NEW WORDS AND PHRASES vISIonary[ vita n ari]n.幻想家,梦想家 contribute [kan tribju]v.捐献,贡献 kan]adv.重大的,效果显著的,具有特殊意义的

1. The Internet is the largest repository of information which can provide very very large network resources. The network resources can be divided into

cellular[' se j u13]a.细胞(状)的,蜂窝状的,单元的 mobile[' mou a i l,' mou i()1]a.运动的,流动的,机动的,装在车上的 deploy[di' p iJv.;n.展开,使用,推广应用

asynchronous[a'si6 k ranas]a.异步的 serial[' sirian]a.串行的,串联的 transmission[ t raen z'mi∫an]a.传输,发送 interface[ i n taf e i s]r.接口

11, Circuit Switching and Packet Switching destination[. de ti' n e i jan]n.目的地,终点 allocate[' aelak e i t]vt.分配,分派,配给 release[ri'li:s]vt.释放,放松,发布 Jargon[吗a:gan]n.行话,土语

I. Revision Teacher uses the following exercise to help the students to revise the important expressions or phrases or sentences which were learnt in the loud speaker, study of last unit eacher: When I say a phrase or an expression in Chinese, you respond by blackboard

动词的-ing形式在起名词作用肘,称为动名词。动名词在句中可以 1)用作主语:

四川建筑职业技术学院：《大学英语》课程PPT教学课件（3级考试）第四讲 不定式语法

I. Revision mins com Teacher uses the following exercise to help the students to revise the important expressions or phrases

1.当句首为 here,there,now,then,such等 2.用于某些以地点状语开头的句子