下列文段摘自一位中学生的习作。画线的句子有语病，请提出修改意见。

　　在学习和生活中，人们难免会遇到各种各样的挫折，当然，①挫折会因人们对待它的态度的不同而给人们带来不同结果。有人会因为挫折而激起旺盛的斗志，②最终成就一番理想；也有人会因为一次挫折而灰心丧气，一蹶不振，③沦为一个毫无作为一事无成的庸人。勇敢的人往往能直面挫折。把它当作前进的垫脚石；④而那些长期在安逸生活中养成了懦弱性格的人则总是害怕挫折。无法承受任何挫折的打击，把挫折看成可怕的陷阱。但是，只要他们能学会在挫折中汲取力量和勇气，⑤并磨炼出坚忍不拔，就一定能够战胜挫折，创造一个美好的人生。

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So it is today．Schedule disaster functional misfits,and system bugs all arise because the left hand doesn’t know what the right hand is doing．As work （31）, the several teams slowly change the functions,size, and speeds of their own programs, and they explicitly or implicitly （32） their assumptions aboutme inputs available and the uses to be made of the outputs.

For example, the implementer of a program-overlaying function may run into problems and reduce speed relying on statistics that show how （33） this function will arise in application programs．Mean-while back at the ranch, his neighbor may be designing a major part of the supervisor so that it criticallydepends upon the speed of this function．This change in speed itself becomes a major specificationchange, and it needs to be proclaimed abroad and weighed from a system point of view.

How, then, shall teams （34） with one another In as many ways as possible.

·Informally．Good telephone service and clear definition of intergroup dependencies will encourage the hundreds of calls upon which common interpretation of written documents depends.

·Meetings．Regular project meetings, with one team after another giving technical briefings, are （35）.Hundreds of minor misunderstandings get smoked out this way.

·Workbook．A formal project workbook must be started at the beginning.

（34）处填（）。

A．work

B．program

C．communicate

D．talk