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【判断题】
材料采购成本包括材料买价、采购费用,但不包括可以从销项税额中抵扣的增值税。( )A.
正确
B.
错误
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【简答题】The secret of s successful school __________ effective co-operation between professional leadship, the goverment and the local authority.A. lie down B. lie on C. lie to D. lie in
【单选题】They fulfilled the task in _____ it took us. (TEM4-1992-54)
A.
three-fourths time
B.
three-fourth time
C.
three-fourths the time
D.
the three-fourths time
【单选题】Which system has the least effective radius of operation?
A.
HF SITOR
B.
MF NBDP
C.
VHF DSC
D.
NATTEX
【单选题】The secret of a successful school consists in effective co-operation between professional leadership, the government and the local authority.
A.
lies down
B.
lies with
C.
lies in
D.
lies ahead
【单选题】Effective operation within any organization requires an efficient and coordinated flow of _______ throughout the organization.
A.
research
B.
market awareness
C.
information
D.
accounting data
【单选题】Which radio system has the least effective radius of operation?
A.
HF DSC．
B.
MF telex.
C.
NAVTEX.
D.
VHF radio telephone.
【简答题】制备聚乙烯醇的单体是什么?为什么?请写出制备聚乙烯醇工艺流程及各化学反应方程式。
【单选题】The successful operation of any engine or machine and ____ depend on effective lubrication.
A.
their no trouble period
B.
their freely trouble period
C.
its free trouble life
D.
its trouble-free life
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