20xx人教版高中英語(yǔ)必修四unit 2《working the land》（section 3）-全文預(yù)覽
【正文】 crops every two or three years ? seeds in different layers of the soil ? grass between crops to prevent the soil from being blown away ? 答案： A ? Ⅱ .Read the text carefully and decide whether the following statements are True or False. ? main idea of the text is that chemical fertilizer is better than natural fertilizer. ( ) ? farmers prefer using natural waste from animals. ( ) ? often grow the same crops year after year. ( ) ? farming refers to crops growing with both natural and chemical fertilizers. ( ) ? healthy soil reduces disease and helps crops grow strong and healthy. ( ) F T F F T Ⅲ .Read the text carefully and answer the following questions. is “ anic farming”？ 答案： Organic farming means growing crops without using any chemicals. do anic farmers prefer to use as fertilizer? 答案： The fertilizer that anic farmers prefer is natural waste from animals. do anic farmers grow peas or soybeans after corn or wheat? 答案： Farmers grow peas or soybeans after corn or wheat so that peas and beans can put minerals back into the soil,making it rich and healthy and ready to grow more wheat or corn. is the advantage of using natural fertilizer？ 答案： It makes the soil richer in minerals and so more fertile, and reduces diseases in crops and help them grow strong and healthy. Besides, it keeps the air, soil and water as well as the food supply free from chemicals. are chemical fertilizers so popular in farming today? 答案： They are a great way to stop crop diseases and increase production. Ⅳ .Translate the following sentences from English into Chinese. seems a strange name since all crops are anic no matter how they are produced. 答案： 這個(gè)名字看起來有些奇怪 ,因?yàn)樗械霓r(nóng)作物 ,無(wú)論如何生產(chǎn)出來的 ,都是有機(jī)物。 ? Point focus ? (1) (注意力等 )集中于 (某事物 )；使集中于焦點(diǎn)；調(diào)節(jié) (眼睛、透鏡等的 )焦距；定 ……的焦點(diǎn) 課堂深度拓展 考點(diǎn)一 單詞點(diǎn)擊 focus (sth.)on sth.(使某事物 )集中 (于一點(diǎn) ) focus one’ s attention/mind/efforts on sth. 集中注意力 /精力于 …… concentrate/center/fix… on… 把 …… 集中于 …… ① The meetings will focus on the global economic recovery. 本次會(huì)議將主要關(guān)注全球經(jīng)濟(jì)復(fù)蘇問題。 (2)n.(光，聲等的 )中心點(diǎn)，源；焦點(diǎn)，焦距；聚焦，調(diào)焦或調(diào)焦的裝置；活動(dòng)的中心，使人感興趣的所在 (常作單數(shù) ) the focus of attention關(guān)注的焦點(diǎn) the focus of the argument議論的中心 ⑤ The focus on my camera isn’ t working properly. 我的照相機(jī)上的調(diào)焦裝
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1