机械加工工艺,高精度的零件,要选用合适的仪器,量具,并选择适当的测量方法,才能测量出

题型:单项选择题

问题:

机械加工工艺,高精度的零件,要选用合适的仪器,量具,并选择适当的测量方法,才能测量出高精度的尺寸形位和公差,精密零件测量的准确性,可靠性就是机械加工最关键的()。

A、质量问题

B、精度问题

C、效率问题

D、技术问题

考点:高级钳工高级钳工题库
题型:单项选择题
阅读对话,从下列所给的句子中,选出合适的句子补全对话。
Brad: So, Paula, where are you from?   
Paula: I'm from Canada, originally.   
Brad: From Canada? 1.                 
Paula: I was born in Toronto.   
Brad: 2.               
Paula: We moved here when I was fourteen.   
Brad: Did you go to school here?   
Paula: Well, I went to high school here, but 3.                
Brad: Did you get a job right after graduation?   
Paula: No, I traveled for a while in Europe after college, and then 4.               
Brad: When was that?   
Paula: Let's see… That was about six years ago.   
Brad: I bet that was interesting. 5.               
Paula: I studied French. Anyway…that's enough about me. How about you? Were you born in L.A.?
A. Where were you born?
B. When did you come to Los Angeles?
C. Nice to meet you.
D. I went to college in Texas.
E. What did you do there?
F. I lived in France.
题型:单项选择题

在西方教育史上,古希腊智者派所确立的“三艺”是 ( )

A.音乐、修辞学、几何学

B.文法、辩证法、几何学

C.文法、修辞学、天文学

D.文法、修辞学、辩证法

题型:单项选择题

内分泌疾病的诊断主要包括()

A.实验诊断

B.病因诊断

C.病理诊断

D.病状诊断

E.功能诊断

题型:单项选择题

招标代理机构资格不能由( )认定。

A.省的建设行政部门

B.国务院的建设行政主管部门

C.自治区的建设行政主管部门

D.乡镇的行政主管部门

题型:单项选择题

酸蚀面积及时间描述哪项是正确的()。

A.一般为牙尖斜面的1/3,恒牙酸蚀20~30s,乳牙60s

B.一般为牙尖斜面的2/3,恒牙酸蚀20~30s,乳牙60s

C.一般为牙尖斜面的2/3,恒牙酸蚀60s,乳牙30s

D.一般为牙尖斜面的1/2,恒牙酸蚀60s,乳牙60s

E.一般为牙尖斜面的1/2,恒牙酸蚀30s,乳牙30s

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