85 Project tradeoffs are usually made by comparing _____ and constraints.
A. Time, cost, and quality
B. Time, risk, and quality
C. Risk, quality, and manpower availability
D. Cost, quality, and technical performance
E. Cost, quality, and risk
第1题:
A decision must be ______immediately _______stop the factory ______waste water without being treated.
A. made, to, pouring
B. made,不填, to pour
C. done,不填, pouring
D. had, to, to pour
参考译文;我们应该立即做一个决定来禁止工厂排放未经处理的污水。“做决定”应该是“make a decision”,故排除C、D。”禁止工厂排放未经处理的污水”是这个决定的目的,故应该用动词不定式“to stop”表目的,综合这两点考虑可知正确答案为A。现在分词“pouring”引导的短语做宾语补足语修饰限制 factory。
第2题:
Most of the environmental problems are man-made.()
第3题:
下列 ______ 是Single型变量。
A.Time%
B.Sheight!
C.Name$
D.cxyz
第4题:
A. Compare
B.To compared
C.Compared
D.Comparing
第5题:
I ()supper when I()someone knocking at the door.
A、made . . . Heard
B、made . . .was heard
C、was making . . . was hearing
D、was making . . . heard
第6题: