法兰按照其结构形式和压力不同，可分为()。

Enhancing a software product may consume(73)percent of the total life-cycle effort.

A．80

B．30

C．50

D．42

Software()activities consume a large portion of the total life-cycle budget．

A．repair

B．maintenance

C．change

D．update

Software()activities consume a large portion of the total life-cycle budget．

A．repair

B．maintenance

C．change

D．update

●Software（73）activities consume a large portion of the total life-cycle budget.

（73）

A.repair

B.maintenance

C.change

D.update

●Software（73）activities consume a large portion of the total life-cycle budget.

（73）

A.repair

B.maintenance

C.change

D.update

●Software (75)occurs following delivery ofa software product to the customer.

(75)

A.analysis

B.design

C.implementation

D.maintenance

People are more (11) to consume a product

A.probable

B.likely

C.possible

D.sure

A．analysis

B．maintenance

C．design

D．implementation

It may be implied in the passage that ______.

A．hardware is more important than software

B．hardware is less important than software

C．hardware is as important as software

D．Hardware is more expensive than software

The first paragraph tells us that________.

A．Visionics produced the best face-recognition software enhancing airport security

B．Visionics's stocks rose in price

C．the airports were satisfied with the software

D．Visionics's software was a great success