Section Listening and SpeakingSection Reading and ThinkingP29Section Discovering Useful StructuresP78Section Listening and Talking&Reading for WritingP97Section Assessing Your Progress&Video TimeP126写作写作 P136unit5Languagesaroundtheworld词汇认知词汇认知汉译英汉译英1.billion n.十亿十亿2.native adj.出生地的出生地的;本地的本地的,土著的土著的n.本地人本地人3.attitude n.态度态度;看法看法4.referto 指的是指的是;描述描述;提到提到;查阅查阅5.neither.nor.既不既不也不也不词汇拓展词汇拓展6.refervi.提到提到;参考参考;查阅查阅vt.查询查询;叫叫求助于求助于reference n.指称关系指称关系,参考参考7.pronouncevt.发音发音;发声发声pronunciation n.发音发音