题目内容（请给出正确答案）

[单选题]

A computer is _useful invention in _ world.

A.an...the

B.a...the

C.the...the

D././

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更多“A computer is ___useful invent…”相关的问题

第1题

There was a time when parents who wanted an educational present for their children wou

ld buy a typewriter, a globe or an encyclopedia set.Now those ____1____ seem hopelessly old-fashioned: this Christmas, there were a lot of ____2____ computers under the tree.____3____ that computers are the key to success, parents insist that children ____4____ taught to use them in school as early as possible.

The problem for schools is that when it ____5____ computers, parents do not always know best and are eagerly urging the schools to offer computer courses as soon as possible.Many schools are ____6 ____ parental impatience and are purchasing hardware hastily ____7____ good educational planning, saying “Ok, we’ve moved into the computer age.” Teachers ____8____ themselves caught in the middle of the problem between parental pressure and ____9____ educational decisions.

Educators do not even agree ____10____ how computers should be used.A lot of money is going for computerized educational materials ____11____ can be taught ____12____ with pencil and paper.Even those who believe that all children should ____13____ to computer warn that there are potential ____14____ to the very young.The temptation of the computer is so strong that young children who quickly ____15____ themselves to it are never aware how much time they have ____16____ on it.

There are some other problems.____17____ every school can afford to go into computing, and there is a division ____18____ the haves and have-nots.Very few parents ask ____19____ computer instruction in poor school districts, ____20____ there may be barely enough money to pay the reading teacher.

(1).A.items B.toys C.sets D.series

(2).A.private B.children C.school D.personal

(3).A.Giving B.Providing C.Convinced D.Believed

(4).A.was B.be C.are being D.were

(5).A.talks about B.comes to C.turns to D.mentions to

(6).A.ignoring B.blaming

C.yielding to D.turning a deaf ear to

(7).A.without B.with C.through D.for

(8).A.rely on B.relax C.free D.find

(9).A.wise B.clever C.slow D.enough

(10).A.on B.with C.to D.about

(11).A.however B.where C.what D.which

(12).A.equally B.in the same way C.just as well D.not as well

(13).A.be open B.have access C.look D.turn

(14).A.approaches B.exposures C.problems D.means

(15).A.adopt B.keep C.adapt D.devote

(16).A.cost B.spent C.taken D.paid

(17).A.Nor B.Not C.No D.Any

(18).A.among B.amid C.amidst D.between

(19).A.for B.against C.to buy D.to use

(20).A.due to that B.in any case C.although D.where

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第2题

The computer revolution may swell change society ？

The computer revolution may swell change society as ______ as did the Industrial

Revolution.

A) certainlyB) insignificantlyC) fundamentally

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第3题

--Again, my computer doesn't work.--_____must be something wrong with the CPU.

A.There

B.That

C.It

D.This

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第4题

Do you think _______ necessary ________ computer？

A.this, learn

B.it, learn

C.this, to learn

D.it, to learn

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第5题

Thinking about a new computer system is an opportunity to reexamine a business and th

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第6题

He decided to make further improvements on the com

puter's design _____ the light of the requirements of customers.

(A) on (B) for (C) in (D) with

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第7题

The computer has been programmed to calculate the gross profit（)on all sales.

A.margins

B.mark

C.marks

D.margin

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第8题

He （)the technical skill in computer while working in the company.

A.made up

B.picked up

C.took up

D.brought up

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第9题

With the spread of vast computer data banks, it will soon be possible to _____individuals walking alone a street, whether or not they have committed a crime.

A.identify

B.embody

C.substitute

D.picture

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第10题

The computer （) less than ten thousand yuan.

A.spent

B.paid

C.cost

D.take

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