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举一反三
【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
【简答题】PART III Reading Comprehension Task 4 54
【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。
【判断题】A very clear and effective supply chain emphazises the importance of individual production units and effective operation of every single system.
A.
正确
B.
错误
【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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