【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)
C.
three-fourths the time
D.
the three-fourths time
【单选题】Which system has the least effective radius of operation?
【单选题】The secret of a successful school consists in effective co-operation between professional leadership, the government and the local authority.
【单选题】Effective operation within any organization requires an efficient and coordinated flow of _______ throughout the organization.
【单选题】Which radio system has the least effective radius of operation?
【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.
【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