XX年职称英语综合B补全短文专项练习

XX年职称英语综合B补全短文专项练习xx年职称英语综合B补全短文专项练习　　学习是一个循序渐进的过程，也是一个不断积累不断创新的过程以下是为大家搜索的xx年综合B补全短文专项练习，希望能给大家带来帮助!更多精彩内容请及时关注我们!　　All ofus havefelt pain.We havecut ourselves.We havebeen burned.Or wehave hadheadaches.Some ofus sufferpain rarelypain rarely.__________46　　Pain cantake pletecontrol ofour bodyand mind,making itimpossible tomove andeven tothink.Yet weneed pain.Without it,we wouldnot knowif wehave hurtourselves.It isour bodyswarning system.__________47　　Pain isthe mostmon reasonwe goto adoctor.It isthe mostmon reasonwe takemedicines.　　Until recently,however,most doctorsknew ofonly afew drugsthat stoppedsome pains.__________48　　But newknowledge aboutthe processof painis helpingthem tocontrol painbetter.　　Scientists have learned that the senseof painis madeup ofboth chemicaland electricalsignals.__________49Scientists alsohavelearnedthatthenervous systemsends twodifferent kindsof painmessages...。