unit-2-working-the-land-period-3-優(yōu)秀教案(人教版必修4)-預(yù)覽頁(yè)
【正文】 ound for a long time is not good for the soil or the water supply.注:leaving...在句中充當(dāng)主語(yǔ)。,因?yàn)橥寥栏牧剂?農(nóng)作物的病蟲害就減少了,因而有助于農(nóng)作物的茁壯成長(zhǎng)。It also refers to crops growing with natural rather than chemical fertilizers.注:growing...在句中充當(dāng)定語(yǔ)。The shop was unable to supply what she wanted.在這家商店她買不到她所想買的東西。Period 3 Extensive ReadingThe General Idea of This PeriodThis period is about the reading of the passages:Organic can help the students learn something more about the modern agriculture.Teaching Important PointsHelp the students to understand the passages and realize the importance of organic farming.Teaching DifficultiesHow to improve the students’ reading ability.How to help the students understand the advantages of organic farming.Teaching MethodsAskingandanswering activity to check the students’ understanding of the text。 is needed or useful kept me well supplied with cups of coffee while I wrote the report.當(dāng)我寫報(bào)告時(shí),他不斷地給我提供咖啡。Sentences and structuresFind out all the sentences with “ v.+ing” forms,and try to remember them.Translate the following sentences,and tell what part of speeches the red parts are used as.。Putting this in their fields,they argue,makes the soil richer in minerals and so more fertile.注:Putting...在句中充當(dāng)狀語(yǔ)。However,using chemical fertilizers is a big problem.,在田地里長(zhǎng)期遺留化學(xué)物質(zhì)對(duì)土壤和水源不利。,使之肥沃強(qiáng)效,適宜于種植要求土壤肥沃的農(nóng)作物,例如玉米和小麥。
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