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【判断题】
为了促进风险投资者了解产品或服务，可以多阐述原理和技术，少说明功能和特点。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】从理论上讲,闭合水准路线各测段高差代数和应等于( )。
【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】哪个选项对turtle.done()的描述是正确的?
A.
turtle.done()用来隐藏turtle绘制画笔,一般放在代码最后
B.
turtle.done()放在代码最后,是turtle绘图的必要要求,表示绘制完成
C.
turtle.done()用来暂停画笔绘制,用户响应后还可以继续绘制
D.
turtle.done()用来停止画笔绘制,但绘图窗体不关闭
【单选题】According to the announcement, which of the following is tree 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()放在代码最后，是turtle绘图的必要要求，表示绘制完成
B.
turtle.done()用来隐藏turtle绘制画笔，一般放在代码最后
C.
turtle.done()用来停止画笔绘制，但绘图窗体不关闭
D.
turtle.done()用来暂停画笔绘制，用户响应后还可以继续绘制
【单选题】According to the announcement which of the following is tree 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.
【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.
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