对turtle.done()的描述是正确的?
A.
turtle.done()用来暂停画笔绘制,用户响应后还可以继续绘制
B.
turtle.done()用来停止画笔绘制,但绘图窗体不关闭
C.
turtle.done()放在代码最后,是turtle绘图的必要要求,表示绘制完成
D.
turtle.done()用来隐藏turtle绘制画笔,一般放在代码最后
【简答题】When language is use and for establishing atmosphere or maintaining social contact rather than exchanging information or ideas, its function is ____________function.
【单选题】According to the announcement which of the following is true of special summer hours for the library?
A.
It has them only on the weekends.
B.
It has them both weekdays and weekends.
C.
It has no special summer hours.
D.
The information is not available.
【判断题】When language is use to ger information from others, it serves an informative function.
A.
正确
B.
错误
【单选题】According to the announcement，which of the following is true of special summer hours for the library?
A.
It has them only on the weekends．
B.
It has them beth weekdays and weekends．
C.
It has no special summer hours．
D.
This information iS not available．
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