<<陳老師課堂>>重點(diǎn)難點(diǎn)點(diǎn)撥 高一英語(yǔ) Unit 10

The world around us

1. Look at the causes and effects above．看看上面的原因和結果。 1). cause n.事業(yè)；原因；起因；E.g. the revolutionary cause 革命事業(yè)；She has made up her mind to fight for the cause of communism．她已下決心要為共產(chǎn)主義事業(yè)而奮斗終身。A cigarette end was the cause of fire．一個(gè)煙頭是這場(chǎng)火災的原因。Heat is the cause of the expansion of matter．熱是膨脹的原因。What was the cause of the First World War? 第一次世界大戰的起因是什么? vt. 引起；E.g. It is said that smoking causes cancers．據說(shuō)吸煙可引起各種癌癥。What caused the accident? 什么原因引起了這場(chǎng)事故？What caused the plants to die? 造成這些植物死亡的原因是什么？**** reason n. 原因；它指的是邏輯上推理出來(lái)的理由；而cause則指的是自然的客觀(guān)存在的原因。E.g. We have reason to believe that he was murdered．我們有理由相信他是被謀殺的。What’s your reason for changing the plan? 你改變計劃的理由是什么？ 2). effect n.結果；后果；E.g. The film had quite an effect on her．這部電影對她影響很大。I tried to persuade him，but with little effect．我盡力勸過(guò)他,但沒(méi)起任何效果。

2. Steve Jones is an environmental expert who tries to keep animals and plants from becoming endangered．史蒂夫瓊斯是一位環(huán)境專(zhuān)家，他致力于保護動(dòng)植物免遭瀕危。 keep…from doing…. 阻止……干某事；E.g. The heavy rain kept us from going out．大雨阻止我們外出。We should keep people from cutting down too many trees．我們應當阻止人們砍伐太多的樹(shù)木。People are kept from throwing waste in the park．應阻止人們在公園里亂扔廢物。 Comparison：He kept me standing with my face to the wall for half an hour．他讓我面朝墻壁站了半個(gè)小時(shí)。 Mr Wang has a strange way to keep his students from making noises in class．王老師有一種奇特的辦法阻止他的學(xué)生在課堂上講話(huà)。**** keep on doing….繼續著(zhù)做…….(有停頓)；keep doing…. 持續不停地干……；E.g. The baby kept crying all night．那個(gè)嬰兒整夜哭鬧。It kept raining for a week．雨持續下了一周。If you keep on trying, you will make greater progress．只要你們繼續努力，你就能夠取得更大的進(jìn)步。

3. Many of the earth’s plants and animals have already died out, and several other species are endangered．好多地球上的動(dòng)植物已經(jīng)滅絕，一些別的物種正瀕臨著(zhù)滅絕的危險。 1). die out 滅絕；絕跡；消失；熄滅；E.g. Many of the living things are dying out．很多生物正在絕跡。Many of our old traditions are dying out．我們的許多老傳統正在逐漸消失。The forest fire died out．森林大火熄滅了。 2). species n.種類(lèi)；E.g. a species of tiger 一種老虎；There are over 200 species of fish．有兩百多個(gè)品種的魚(yú)。Wheat is a species of grass．小麥是一種草本植物。 3). endanger vt. 危及……；給……造成危害；E.g. You will endanger your health if you work too hard．如果你過(guò)度勞累,你的健康就會(huì )受到損害。The

polluted air is badly endangering the health of the residents in that area．被污染的

1.

空氣正嚴重地危及那個(gè)地區居民的健康。Drunk-driving can not only cause traffic accidents, but also endanger the lives of pedestrians．酒后駕車(chē)不僅會(huì )造成交通事故，而且會(huì )危及到行人的安全。

4. If we know more about what causes endangerment, we may be able to take measures before it is too late．如果我們能更多地了解致使生物瀕危的原因，我們就可以及早采取補救措施。 take measures 采取措施；E.g. What measures will be taken to prevent fires? 要采取什么措施來(lái)防止火災的發(fā)生? We must take necessary measures to solve these problems one by one．我們必須采取必要的措施，逐個(gè)地解決這些問(wèn)題。The governments are taking measures to control the prices of all kinds of goods．各級政府正采取措施控制商品的價(jià)格。

5. When the habitat of a species is changed or destroyed, the animal or plant has to either adapt to the change or find a new home．當一個(gè)物種的棲息地被改變或遭到毀壞時(shí)，這種動(dòng)物或植物就必須適應這種變化或者必須找到一個(gè)新的家園。 adapt to 適應……；E.g. Our eyes slowly adapted to the dark. 我們的眼睛慢慢地適應了黑暗。Can you adapt your way of thinking to the new life style? 你的思想能夠適應新的生活方式嗎？This TV plan was adapted from the novel of the same title．這部電視劇是根據同名小說(shuō)改編的。We are going to have the material adapted for Senior One students．我們打算對這份材料進(jìn)行改寫(xiě)以適合高一學(xué)生閱讀。

6. A species may also died out if humans or other animals use too much of a plant or kill too many animals. 如果人類(lèi)或別的動(dòng)物從一個(gè)植物之中索取太多或殺掉太多的