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牛津上海版英语六年级下册 Unit9 Sea water and rain water 语言点及练习(含答案)

日期:2024-06-05 科目:英语 类型:初中学案 查看:38次 大小:29281Byte 来源:二一课件通
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2022学年牛津上海版英语六年级第二学期unit 9语言点及练习 一、语言点 Miss Guo is reading a book to prepare a quiz for a class competition about the oceans. 郭老师正在读一本书来准备一次关于海洋的班级竞赛的小测试。 (1)to do sth. 动词不定式用来表示目的。 Eg: We come to school to learn things. 我们来学校学习知识。 2.* Almost three quarters of the Earth is water. 地球表面约四分之三是水。 three quarters of sth 某事的四分之三 a quarter 四分之一 a half 一半 另一种表达方法:基数词(>1)—序数词(s): 1/4 one-fourth 3/4 three-fourths. 3.* Dolphins are one of the most intelligent animals. 海豚是最聪明的动物之一。 (1)intelligent adj. 聪明的 [近] clever/ bright/ smart (2) “One of the + 形容词最高级+名词复数”表示“最……之一” Eg: Linda is one of the smartest girls in her class. 琳达是她班级最聪明的女生之一。 (3)形容词最高级:A、词尾加-est, high –highest B、以e结尾,fine-finest, large-largest C、重读闭音节,末尾只有一个辅音字母:双写+est, biggest, fattest,thinnest,hottest,reddest D、辅音字母+y, 去y-i, +est, easiest, earliest,heaviest,heaviest E、多音节词+most: most beautiful 6、少数不规则变化: good-best; bad-worst 形容词最高级用法:最高级用于三者或三者以上的人或事物之间的比较,表示在一些人或事物中,其中某一个“最……”。最高级前面一般要用定冠词the,即“the + 形容词最高级”。后面一般有一个用介词of或in 引导的短语表示比较范围。 She is the best student in our class. 她是我们班级最好的学生。 John is the most careful of the three boys. 约翰是三个男孩中最细心的一个。 4. *Fishermen use nets to catch fish and prawns in the deep sea. 渔夫用网来捕捞深海里的鱼和虾。 use sth. to do sth.= use sth. for doing sth. 表示使用什么东西来做什么事情。 Eg: We use pens to write. = We use pens for writing. 我们用笔来写字。 5. We must keep them clean. We must stop polluting them. 我们必须保持他们干净,我们必须停止污染他们。 (1)“keep+something+形容词”的结构式表示“使……处于某种状态” Eg: Doing more exercise can help keep us healthy. 多锻炼能帮助保持我们健康。 (2)stop doing something 意为“停止手头正在做的事” stop to do 表示“停止手头正在做的事而去做其它事” Eg: When the teacher came in, all the students stopped talking. Eg: When the teacher left the classroom, some students stopped to talk. 6. What will happen if there is no rain 如果没有雨将会发生什么? If 表示“如果”, 用来引导条件状语从句,用于表示假设。在条件状语从句中,如果主句用了一般将来时,if 引导的从句相应的要用一般现在时。这种规则被称为“主将从现”。 Eg: I will go to visit the Oriental Pearl TV Tower, if it doesn’t rain tomorrow. Eg: You will find a lot of interesting places if you go to Shanghai. If 亦可表示“是否”,如:She wants to find out if he likes his job. 7. *If there is no rain, we’ll have no water to drink. 如果没有雨,我们将没有水喝。 这里的no 相当于not any / a ,本句可以改为:If there is not any rain, we will not have any water to drink. Eg I have no apples in my bag. = I don’t have an apple in my bag. 8.* Farmers need water to water the crops and vegetables on their farms. (1)need sth/ ... ...

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