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三、Cloze(30 points)
21、根据下列材料回答21-35 题。
　　Directions：For eachBlank in the following passage，there are four choices markedA，B，C andD．Choose the one that is most suitable and mark your answerByBlacken-ing the corresponding letter on ANSWER SHEET I．
　　Research shows thatBy using computers，studentsBecomeBetter problem solvers andBet—ter communicators．Over a network，using ___21___ and sharing flies，students have the chanceto collaborate and work ___22___ with other classmates，peers，and teachers．Networking elec—tronically can 23 learners create，analyze，and produce information and ideas more24 and efficiently．Networking people“put the inspiring and usable set of tools ___25___reach of the mass of computer ___26___ ，empowering them to___27___ Beyond simply processinginformation toDesign，publish，and express”(Mello，1996)．Through this ___28___electronicaccess to the world around them，students’social awareness and ___29___ increase．Networking___30___them from the limitations of ___31___writing tools that often inhibit and restrict writingprocesses．Learning is then___32___from a traditional passive—listening exercise to an experi-ence ofDiscovery，exploration，and excitement．Students canBegin to ___33___ their full poten—tial when __34__ are empowered to contribute and collaborate as a team to accomplish theirwriting tasks 35 effectively．
（　）
A．1etter
B．e-mail
C．book
D．message


22、 （　）
A．alone
B．forward
C．together
D．along


23、 （　）
A．help
B．lead
C．give
D．force


24、 （　）
A．hard
B．easily
C．helpfully
D．greatly


25、 （　）
A．to
B．of
C．under
D．within


26、 （　）
A．1earners
B．programs
C．users
D．tools


27、 （　）
A．go
B．went
C．do
D．did


28、 （　）
A．decreased
B．raised
C．fell
D．increased


29、 （　）
A．confidence
B．consideration
C．convenience
D．conscience


30、 （　）
A．free
B．frees
C．stop
D．stops


31、 （　）
A．modem
B．contemporary
C．new
D．traditional


32、 （　）
A．moved
B．passed
C．transformed
D．transfer


33、 （　）
A．see
B．realize
C．dream
D．develop


34、 （　）
A．he
B．it
C．they
D．her


35、 （　）
A．better
B．less
C．more
D．worse