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【简答题】
9 16 的平方根是______；81的算术平方根是______； 81 的平方根是______．
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反馈参考答案：
举一反三
【简答题】将编写的加工程序,写上班级、学号、姓名拍照上传 2、编写程序要采用G71复合循环,不能一刀切 3、编写程序要体现四步法 一? 二? 三? 四?
【简答题】刀具从起点移动到终点,进给速度为200mm/min。 (1)用绝对编程编写程序段; (2)用增量编程编写程序段。
【单选题】—____ is Qi Baishi? —A famous Chinese painter. He is ____ his great Chinese painting. [ ]
A.
How, famous as
B.
What, famous with
C.
Who, famous for
D.
Who, famous in
【简答题】If you are asked to name some national emblems of China, the dragon will probably be one of the famous images that pop into your head. We Chinese often consider ourselves 'the descendants（后代）of the dr...
【单选题】The main purpose of announcing the above events is to give information about ______.
A.
famous directors
B.
Chinese prize winners
C.
things to do in spare time
D.
prices to pay for the performances
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