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九年级英语第二十四单元|九年级英语第四单元课件
科目 英语年级 初三文件 middle3 unit24.doc标题 Mainly Revision章节 第二十四单元关键词内容一、教法建议【抛砖引玉】 单元双基学习目标 Ⅰ. 词汇学习 rock , hardly , low , rise , famous , photograph , at the foot of , at all , fly over , a line of mountains , ask for Ⅱ. 句型学习 I like writing to my penfriend , but it takes a lot of time . Though much of its land is sand , it grows a lot of fruit . Hardly any . None at all . Ⅲ. 交际英语 谈论某一国家的地理位置及气候、特征。【指点迷津】 单元重点词汇点拨 1 . take 耗费 ( 时间 ) ；需要 ( 多少时间 ) It may take me several weeks to get back . It will take them three hours to do this work . This work will take them three hours . 〖点拨〗take 的过去式took，过去分词 taken。It takes sb . some time to do sth . 某人花费多少时间做某事。 2 . rock 岩石；大石头 They found a good place in the rocks . 〖点拨〗rock 主要指巨石、暗礁，stone 主要指小石块。 3 . hardly 几乎不；简直不 I\"m so tired that I can hardly walk . That is hardly possible . There is hardly a cloud in the sky . 〖点拨〗hardly 作“简直不”讲时，多和 can 连用，hardly 后面可以接用 when 引导的从句，意思是“一……就……”。如：He had hardly walked into the classroom when it began to rain cats and dogs . 他刚一进教室，天就下起了大雨。 4 . sky 天空 There were no clouds in the sky . 〖点拨〗sky 通常用作单数，与定冠词连用。如有形容词修饰时，可与不定冠词连用。 a blue sky 蔚蓝的天空。in the sky在天空。 5 . rise 上升，上涨 The sun rises in the east . After the heavy rain the river will rise . Prices continue to rise . 〖点拨〗rise 的过去式是rose，过去分词为 risen。rise 是不及物动词，表示的是自然界中，日、月、水位、物价等的自然上升。 6 . grass 草，草地 Sheep live on grass . Keep off the grass ! 请勿践踏草地 ！ 〖点拨〗grass常作不可数名词用。a leaf of grass 一片草叶。 7 . famous 著名的 The town is famous for its hot springs . He is a famous man . 〖点拨〗be famous for 以……而著名。be famous as 作为……而出名。 My uncle is famous for his songs . Her sister is famous as a singer . 单元词组思维运用 1 . neither of 两者皆不 Neither of my parents enjoys good health . 我父母的身体都不健康。 〖说明〗①neither of 只表示“两个人或物都不”，不能用来表示两个以上的人或物。谓语动词用单数。若表示两个以上的人或物，就得用 none , not one , not any . ②both of 则表示“两者都”，either of 则表示“两者中任一”，如： Both of them have come . 他们俩都来了。 Neither of them has come . 他们俩都没来。 Either of them has come . 他们俩全都来了。 〖说明〗both of 着重指整体“两者都”，either 虽然也有“两者都”之意，但强调“两者中的任何一个”。故：both of 作主语时，谓语动词用复数。either of 作主语时，谓语动词用单数。作形容词时，both 修饰复数名词，either 修饰单数名词。neither 作形容词，也是修饰单数名词。如： You can sit on either of the end of the boat . Both answers are correct . 两个答案都对。 Either answer is correct . 两个 ( 中的任何一个 ) 答案都对。 Neither answer is correct . 两个答案都不对。 2 . at first 起初，开始时 At first the baby was happy . Half an hour later she began to cry . at last 最后，终于／at the beginning of 起初 At last he had an idea . 终于，他有了主意。 I found a job at the beginning of last month . 上月初我找到一份工作。 3 . climb up 攀登，爬上 There he gets out of the lift and climbs up to the fifteenth floor on foot . 4 . at the foot of 在……的底部 ( 脚下 ) There is a small river at the foot of the hill . 5 . go down 下去， ( 日，月等 ) 落下 The sun has gon