Unit 2 Topic 2 Section B课件2023-2024学年仁爱科普版九年级英语上册

Unit 2 Saving the Earth Topic 2 Section B 学习目标 预习检测 知识梳理 课堂总结 学习 导航 重点探究 当堂检测 新课导入 As a student, what should/shouldn't we do? 能熟悉并正确运用本课时的重点单词和短语 1 2 能掌握不定代词、不定副词的区别和用法 学习目标 1.—How many students are there in the classroom? —_______. I don’t know where they have gone.  A.No one　　　　B.None　　　　C.Nobody　　　　D.Nothing 2.—Who is in the classroom? —_______. We are all in the playground.  A.None B.Nothing C.No one D.Neither 预习检测 B C 3.We should do everything we can______the environment. A.to protect B.protect C.protects D.protected 4.None of them_____how to solve the problem. A.know B.knows C.knowing D.to know 5.Don’t spit ______in public. It is very important. A.somewhere B.where C.nowhere D.anywhere A B D 知识梳理 Key points 1. It says that the condition of the air has become better than before. 它（文章）写到空气质量相比之前已有很大提高。　sth. + says that… 此句型中主语是事或物，say表用“文字、数字”说明信息。 eg: It says that he is a great scientist. 据说他是一名伟大的科学家。 Key points The government has done something useful to protect the environment. 但是政府为了保护环境已经采取了有效的措施。 something useful形容词修饰不定代词时，要放在所修词后面，作后置定语。形容词修饰不定副词、不定代词时常放其后。 类似词语：anything; something; nothing; anywhere; somewhere warm 暖和的地方； nothing serious 没什么严重的；eg: There is something interesting in today’s newspaper. 今天的报纸上有一些有趣的事。 Key points 3. None of us likes pollution. 众所周知，没有人喜欢污染。 none与no one 的区别： ① none 指三者或三者以上的“没有，都不”，既可指人也可指物，后常跟of 的短语; 作主语时，谓语动词既可用单数也可用复数；构成“none of +名词/代词”结构，当名词是不可数名词时，谓语动词用第三人称单数；当名词是复数时，谓语动词用单复数均可。 eg: He has read none of these books.（指物）这些书他一本都没看过。 None of my friends like/ likes drawing.（指人）我的朋友们没有一个喜欢画画。 Key points ② no one只指人，后不能跟of 的短语; 作主语时，谓语动词只用作单数。eg:No one is here. 没有一个在这儿。 ③ none回答how many/ much的问题；no one回答who的问题。 eg:—How many students come to school by taxi? —None. ——有多少的学生搭出租车来上学？ ——没有人。 —Who is in the room? —No one. ——谁在房中？ ——没有人。 Key points 4. Everyone should care for wild animals and plant more trees. 每个人都应该保护野生动物并且多种一些树木。 ever