2021-2022学年人教版新课标选修9 Unit 3 Australia重要知识点讲解（素材）

Unit 3 Australia 重要知识点讲解 1. It was probably once connected to South America, but the continents separated as the earth’s plates moved. 澳洲很可能曾经同南美洲连在一起，但是随着地球板块的活动而分离开了。 connect to / with ：与……有联系／连接 The child connected the moon with a fairy tale his grandma told him. separate：分离 短语：separate…from…. 2. Having been separated from other continents for millions of years, Australia has many plants and animals that cannot be found anywhere else in the world. 因为澳大利亚同其他大陆已经分离了几百万年了，所以澳大利亚与许多动植物是世界其他地方找不到的。 Having been separated from other continents for millions of years：现在分词的完成式做原因状语。 Having put up the tent, they started to cook their supper. 3. One strange animals lay eggs yet feeds its young on its milk. 有一种动物很奇特，会下蛋，而又给她的幼崽喂奶。 lay egg：下蛋。 lay的其他意思：摆放；把……归于 相关的短语： lay out：布置；安排； lay down：放下； lay aside：把……放在一边； lay off：裁员； lay the foundation of ….：奠定……的基础 feed sb. on sth. ：用……喂养；＝feed sth to sb. feed on….：以……为食 In winter they feed the horses on hay and corn. Chinese people feed on rice chiefly. You can feed these turnips to the rabbits. 其他短语： feed …with…：用……补给…… be fed up with = be tired of…厌倦…… He fed the fire with some logs. I have fed up with these boring meeting. 4. In area, it is approximately the same size as the USA（without Alaska） which, however, has more than fourteen times as many people. 澳大利亚的面积大致相当于美国（不含阿拉斯加）。而美国的人口却是澳大利亚人口的14倍多。 approximately：接近；近似于（指质量或数量） His description of the event approximately to the truth but there were a few inaccuracies. the same size as==as big as… which, however, has more than fourteen times as many people非限定性定语从句修饰the USA。后面省略了as Australia. more than fourteen times as many people 倍数句型： 倍数＋as …as … 倍数＋形容词／副词比较级 than…. 倍数＋表示比较大小，长度，重量等名词＋of …. 倍数＋that / those of…. Tom is twice older than Jack. Tom is twice the age of Jack. Tom’s age is two times that of Jack’s. 5. The purpose of the fence is to keep out a type of wild dog called a “dingo”. 设置篱笆的目的是用来阻拦一种叫做dingo的野狗。 keep out：阻拦，不让……进来；使……置身于……之外 其他有关keep的短语： keep on doing：坚持／继续做； keep off：推迟；避开；挡住； keep sb. from doing：阻止某人做……； keep up：维持; ?keep up with：跟上 They closed all the windows to keep out the cold. Keep off the grass. He keeps on phoning me, but I really don’t want to speak to him. The heavy rain kept them from going out. 6. Farms in the middle of Australia are usually so large that the farmers use motorbikes or helicopters for the task of rounding up the sheep or cattle. 澳大利亚中部的农场很大，农场主们得用摩托车或直升飞机来赶牛羊。 round up：聚拢，集中在一起。 The guide rounded up the tourists and hurried them back into th ... ...