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【简答题】
劳动力市场的性质是( )。
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【单选题】Most creative ideas are laughed at when they are first _____. [     ]
A.
put away
B.
put off
C.
put through
D.
put forward
【单选题】The new model of the car was put into production in 2007, ______ helped to provide another 1400 jobs.
A.
that
B.
when
C.
what
D.
which
【单选题】The theory was attacked when it was first       , but gradually it was accepted.
A.
put up
B.
put down
C.
put forward
D.
put away
【单选题】一标准安装的渐开线外啮合标准直齿圆柱齿轮机构。已知传动比i12=1.5、中心距a=200mm、模数m=4mm、α=20°、ha*= 1。试计算该对齿轮的da1、da2
A.
d a 1 = 168mm d a 2 = 248mm
B.
d a 1 = 165mm d a 2 = 250mm
C.
d a 1 = 180mm d a 2 = 280mm
D.
d a 1 = 150mm d a 2 = 240mm
【单选题】一标准安装的渐开线外啮合标准直齿圆柱齿轮机构。已知传动比i12=1.5、中心距a=200mm、模数m=4mm、α=20°、ha*= 1。试计算该对齿轮的df1、df2
A.
d f1 = 150mm d f2 = 230mm
B.
d f1 = 158mm d f2 = 235mm
C.
d f1 = 160mm d f2 = 240mm
D.
d f1 = 155mm d f2 = 235mm
【单选题】your book, and do your work first. You may read it later.
A.
Put out
B.
Put away
C.
Put up
D.
Put on
【判断题】纵梁是在车身前部底下延伸的箱形截面梁,通常是承载式车身上最坚固的部件。()
A.
正确
B.
错误
【单选题】某地区有一个空调生产企业,由一个公司总部和三个车间组成。2008年该公司共生产空调5万台,其中售出4万台,每台平均出厂价为1500元。全年制造成本及各项费用3000万元,其中职工工资500万,原材料、能源、广告费等物质和非物质消耗2000万元,应交增值税500万。该地区统计部门在2008年度工业统计时将计算该企业的相关指标。 根据上述资料,计算并回答以下问题,在备选答项中选取正确答案。 该企业总...
A.
6000
B.
7500
C.
8000
D.
8500
【单选题】What should the woman do first?
A.
Put in the money.
B.
Put in the soap powder.
C.
Put in the washing.
【单选题】一标准安装的渐开线外啮合标准直齿圆柱齿轮机构。已知传动比i12=1.5、中心距a=200mm、模数m=4mm、α=20°、ha*= 1。试计算该对齿轮的d1¢、d2¢。
A.
d 1 ¢ = 160mm d 2 ¢ = 240mm
B.
d 1 ¢ = 165mm d 2 ¢ = 245mm
C.
d 1 ¢ = 166mm d 2 ¢ = 248mm
D.
d 1 ¢ = 168mm d 2 ¢ = 250mm
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