資源簡介

第二單元知識點總結(jié)
1. 重點短語
1）die out：滅亡；逐漸消失。Dinosaurs died out millions of years ago.恐龍在數(shù)百萬年前滅絕了。
2）be aware of：意識到；知道。We should be aware of the importance of protecting the environment.我們應(yīng)該意識到保護(hù)環(huán)境的重要性。
3）make progress：取得進(jìn)步。With his hard work, he has made great progress in English.通過努力學(xué)習(xí)，他在英語方面取得了很大進(jìn)步。
4）concerned about：對……關(guān)切的；為……擔(dān)憂的。I'm concerned about my mother's health.我擔(dān)心媽媽的健康。
5）adapt to：適應(yīng)。It takes time for some people to adapt to a new environment.有些人需要時間來適應(yīng)新環(huán)境。
6）under pressure：在壓力下；承受壓力。The students are under pressure because of the exams.由于考試，學(xué)生們壓力很大。
7）make out：看清；聽清；分清。I can hardly make out the words on the blackboard.我?guī)缀蹩床磺搴诎迳系淖帧?br/>8）watch over：保護(hù)；照管；監(jiān)督。Parents always watch over their children.父母總是照顧著他們的孩子。
9）day and night：日日夜夜；夜以繼日。Doctors and nurses worked day and night during the epidemic.疫情期間，醫(yī)生和護(hù)士日夜工作。
10）search for：搜索；查找。They are searching for the missing child.他們在尋找失蹤的孩子。
11）stir up：激起。His words stirred up my anger.他的話激起了我的怒火。
12）due to：由于；因為。The sports meeting was put off due to the bad weather.由于天氣不好，運動會推遲了。
13）in addition：此外。In addition, we need to prepare some food for the picnic.此外，我們需要為野餐準(zhǔn)備一些食物。
14）be in danger of：處于……的危險中。The old building is in danger of collapse.那棟老建筑有倒塌的危險。
15）take measures：采取措施。We must take measures to solve the problem.我們必須采取措施解決這個問題。
16）at an alarming rate：以驚人的速度。The forest is disappearing at an alarming rate.森林正以驚人的速度消失。
17）feed on：以……為食。Cows feed on grass.奶牛以草為食。
18）set up：建立；設(shè)立。They set up a new school in the village.他們在村里建了一所新學(xué)校。
19）keep... safe from：保護(hù)……免受……。We should keep the children safe from danger.我們應(yīng)該保護(hù)孩子們免受危險。
20）in harmony with：與……和諧相處。We should live in harmony with nature.我們應(yīng)該與自然和諧相處。
2. 重點句型
1）When the buying stops, the killing can too. （沒有買賣，就沒有殺害。）
2）Our planet’s wildlife is dying out at an alarming rate. （我們星球上的野生動物正以驚人的速度滅絕。）
3）Between 150 and 200 species are becoming extinct every day. （每天有150到200個物種正在滅絕。）
4）This mass extinction is caused by hunting, habitat loss, and pollution. （這種大規(guī)模滅絕是由狩獵、棲息地喪失和污染造成的。）
5）We must make people aware of the problem and help the endangered wildlife before it’s too late! （我們必須讓人們意識到這個問題，并在為時已晚之前幫助瀕危野生動物?。?br/>6）What are we doing to our planet （我們對我們的星球做了什么？）
7）I’m concerned about the African elephants. What do you know about them （我很擔(dān)心非洲象。你對它們了解多少？）
8）Well, I know that they’re being hunted and their habitat is getting smaller, so they’re in danger of extinction. （嗯，我知道它們正在被獵殺，它們的棲息地正在變小，所以它們面臨滅絕的危險。）
9）Elephants need large living spaces, so it’s difficult for them to adapt to the changes. （大象需要廣闊的生存空間，所以它們很難適應(yīng)這些變化。）
10）The authorities are under pressure to build elephant parks and tell people not to buy elephant products. （當(dāng)局面臨著建造大象公園并告知人們不要購買大象制品的壓力。）
11）The air is thin and we have to rest several times on the short hike from camp. （空氣稀薄，我們在從營地出發(fā)的短途徒步旅行中不得不休息幾次。）
12）To our left, snow - covered mountains disappear into clouds that seem almost close enough to touch. （在我們左邊，白雪皚皚的山脈消失在似乎近在咫尺的云層中。）
13）On the plain in front of us, we can just make out a herd of graceful animals. （在我們面前的平原上，我們只能勉強(qiáng)辨認(rèn)出一群優(yōu)雅的動物。）
14）This is why we’re here — to observe Tibetan antelopes. （這就是我們來這里的原因——觀察藏羚羊。）
15）Tibetan antelopes live on the plains of Xizang, Xinjiang, and Qinghai. （藏羚羊生活在西藏、新疆和青海的平原上。）
16）Watching them move slowly across the green grass, I’m struck by their beauty. （看著它們在綠草地上緩緩移動，我被它們的美麗所打動。）
17）I’m also reminded of the danger they were in. （我也想起了它們曾經(jīng)所處的危險。）
18）They were hunted, illegally, for their valuable fur. （它們因珍貴的皮毛而遭到非法捕獵。）
19）My guide is Zhaxi, a villager from Changtang. （我的向?qū)窃?，一位來自羌塘的村民。?br/>20）He works at the Changtang National Nature Reserve. （他在羌塘國家級自然保護(hù)區(qū)工作。）
21）The reserve is a shelter for the animals and plants of northwestern Xizang. （這個保護(hù)區(qū)是西藏西北部動植物的庇護(hù)所。）
22）To Zhaxi, the land is sacred and protecting the wildlife is a way of life. （對扎西來說，這片土地是神圣的，保護(hù)野生動物是一種生活方式。）
23）The 1980s and 1990s were bad times for the Tibetan antelope. （20世紀(jì)80年代和90年代對藏羚羊來說是艱難的時期。）
24）The population dropped by more than 50 percent. （藏羚羊的數(shù)量下降了超過50%。）
25）Hunters were shooting antelopes to make profits. （獵人射殺藏羚羊以獲取利潤。）
26）Their habitats were becoming smaller as new roads and railways were built. （隨著新公路和鐵路的修建，它們的棲息地變得越來越小。）
27）In order to save this species from extinction, the Chinese government placed it under national protection. （為了拯救這個物種免于滅絕，中國政府將其列為國家保護(hù)動物。）
28）Zhaxi and other volunteers watched over the antelopes to keep them safe from cars and trains. （扎西和其他志愿者守護(hù)著藏羚羊，保護(hù)它們免受汽車和火車的傷害。）
29）The measures were effective. （這些措施是有效的。）
30）The antelope population has recovered and in June 2015, the Tibetan antelope was removed from the endangered species list. （藏羚羊的數(shù)量已經(jīng)恢復(fù)，2015年6月，藏羚羊從瀕危物種名單中除名。）
3. 重點語法：現(xiàn)在進(jìn)行時的被動語態(tài)
● 構(gòu)成：am/is/are + being + 動詞的過去分詞。
● 用法：表示現(xiàn)階段或說話時正在進(jìn)行的被動動作。例如：
● African elephants are being hunted.（非洲象正在被獵殺。）
● What is being done to help them （正在做些什么來幫助它們呢？）
● The wetland in my hometown is being destroyed.（我家鄉(xiāng)的濕地正在被破壞。 ）

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