Welcome to the unit1. Search for information on a variety of topics. (P33) 就各种话题搜索信息。searchv. 1) [I or ...
Unit 3 The world onlineAims and requirements◆ Read two debates and an information sheet ◆ Listen to speeches a...
Unit3TheworldonlineTheeffectsoftheInternetonourlivesLearningaims:Inthisunit,youwill1.understandtheargumentaboutthepositiveandnegat...
单元语法助动词一、要点精讲定义在英语语法体系中，助动词有三类：基本助动词、情态助动词（即：情态动词）及半动助词。基本助动词包括：be...
