A _____ estimate prepared from layouts, sketches and flowsheets, should be accurate within (-10, +25%).
A . Parametric
B . Definitive.
C . Budget
D . Bottom up.
E . Top down.
第1题:
A. preparing
B. prepared
C. prepare
D. to prepare
第2题:
A.Implement
B.Design
C.Prepare
D.Operate
第3题:
______ it rain tomorrow moring, the loading ______.
A.Should / will be postponed
B.If / shall be postponed
C.Should / would be postponed
D.If / has to be postponed
第4题:
A.implement
B.design
C.prepare
D.operate
第5题:
________ the vessel have no safety radiotelegraphy certificate at the time of her delivery,she ________ be held to be unseaworthy.
A.If/may
B.Will/shall
C.Should/would
D.Would/should
第6题: