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【单选题】
一项试验中所有可能结果的集合称为( )
A.
必然事件
B.
基本事件
C.
简单事件
D.
样本空间
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参考答案:
举一反三
【单选题】Man: By the way, Jane, did you talk to the consultant about our health program? Woman: I contacted his office, but his secretary said he would be out for lunch until two. Question: What does the woman...
A.
She talked with the consultant about the new program until two.
B.
She couldn't talk to the consultant before two.
C.
She would talk to the consultant during lunch.
D.
She couldn't contact the consultant's secretary.
【单选题】在CAXA制造工程师平面轮廓加工参数表中,刀次的含义指的是()
A.
加工次数
B.
每一行刀位之间的距离
C.
加工余量的次数
D.
生成刀位的行数
【单选题】听力原文:M: By the way, Jane, did you talk to the consultant about our health program? W: I contacted his office, but his secretary said he would be out for lunch until two. Q: What does the Woman mean? (...
A.
She couldn't talk to the consultant before two.
B.
She would talk to the consultant during lunch.
C.
She couldn't contact the consultant's secretary.
D.
She talked with the consultant about the new program until two.
【单选题】实习时,我们在用 CAXA 制造工程师软件 自动编程时, 选用( )加工方式生成刀具轨迹。
A.
参数线加工
B.
平面轮廓精加 工
C.
平面区域加工
D.
轮廓线精加 工
【单选题】以下( )是COSPAS-SARSAT系统不能完成的通信任务。
A.
遇险报警与定位
B.
测定遇险船舶的船位
C.
遇险电话通信
D.
接收和转发遇险报警信号
【单选题】Who will Jane talk about next?
A.
Her teacher.
B.
Her father.
C.
Her sister.
【单选题】数控铣床实习时,我们在“CAXA制造工程师”中选用()加工方式生成刀具轨迹。
A.
参数线加工
B.
轮廓线精加工
C.
平面区域加工
D.
平面轮廓精加工
【单选题】Jane wants______ you something about her house. [     ]
A.
to tell
B.
to talk
C.
tell
D.
talk
【判断题】从旗帜广告是否有超级链接的角度,旗帜广告可以分为静态的旗帜广告和动态的旗帜广告。
A.
正确
B.
错误
【单选题】在CAXA制造工程师平面轮廓加工参数表中轮廓补偿选择“TO”,指的是( ).
A.
刀具到轮廓线,刀具右偏
B.
刀具中心线不到轮廓,相差一个刀具半径
C.
刀具中心线与轮廓线重合
D.
刀具中心线超过轮廓,相差一个刀具半径
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