资源简介

第二单元知识点总结
1. 重点短语
1）die out：灭亡；逐渐消失。Dinosaurs died out millions of years ago.恐龙在数百万年前灭绝了。
2）be aware of：意识到；知道。We should be aware of the importance of protecting the environment.我们应该意识到保护环境的重要性。
3）make progress：取得进步。With his hard work, he has made great progress in English.通过努力学习，他在英语方面取得了很大进步。
4）concerned about：对……关切的；为……担忧的。I'm concerned about my mother's health.我担心妈妈的健康。
5）adapt to：适应。It takes time for some people to adapt to a new environment.有些人需要时间来适应新环境。
6）under pressure：在压力下；承受压力。The students are under pressure because of the exams.由于考试，学生们压力很大。
7）make out：看清；听清；分清。I can hardly make out the words on the blackboard.我几乎看不清黑板上的字。
8）watch over：保护；照管；监督。Parents always watch over their children.父母总是照顾着他们的孩子。
9）day and night：日日夜夜；夜以继日。Doctors and nurses worked day and night during the epidemic.疫情期间，医生和护士日夜工作。
10）search for：搜索；查找。They are searching for the missing child.他们在寻找失踪的孩子。
11）stir up：激起。His words stirred up my anger.他的话激起了我的怒火。
12）due to：由于；因为。The sports meeting was put off due to the bad weather.由于天气不好，运动会推迟了。
13）in addition：此外。In addition, we need to prepare some food for the picnic.此外，我们需要为野餐准备一些食物。
14）be in danger of：处于……的危险中。The old building is in danger of collapse.那栋老建筑有倒塌的危险。
15）take measures：采取措施。We must take measures to solve the problem.我们必须采取措施解决这个问题。
16）at an alarming rate：以惊人的速度。The forest is disappearing at an alarming rate.森林正以惊人的速度消失。
17）feed on：以……为食。Cows feed on grass.奶牛以草为食。
18）set up：建立；设立。They set up a new school in the village.他们在村里建了一所新学校。
19）keep... safe from：保护……免受……。We should keep the children safe from danger.我们应该保护孩子们免受危险。
20）in harmony with：与……和谐相处。We should live in harmony with nature.我们应该与自然和谐相处。
2. 重点句型
1）When the buying stops, the killing can too. （没有买卖，就没有杀害。）
2）Our planet’s wildlife is dying out at an alarming rate. （我们星球上的野生动物正以惊人的速度灭绝。）
3）Between 150 and 200 species are becoming extinct every day. （每天有150到200个物种正在灭绝。）
4）This mass extinction is caused by hunting, habitat loss, and pollution. （这种大规模灭绝是由狩猎、栖息地丧失和污染造成的。）
5）We must make people aware of the problem and help the endangered wildlife before it’s too late! （我们必须让人们意识到这个问题，并在为时已晚之前帮助濒危野生动物！）
6）What are we doing to our planet （我们对我们的星球做了什么？）
7）I’m concerned about the African elephants. What do you know about them （我很担心非洲象。你对它们了解多少？）
8）Well, I know that they’re being hunted and their habitat is getting smaller, so they’re in danger of extinction. （嗯，我知道它们正在被猎杀，它们的栖息地正在变小，所以它们面临灭绝的危险。）
9）Elephants need large living spaces, so it’s difficult for them to adapt to the changes. （大象需要广阔的生存空间，所以它们很难适应这些变化。）
10）The authorities are under pressure to build elephant parks and tell people not to buy elephant products. （当局面临着建造大象公园并告知人们不要购买大象制品的压力。）
11）The air is thin and we have to rest several times on the short hike from camp. （空气稀薄，我们在从营地出发的短途徒步旅行中不得不休息几次。）
12）To our left, snow - covered mountains disappear into clouds that seem almost close enough to touch. （在我们左边，白雪皑皑的山脉消失在似乎近在咫尺的云层中。）
13）On the plain in front of us, we can just make out a herd of graceful animals. （在我们面前的平原上，我们只能勉强辨认出一群优雅的动物。）
14）This is why we’re here — to observe Tibetan antelopes. （这就是我们来这里的原因——观察藏羚羊。）
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. （看着它们在绿草地上缓缓移动，我被它们的美丽所打动。）
17）I’m also reminded of the danger they were in. （我也想起了它们曾经所处的危险。）
18）They were hunted, illegally, for their valuable fur. （它们因珍贵的皮毛而遭到非法捕猎。）
19）My guide is Zhaxi, a villager from Changtang. （我的向导是扎西，一位来自羌塘的村民。）
20）He works at the Changtang National Nature Reserve. （他在羌塘国家级自然保护区工作。）
21）The reserve is a shelter for the animals and plants of northwestern Xizang. （这个保护区是西藏西北部动植物的庇护所。）
22）To Zhaxi, the land is sacred and protecting the wildlife is a way of life. （对扎西来说，这片土地是神圣的，保护野生动物是一种生活方式。）
23）The 1980s and 1990s were bad times for the Tibetan antelope. （20世纪80年代和90年代对藏羚羊来说是艰难的时期。）
24）The population dropped by more than 50 percent. （藏羚羊的数量下降了超过50%。）
25）Hunters were shooting antelopes to make profits. （猎人射杀藏羚羊以获取利润。）
26）Their habitats were becoming smaller as new roads and railways were built. （随着新公路和铁路的修建，它们的栖息地变得越来越小。）
27）In order to save this species from extinction, the Chinese government placed it under national protection. （为了拯救这个物种免于灭绝，中国政府将其列为国家保护动物。）
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护着藏羚羊，保护它们免受汽车和火车的伤害。）
29）The measures were effective. （这些措施是有效的。）
30）The antelope population has recovered and in June 2015, the Tibetan antelope was removed from the endangered species list. （藏羚羊的数量已经恢复，2015年6月，藏羚羊从濒危物种名单中除名。）
3. 重点语法：现在进行时的被动语态
● 构成：am/is/are + being + 动词的过去分词。
● 用法：表示现阶段或说话时正在进行的被动动作。例如：
● African elephants are being hunted.（非洲象正在被猎杀。）
● What is being done to help them （正在做些什么来帮助它们呢？）
● The wetland in my hometown is being destroyed.（我家乡的湿地正在被破坏。 ）

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