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【简答题】
企业某种产品去年实际成本为450元，本年计划降低4%，实际降低了5%，则成本降低计划超额完成程度为（ ）。
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举一反三
【单选题】按照《建设工程质量保证金管理暂行办法》规定,对于在缺陷责出现承包人原因造成的工程质量缺陷,下列关于承包人质量责任的说法正确的是( )。
A.
承包人履行维修义务并承担维修费用的，免除其对缺陷损失的赔偿责任
B.
承包人不履行维修义务也不承担维修费用的，不免除其对缺陷损失的赔偿责任承包人对因质
C.
量缺陷造成的一般损失承担赔偿责任
D.
承包人应当负责维修但不承担维修费用
【单选题】It was very kind of you to do the washing-up but you _____ it
A.
needn’t do
B.
shouldn’t do
C.
mustn’t have done
D.
needn’t have done
【单选题】It was very kind of you to do the washing up, but you ____ it.
A.
mustn’t have done
B.
wouldn’t have done
C.
mightn’t have done
D.
didn’t have to do
【单选题】锆石是双折射率为 ________ ,加工设计时应使台面 _________ 。( )
A.
0.39 ，∥ C 轴
B.
0.39 ，⊥ C 轴
C.
0.039 ，∥ C 轴
D.
0.039 ，⊥ C 轴
【简答题】It was very kind of you to do the washing-up, but you ________ it. A) mustn’t have done B) wouldn’t have done C) mightn’t have done D) didn’t have to do
【单选题】–What does the ________ mean? --It is a place to live in space.
A.
astronaut
B.
space station
C.
apartment
D.
rocket
【简答题】10. Teddy and I love
classical music. (They, We) like to attend concerts together.
【单选题】NASA is casting a wider net in the space shuttle investigation as to what caused the spacecraft to swing out of control and ______ moments before it was to land.
A.
disassemble
B.
disembark
C.
disintegrate
D.
disinherit
【简答题】What is the relationship between a sample space and a state space?A. A sample space is related to 1 r.v. whereas a state space is for a stochastic process. B. A r.v. is a function that maps the sample...
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