20xx人教版高中英語必修四unit 2《working the land》（section 3）-文庫(kù)吧
2024-10-28 13:26 本頁(yè)面
【正文】 rtile, 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 ,無論如何生產(chǎn)出來的 ,都是有機(jī)物。 often change the kind of crop in each field every few years, for example, growing corn or wheat and then the next year peas or soybeans. 答案： 在同一塊地里，他們經(jīng)常每隔幾年就換種農(nóng)作物，例如種玉米或小麥后來年再改種豌豆或大豆。 anic farmers prefer planting grass between crops to prevent wind or water from carrying away the soil. 答案： 一些有機(jī)耕種的農(nóng)民愿意在莊稼中間種些草來阻擋風(fēng)或防止水土流失。 ? 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 If you focus the sun’ s rays on dry wood with a burning﹣ glass, it will start burning. 如果你用取火鏡使太陽光線聚焦在干木頭上，木頭就會(huì)燃燒起來。 ③ He finds it hard to focus his thoughts on one thing for longer than five minutes. 他發(fā)現(xiàn)他很難把注意力集中在一件事上超過 5分鐘。 ④ We need to focus public attention on this issue. 我們需要把公眾的注意力聚焦在這件事上。 (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)焦裝置有毛病。 ⑥ In tonight’ s programme, our focus is on Germany. 在今天晚上的節(jié)目中我們重點(diǎn)介紹德國(guó)。 ? 單句語法填空。 ? (1)__________(focus) on this aspect first will give you a better understanding of how and why things are currently as they are. ? 解析： 句意：首先聚焦在這個(gè)方面將使你懂得事情是如何到今天這個(gè)層面的，以及為什么它們是這樣的。 Focusing ? (2)He suggests that we _____________(focus) on making sure that we have good working relationships and munication so that we don’ t end up in trouble in the first place. ? 解析： 句意：他建議我們應(yīng)該注意確保我們有好的工作關(guān)系和溝通，以使我們不至于一開始就陷入麻煩而終結(jié)。 ? 單句改錯(cuò)。 ? (3)Stay focusingon the conversation, and you’ ll save yourself a lot of ? potential
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