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【单选题】
数控刀具的刀位点就是在数控加工中的（）。A.
对
B.
刀架中心点
C.
代表刀具在坐标系中位置的理论点
D.
换
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反馈参考答案：
举一反三
【单选题】张先生,70岁。糖尿病病史10年,以往无心悸、胸痛史,今日早餐后1小时,突然胸闷明显,面色苍白,烦躁,出汗,恐惧感,2小时未缓解。护理体检:心率100次/分,血压86/60mmHg,最可能诊断为
A.
糖尿病酸中毒
B.
不稳定型心绞痛
C.
低血糖
D.
急性心肌梗死
【单选题】Father went to his doctor for _____ about his hearing trouble. [ ]
A.
an advice
B.
advice
C.
advices
D.
the advices
【单选题】一条生产可能性曲线是用来表示
A.
一个经济社会将决定的生产两种商品的精确数量。
B.
一个经济社会能够生产的两种商品的组合
C.
一个经济社会利用现有资源所能达到的两种产品的最大产出组合
D.
一个经济社会在两种商品之间所做的选择
【单选题】寻找顾客的程序:
A.
获得潜在准顾客→确定准顾客 →制定拜访计划
B.
发现准顾客→获得准顾客→准顾客资格审核→确定准顾客→制定拜访计划
C.
发现准顾客→确定准顾客→制定拜访计划
D.
获得准顾客→准顾客资格审核→确定准顾客→制定拜访计划
【单选题】---- Did he give you advice on your work yesterday? ---- Yes. But his advice, as a matter of fact, ______ my difficulty.
A.
used to
B.
related to
C.
added to
D.
belonged to
【单选题】某企业持有一张2013年2月28日签发、期限为90天的商商业汇票。该商业汇票的到期日为( )
A.
2019-05-28
B.
2019-05-29
C.
2019-05-30
D.
2019-05-31
【单选题】It can be concluded from the text that ______.
A.
his father's advice helped him to decide which job to take up
B.
working in the sports team was his most important experience
C.
he learnt much from his shared experience with his team members
D.
his experience as a baggage boy had a great influence on his later life
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