Unit 3 The world of colours and lightPart 1 Welcome to the unit要点聚焦 １.aroundaround prep. 在……周围－adv.到处；在周围(1)around 用作介词，可表示“在……周围”、“围绕”、“在……那边”、“到处”、“在……附近”、“大约”、“关于”等，其短语可修饰动态动词和静态动词。例：The ship sailed around the world.这条船绕世界航行了一周。There is a bookstore around the corner.在拐角出有一家书店。Come around nine o’clock and you’ll find me home.9 点左右来，我准在家。There will be a discussion around the problem.关于这个问题将举行一次讨论会。(2)around 用作副词，可修饰动态动词和静态动词，常位于所修饰的动词之后，有时也可用作表语。例：I travelled around for a few years.这几年我到处旅行。What are you all sitting around for?你们都坐在这儿干什么？I’ll see if he is around.我要看一看他是否在附近。习惯用语 all around 四处，到处 hang around 在附近徘徊 show sb around 带领 sb 参观 get around (消息，谣言)传开来2.rather than Rather than 是并列连词，意为“而不是”、“宁可”或“情愿”，可连续各种并列成分，表示前面的是肯定的，后面的是否定的。例：Rather than being criticized,he should be praised.他就是不该挨批，而是应该受到表扬嘛。(辨异) rather than,other than 与 would rather(…than):rather than 通常译为“而不是”或“与其说是……不如说是”，有时可用短语介词 instead of 代替。例：He was engaged in writing a letter rather than(=instead of)reading the newspaper.他那时是在写信而不是在看报纸。other than 有两种意思：一是用来表示否定的意义，即“不同于”。等于different from，或“非”，等于 not ；二是用来表示排除意义，即“除了”，相当于except。例：The truth is quite other than what you think.事实真相和你们想的完全不一样。would rather 意为“宁愿”或“宁可”would/had rather…than，表示“宁愿……也不……”的意思。例：My aunt invited me to the movies,but I said I had rather go on a picnic with the girls.我的姑妈邀请我去看电影，可是我倒愿意跟女孩子们一起去野餐。I...
