皮皮学,免费搜题
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【判断题】
存货管理的目标是在保证生产和销售需要的前提下,最大限度地降低存货成本
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】—You'd better not eat too much salt. It's bad for your  health — . [     ]
A.
Not at all
B.
You're welcome
C.
It doesn't matter
D.
Thanks for your advice
【单选题】The cake tastes ______ .You'd better not eat it.
A.
good
B.
bad
C.
nice
D.
well
【单选题】若 lo g 2 a x 1 =lo g a x 2 =lo g (a+1) x 3 >0(0<a<1) ,则x 1 ,x 2 ,x 3 的大小关系是(  )
A.
x 3 <x 2 <x 1
B.
x 2 <x 1 <x 3
C.
x 2 <x 3 <x 1
D.
x 1 <x 3 <x 2
【单选题】多项式-3x 2 +6x 3 +1-x按字母x的降幂排列的是(  )
A.
1-x-3x 2 +6x 3
B.
6x 3 -x-3x 2 +1
C.
6x 3 -3x 2 -x+1
D.
6x 3 +3x 2 +x-1
【简答题】远离皮肤的部分称为
【单选题】一组数据x 1 ,x 2 ,x 3 ,x 1 ,x 1 的平均数是(  )
A.
3x 1 +x 2 +x 3
B.
x 1 + x 2 + x 3 3
C.
3x 1 + x 2 + x 3 5
D.
3(x 1 + x 2 + x 3 ) 5
【单选题】方程x(x-3)=x-3的解是(  )
A.
x=3
B.
x 1 =0,x 2 =3
C.
x 1 =1,x 2 =3
D.
x 1 =1,x 2 =-3
【单选题】若除式是x 2 -x+1,商式是x+1,余式是3x,则被除式是(  )
A.
x 3 +3x+1
B.
x 3 +3x-1
C.
x 3 -3x+1
D.
x 3 -3x-1
【单选题】You'd better not eat________before a blood test.
A.
anything
B.
something
C.
nothing
D.
everything
【单选题】SpeakerA: You'd better not eat too much salt. SpeakerB: ______
A.
Thank you for your advice.
B.
No, thanks.
C.
Yes, I won't.
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