【单选题】
已知A、B、C三点坐标分别为(10、20、30)(20、40、60)、(30、60、90),则A、B、C三点______。
①
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②
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④
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无法判断
【单选题】
已知三点A(10、20、15)、B(10、0、30)、C(0、10、0),则在坐标面上的点为______。
①
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7.8 磅
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A、B、C三点
②
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B点
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B、C两点
④
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C点
【判断题】
自古以来,鹿苑茶制作工艺的传承方式都是在家庭和亲友之间传承。父带子、老带新、口口相传、手把手教、代代承袭。有宗派之分,有严格的师徒名份。
【多选题】
语法的教学,教师要注意三点,包括( )
【多选题】
下列对工匠精神内涵的表述,正确的有()。
【判断题】
工匠精神是在传统工艺的基础上不断创造新工艺、新技术的过程。
【单选题】
柱斜向布置中三点共弧是指( )三者共弧。
【单选题】
若变量已正确定义,有以下程序段int a=3,b=5,c=7;if(ab)a=b;c=a;if(c!=a)c=b;;printf(%d,%d,%d\na,b,c)其输出结果是