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【单选题】
以下选项中关于设备制造过程的持续改进叙述正确的是( )。
A.
持续改进是指增强满足要求能力的循环活动
B.
持续改进是指为消除已发现的不合格或其他不期望情况的原因所采取的措施
C.
持续改进是指为消除潜在不合格或其他潜在不期望情况的原因所采取的措施
D.
持续改进是指设备制造的所有过程结束以后,进行确认、监视、检验和试验而采取的措施
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【单选题】已知0<ω<3,若 ∫ 21 sinωxdx=0,则ω的值是(  )
A.
5π 6
B.
2π 3
C.
π 2
D.
2π 3 或 π 2
【简答题】A.They need to go abroad to learn a foreign language. B.They learn a foreign language mainly to read books and reports in it. C.They'd better learn a foreign language slowly. D.Machines can be of grea...
【单选题】等比数列{a n }中,a 3 =6,前三项和S 3 =∫ 0 3 4xdx则公比q的值为(  )
A.
1
B.
- 1 2
C.
1或- 1 2
D.
-1或- 1 2
【单选题】已知a为常数,则使得 a> ∫ e1 1 x dx 成立的一个充分而不必要条件是(  )
A.
a>0
B.
a<0
C.
a>e
D.
a<e
【简答题】xdx=(a)d( ),则a=( ),b=( );(如果答案是分数请用小数表示)
【简答题】How do people learn body language? The same way they learn spoken language-by observing and imitating people around them as they' re growing up. (6)________. Little boys imitate their fathers or a res...
【单选题】已知 a= ∫ e1 1 x dx ,则 (x- 1 ax ) 6 展开式中的常数项为(  )
A.
20
B.
-20
C.
-15
D.
15
【单选题】How do successful language learners learn language? [ ]
A.
They learn independently, actively, and purposefully.
B.
They learn special techniques from their teachers.
C.
They learn the rules and patterns of the language from books.
D.
They learn to think about the meaning of every new word.
【单选题】The best way to learn a foreign language is to go to the country and learn it from ____ speakers. [     ]
A.
mother
B.
excellent
C.
real
D.
native
【单选题】设a= 4 π ∫ π 2 - π 2 cos 2 xdx,则(a x - 1 x ) 6 展开式中含x 2 项的系数是(  )
A.
-192
B.
-190
C.
192
D.
190
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