Module 3 Unit 2 语法点课件2022-2023学年外研版八年级英语下册

Flash eyes Tips: Keep quiet when you see the bomb Stand up when you see Yao Ming solar light impossible solar system that planet spaceship none out galaxy universe astronaut moon environment earth group communicate 2 1. Scientists think that there has been life on the earth for hundreds of millions of years. 科学家认为地球上的生命已存在了数亿年。 hundreds of millions of 数亿…… We paid hundreds of millions of dollars in taxes. 我们交纳了数亿美元的税金。 Language points Language points 数词在表示模糊数目的短语中用复数形式,且后面要加上of。 hundreds of 数以百计的 thousands of 数以千计的 millions of 数以百万计的 billions of 数以亿计的, 数十亿的 百、千、百万、十亿如果和具体数字连用,百、千、百万、十亿须用单数形式。如: six hundred two thousand nine million seven billion 1. It is said that the disease has killed more than_ people worldwide. A. two hundreds B. two hundreds’ C. two hundred’s D. two hundred 2. _ Chinese are looking for ways to learn English well. A. Thousand B. Thousands C. Thousand of D. Thousands of D D 即学即练即学即练 that是指示代词。为避免重复,可用 that 或 those 来代替前面已提到过的人或事物; The air in the countryside is fresher than _in the city. The streets in the city are wider and the buildings are taller than _ in the county. The environment is much cleaner than _ in the city. The population of Shanghai is much larger than _ of Nanning. that those that that 2. The earth is a planet and it goes around the sun. Seven other planets also go around the sun. 地球是颗行星,它围绕着太阳转。此外还有七颗行星也围绕着太阳转。 1) 七颗行星指的是:水星(Mercury)、金星 (Venus)、火星(Mars)、木星 (Jupiter)、土星(Saturn)、天王星 (Uranus)和海王星(Neptune)。 2) go around: 绕着……运转 The Earth goes around the Sun. 地球绕着太阳转。 Let's go around the town, not through it. 我们绕过这城镇吧,不要穿过去了。 3) other/the other/others/another 这几个相类似的词容易弄混淆,其实意思大相径庭。 other其它的(人或物), 后面经常跟可数名词复数形式; We haven’t found life on other planets yet. 我们还没有在其它的星球上发现生命。(其他的星球不可能只有一个) the other(两者中的)另一个,后面不可能跟复数形式; He has two daughters. One is a teacher, the other is a doctor. 他有两个女儿,一个是老师,另一个是医 生。 (有且只有两个,两者中的另一个) others其它的人或物(已经包括在内), 后面不能跟名词,本身就含有名词的含义; Some people came by car, others came on foot. 有些人是坐汽车来的,其他人是走着来的。(others后面不能再