【課件】Unit2 Discovering Useful Structures課件 2022-2023學(xué)年人教版高中英語必修第二冊(cè)

1、Unit 2 Wildlife ProtectionDiscovering Useful StructuresLead inThey _ (hunt) illegally for their valuable fur.Much _(do) to protect wildlife, but if we really want to save the planet , we must change our way of life.These large animals _ (kill) illegally for their body parts that are considered valua

2、ble. Billions of trees _ (cut) down every year to make paper for humans.According to A DAY IN THE CLOUDS, Fill in the blanks with the correct forms of the words.are being huntedare being cutare being killedis being doneUnderline and analyse Look at the sentences below. Underline the present continuo

3、us passive voice in the sentences and discuss its function.1am/is/are being doneam/is/are doneam/is/are doingUnderline and analyse 1. African elephants are being hunted.2. What is being done to help them?3. What measures are being taken to help them?Underline the present continuous passive voice in

4、the sentences and discuss its function.1Rewrite the three sentences to active sentences. Hunters are hunting African elephants.What are people doing to help them?What measures are people taking to help them?1. They are being hunted illegally for their valuable fur.2. Much is being done to protect wi

5、ldlife, but if we really want to save the planet , we must change our way of life.3. These large animals are being killed illegally for their body parts that are considered valuable.4. Billions of trees are being cut down every year to make paper for humans.Look at these sentences and underline the

6、present continuous passive voice in the sentences.Underline and analyse ReviewLearn the structures of present continuous passive voice. 肯定句否定句一般疑問句特殊疑問句Try to summarize the structures of present continuous passive voice.Learn the structures of present continuous passive voice. 肯定句be(am/is/are) + bei

7、ng done否定句be(am/is/are) + not + being done一般疑問句be(am/is/are) + 主語+being done特殊疑問句特殊疑問詞+be(am/is/are) +主語+ being doneReviewIm (working/being worked) at home today because my office is (painted/being painted).The alarming report is (written/being written). It will be finished soon.What part of the cit

8、y is (attacked/being attacked) now?Right now, the deer are (watched/being watched) over by many volunteers.Who is (hunting/being hunted) in the kangaroos? Where are they (hunted/being hunted)?It is reported that living spaces for wildlife are (reduced/being reduced) due to the cutting of trees.Choos

9、e the suitable verb forms to complete the sentences.2Underline and analyse 表示說話時(shí)正在進(jìn)行的被動(dòng)動(dòng)作，句中常用now, at the moment等時(shí)間狀語。Learn more about the present continuous passive voice. As far as I know, he is now being treated in China.據(jù)我所知，他現(xiàn)在正在中國(guó)接受治療。表示現(xiàn)階段正在進(jìn)行的被動(dòng)動(dòng)作，但說話瞬間未必正在進(jìn)行。Many experiments are being carri

10、ed out these days.最近許多實(shí)驗(yàn)都在進(jìn)行著。Underline and analyse 表示一種經(jīng)常性的被動(dòng)行為，常與always，constantly，frequently等副詞連用，往往帶有夸獎(jiǎng)，羨慕，埋怨，討厭等感情色彩，I feel very amazed that the glasses of our living room are frequently being broken.我感到非常吃驚的是我們起居室的玻璃杯經(jīng)常被打破。The little boy has made rapid progress recently and is always being pra

11、ised by the teachers.那個(gè)小男孩最近進(jìn)步很快，總是被他的老師表揚(yáng)。Underline and analyse Key wordskangaroo kru n. 袋鼠e.g. The kangaroo is a native of Australia. 袋鼠是產(chǎn)于澳大利亞的動(dòng)物。 deer d(r) n. 鹿e.g. Deer had stripped the tree of its bark. 鹿啃掉了樹皮。 net net n. 網(wǎng)；球網(wǎng)； adj. 純的；最后的；原價(jià)的；凈重的；e.g. I soon had the fish in a net. 我不一會(huì)就網(wǎng)住了那條魚

12、。Key wordsreduce rdjus vt./vi. 減少；降低； reduce to 減少到 reduce by 減少了 reduce from to 從減少到e.g. These sunglasses are designed to reduce glare. 這些太陽鏡是為減少刺眼的強(qiáng)光而設(shè)計(jì)的。 Costs have been reduced by 20% over the past year.過去一年，各項(xiàng)費(fèi)用已經(jīng)減少了20%。The number of employees was reduced from 40 to 25.雇員人數(shù)從40人減少到了25人。The skirt

13、 was reduced to 10 in the sale.在大減價(jià)期間，這條裙子減價(jià)到10英鎊。Key wordsdue dju adj. 到期的；預(yù)期的；應(yīng)付的； n. 應(yīng)付款；應(yīng)得之物 due to 由于 be due to do sth 預(yù)定/計(jì)劃做某事e.g. Her success was due in part to luck. 她的成功在某種程度上是由于運(yùn)氣好。 The final instalment on the loan is due next week. 貸款的最后一期付款下個(gè)星期到期My essays due next Friday我的論文下周五必須交，Key wo

14、rdsneighbourhood nebhd n. 領(lǐng)區(qū)；居住區(qū)；鄰居關(guān)系；附近一帶in the neighbourhood 在街區(qū)e.g. Hes a familiar figure in the neighbourhood. 他在這個(gè)地區(qū)是大家熟悉的人物。 Themailcarrierinourneighborhoodisafriendof allchildren.我們社區(qū)的這個(gè)郵遞員是所有孩子的朋友。insect nsekt n. 昆蟲e.g. The insects wings are almost transparent. 這昆蟲的翅膀幾乎是透明的。Fill in the blank

15、s3Liu Tao would like to express his concern over the wetland in his hometown. Help him finish the passage with the present continuous passive voice of the verbs in brackets.think about:wildlifehabitatenvironment pollution.Fill in the blanksIn the wetland of my hometown, there are many different kind

16、s of animals, including wild birds, fish, snakes, insects and so on. When I was in primary school, I often went there with my friends to watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years. Small birds _ (catch) with nets. Wild

17、 ducks _ (sell) at food market. Fish and snakes _ (kill) for food in restaurants. And even worse, the wetland _ (destroy). Some parts _ (cover) with new houses. You can see rubbish everywhere. The wetland _ (pollute) seriously every day. I am very worried about it. What can we do?are being caughtare

18、 being soldare being killedis being destroyedare being coveredis being pollutedDiscuss with your partner, and give some suggestions for Liu Tao.1. What problems does Liu Tao worry about? Food markets affect animals livingRubbish pollutionToo many constructionsDiscussionDiscuss with your partner, and

19、 give some suggestions for Liu Tao.2. What can we do? Contact with the government.Establish a volunteer group.Advocate the meaning of protecting wetland.Encourage more people to join in.For improving awareness of environmental protectionMake people know more about wetland.Discussion4In groups, discuss the questions below. Prepare to give a presentation of