A since B if C before D as

A.visible

B.valid

C.transform

D.worthwhile

A.Rarely have I seen this befor

B.Rarely before have I seen this.

C.Rarely have I seen before this.

D.Rarely I have seen this befor

A.In half an hour.

B.An hour befor

C.Until the next on

D.Before another on

A.I have never had it befor

B.Who cooked it？

C.I enjoyed it very muc

D.You must have spent all day cookin

E.

The shopkeepers are complaining that business has been reduced to a () of what before the outbreak of war.

A fraction

B section

C portion

D trifle

A.per value

B.par value

C.value face

D.facial value

● (66) from one phase are usually reviewed for completeness and accuracyand approved before work starts on the next phase.

A.Process

B.Milestone

C.Work D．

Deliverables

A．It tells you that you have failed and your hypothesis is useless．

B．During the experiment stage the supposition should be constantly modified and reviseD

C．It means that the experiment has brought some new facts to light that maybe you hadn’t thought about befor

E．

A．You will not become broadly educated people,and may not find the passion that will shape your future

B．You will not become very successful．

C．You will not take any courses in fields you’ve never tried befor

E．

E．

B．The government has taken some effective measures to promote the development of E-commerce in ChinA．

C．many advantages of shopping online push Chinese consumers to buy things onlin

E．

D．Chinese are becoming poorer and poorer.

Jimis only a second-class tennis player but he is always showing off his skills before us.

A)吉姆只是个候补选手，但他总认为他的技术应排在我们之前。

B)吉姆只是个二流网球手，但他老在我们面前炫耀他的球技。

C)吉姆是二班的网球手，他总爱在我们面前展示他的球技。

D)吉姆仅仅是个二流网球手，但他老在我们面前表演他的球技。

E)吉姆是二班的网球手，他总爱在我们班表演他的球技。