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【判断题】
起动直流电动机时,励磁回路应与电枢回路同时接入电源。
A.
正确
B.
错误
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举一反三
【单选题】临床微生物的最基本分类单位是:
A.
B.
C.
亚种
D.
E.
【单选题】按照幼儿园工作规程要求,幼儿园班级规模不宜过大,学前幼儿班不超过( )人
A.
20
B.
30
C.
40
D.
50
【单选题】—I wonder why you didn’t take part in the speech contest yesterday afternoon. —I'm terribly sorry, I________ myself.
A.
am conducted
B.
conducted
C.
was conducting
D.
would conduct
【简答题】安全电压取决于人体允许的电流和什么
【单选题】--I wonder why everybody looks at me strangely when I cross the road. --In this city, you have to wait for a walk _____ to cross the road.
A.
signal
B.
symbol
C.
mark
D.
status
【判断题】工作说明书是工作分析人员根据员工必须具备的生理和心理需求进行的详细说明而形成的书面文件。
A.
正确
B.
错误
【单选题】I wonder why American towns look so much alike that I sometimes mix them up in my memory. The standard influence (影响) of mass production whose agents (代理商) are the travelling salesman, the mail-order ...
A.
Bologna and Ferrare.
B.
Aries and Avignon.
C.
St. Louis and Kansas City.
D.
Bologna and St. Louis.
【单选题】及时采购的英文缩写( )
A.
MRP
B.
JIT
C.
CRP
D.
TIJ
【单选题】E5015 焊条型号,“50”的含义是( )
A.
焊芯的抗拉强度不小于490Mpa
B.
熔敷金属抗拉强度为490Mpa
C.
熔敷金属抗拉强度最小值为490Mpa
D.
熔敷金属屈服强度最小值为490Mpa
【简答题】I wonder why she refused my invitation.
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