Unit 2 Topic 1 Section C课件2023-2024学年仁爱科普版九年级英语上册

Unit 2 Saving the Earth Topic 1 Section C 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 Let's watch a video… 能熟悉并正确运用本课时的重点单词和短语 1 2 能初步了解who引导的定语从句 3 能了解污染的危害并提高环保意识 学习目标 1.—Which of the two T-shirts would you like? —________. I like them very much and I will take the two.  A.Either　　　 　B.Both　　　 　C.None　　　 D.Neither 2.—Would you like tea or coffee? —________, thanks! I’d prefer a coke.  A.Both　　　 B.Neither　　 C.All　　 D.Some 预习检测 B B 3.________ the environment is important for human beings. A.Take care of B.Taking care of C.Took care of D.Take the care of 4.—Don’t eat too much candy, for it’s _____ your teeth. —Oh, I get it.Thank you. A.harm to B.good for C.badly to D.harmful to 5._____ Tom _____ Maria loves this sport. A.Both; and B.Not only; but also C.I; and D.Both; or B D B 知识梳理 Key points 1. However, not all people know noise is also a kind of pollution… 然而，不是所有的人都知道噪音也是一种污染…… not all ...此结构表示部分否定，意为“不是所有的……”。 not与both, all, every以及every的派生词连用时表示部分否定。 e.g. Not everybody likes playing basketball． 不是所有的人都爱打篮球。 而neither, none, nothing, nobody, no one等用来表示全部否定。 e.g. None of my friends likes swimming． 我的朋友中没有一个人喜欢游泳。 Key points 2. lose one’s hearing意为“丧失听力”， 同义短语是：have hearing loss e.g. Beethoven lost his hearing about the age of 45. 3. quite a few 许多，大量。 e.g. There are quite a few old people living in this area. 这个地区住着许多老年人。 Key points 4. Recently, it was reported that many teenagers in America can hear no better than 65-year-old people do… 最近，据报道在美国很多青少年的听力跟65岁的老人差不多…… ① recently最近，指过去不久的某一时刻，和一般过去时连用；指过去不久到现在的一段时间，和现在完成时连用。 e.g. I haven’t heard of her recently. 最近我没听到她的消息。 Key points ② it is reported据报道, it is said据说, 这两个短语均表示其后为引用内容。 ③ no better than... 意为“和……(几乎)一样坏”。 e.g. His composition is no better than mine. 他的作文和我的一样差。 Key phrases 1. go deaf 2. do harm to 3. be harmful to 4. lose one’s hearing 5. have hearing loss 6. in noisy condition 7. too much noise 8. no better than 9. as badly as 变聋 伤害 对……有害 失去听力 有听力损