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

Unit 1 The Changing World 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 能熟悉并正确运用本课时的重点单词和短语 1 2 能够掌握数字的拼读 学习目标 1.—_______ the population of India?  —_______ about 1.27 billion.  A.How many are; They are　　　 B.How much is; That is C.What is; It is D.How is; This is 2.—Which country has the _____ population, India, America or China?  —America. A.largest B.smallest C.least D.fewest 预习检测 C B 3.—How many workers are there in your company? —About seven _______.  A.hundred B.thousands C.hundred of D.thousands of 4.China has _______ many policies to solve the problem. A.carried out B.taken out C.put out D.given out 5.—Tom works hard every day. —_________. He always passes the difficult exam. A.So he is B.So is he C.So he does D.So does he A A C 知识梳理 Key points ※ population是一个集合名词 ① population常与定冠词the连用，作主语用时，谓语动词常用第三人称单数形式。 e.g.The population is increasing faster and faster. ② 表示人口的"多"或"少"，不用"much"或"little"，而要用"large"或"small"。 e.g. India has a large population. ③ 询问某国、某地有多少人口时,不用"How much...?",而用"How large...?";在 问具体人口时用"What...?"。 e.g. How large is the population of your hometown? Key points ※ And it is increasing by 82 million every year. increase v. (使)增加，（使)增大，增多。 increase by＋倍数或百分数，表示“增加了……倍或百分之……”。 e.g. Compared with last year, our pay has increased by three times. 与去年相比，我们的工资增长了3倍。 increase to＋具体的增长后的数字，表示“增加到了……”。 e.g. Our rice output has increased to 6 million tons this year. 我们的水稻产量今年增长到了600万吨。 Key points ※ So it is. 该结构主要用于加强语气，其意为“的确如此、确实如此” ，表示后者赞同前者的话或意见，只是进一步强调并重复前句所述的内容。前后句的主语指的是同一个人或物。该结构中的助动词 do 根据前文的情况也可换成 is, am, are, was, were, does, did, can, could 等。 e.g. —He has done a good job. 他干得不错。 —So he has. 他的确干得不错。 Key points ※ Luckily, China has already carried out some policies to solve the problem. carry out 实行，进行，执行。 e.g. It won’t be an easy plan to carry out. 那并不是一个容易实施的计划