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1、Unit 5 Revealing natureUsing language语法精讲-深化学习过去完成时（Past perfect）When did you learn English?I had learned lots of English words be loreI was 5 years old.Oh, thats great. But my parents told me I had watched many English cartoons when 1 was very young.观察上面对话，并根据提示完成句子。1 .当我到达车站时，火车已经走了。When I arrived
2、 at the station, the train had left.2 .我原以为他会告诉我实情。I had thought he could tell me the truth.3 .到上学期结束的时候，我们已经学习了 3 500个英语单词了。By the end of the last term, we had learned 3, 500 English words.一要义详析一、过去完成时的定义过去完成时既可表示过去某个时间或动作之前所发生的事情（常用时间状语有already, before, ever, just, never, still, yet）,也可表示过去某个时间或动作
3、之前所发 生的动作一直持续到过去某个时间（常接时间状语：since +时间点，for +时间段）。如：* （2020 ,全国H1卷）She had split up with her husband the week before.一周前她和丈夫分手了。* （2020 新高考全国 I 卷）Nover had he earned so much money before in his life.他一生中从未赚过这么多钱。* When he was in Beijing, he visited places where he had played as a child.他在北京的时候游览了他儿时曾
4、玩过的地方。* By the time Jack returned home from England, his son had already graduated from college. 杰克从英国回到家时，他的儿子已经大学毕业了。二、过去完成时的结构过去完成时由“had +过去分词”构成。三、过去完成时的应用.与过去完成时连用的时间状语可以多种多样，使用它的主要依据是看其是否发生在“过 去的过去”。如：*（2020 ,新高考全国 I 卷）A f 1 ood had hit the area earl ier that year and the damage i t caused had
5、 driven away a number of birds.那年早此时候，一场洪水袭击了这个地区，洪 水造成的损失赶走了一些鸟类。*1 was sent to the village last month to see how the development plan had been carried out in the past two years.上个月我被派到那个村子去看看过去两年的发展计划是如何执行的。*After Darwin had spent some time in South America, his room on the ship was crowded with s
6、amples of the plants and animals he had collected.达尔文在南美洲待了一段时 间后，船上他的房间里摆满了他收集的动植物标本。1 .过去完成时还经常用于主句为过去时的宾语从句中。如：*（2020 江苏高考）He said that he had heard the calls to preserve the boxes and had seen how some of them were listed as historic buildings.他说，他听到了保护这些箱子的呼声，也看到其中一些被列为历史建筑。*l）arvin suspected t
7、hat the finches had evolved from a common ancestor, which had arrived on the islands a long time before.达尔文怀疑，这些雀类是由一个共同的祖先进化而来的，他们很久以前就来到了这个岛上。2 .动词expect, hope, suppose, think, want等的过去完成时可用来表示未实现的计 划、打算或希望。如：*（2020 全国 I 卷）It didn* t turn out as I had wished.结果并不如我所愿。*We had expected that you wouI
8、d be able to win the match.我们原来预料你们能够赢比赛。3 .在 hardly/scarcely . . . when. . . , no sooner. . . than.两个结构中的主 句通常要用过去完成时。如：*1 had hardly opened the door when he hit me.我刚打开门，他就打了我。*He had no sooner bought the car than he sold it.他刚买了这辆车，转眼又卖了。5. It was the first/second. . . time that.这是第一/第二次*It was t
9、he third time that the boy had been late.这是那个男孩第三次迟到了。即学活用语法填空。1. (2020 ,浙江高考)By about 6000 BC, people had discovered (discover) the best crops to grow and animals to raise.2. (2020 ,新高考全国 I 卷)0ne morning she told her children about a family she had visited (visit) the day before.3. (2020 江苏高考)Inste
10、ad of getting down to a new task as I had expected (expect), he examined the previous work again.4. The professor was very unhappy when she sold her house. After all, she had lived (live) in it for a long time.5. It was the first time that he had spoken (speak) to me in such a tune. o语法主题应用o使用本单元所学语
11、法知识，完成下列短文1.2020年初，新型冠状病毒肺炎突袭中国，全国人民积极响应国家的号召待在家里来抗击病 毒。(answer the call).这是一种以前从未见过的病毒。科学家们积极采集病毒样本(collect virus samples)进 行研究。2 .正是在大家的共同努力下，新型冠状病毒肺炎得以控制。(It is. . . that.).很明显我们的努力获得了成功，创造了奇迹。(It is evident that. . . , generate wonder)In early 2020, COVID-19 made a surprise attack on China, and
12、people across the country positively answered the country s call to stay at home to fight the virus. This was a virus that had never been seen before. Scientists had collected virus samples actively for research. It was thanks to our collective efforts that COVID-19 had been brought under control. I
13、t was evident that our efforts had succeeded and generated wonders.主题活动-话题实践Revealing natureI.话题词汇environment-friend 1 y products环保产品1. take effective measures to protect rare animals 采取有效措施保护珍稀动物go against nature违背自然规律2. protect the endangered animals from being killed保护濒临灭绝的动物不被杀害3. （be） in danger
14、 of extinction/becoming extinct/dying out处于濒临灭绝的危险之中4. keep/dcimage the balance of nature 保持/破坏生态平衡create a pleasant ecological environment创造良好的生态环境live in harmony with animals和动物和谐相处5. devote to protecting wildlife致力于保护野生动物arouse people* s awareness of wild!ife protection唤醒人们保护野生动植物的意识【I .话题情境根据情境和
15、提示完成对话。1. A: With more and more trees cut down, the balance of nature（自然平衡）has been damaged, which has caused many wild animals and plants in danger of extinction（处 于濒临灭绝的危险中）.B: I can t agree more. It* s high time that we aroused/should arouse people s awareness of wildlife protection（唤起人们保护野生动物的意识
16、）.2. A: Our government should devote to protecting wildlife（致力于保护野生动物）, preventing the endangered animals from being killed（防 11：濒临灭 绝的动物被杀 害）.B: I think so. What , s more, in my opinion, effective measures should be taken （应 该采取有效的措施）to protect rare wildlife, including punishing the hunters severel
17、y.in.情境句式Everyone should take the responsibility to protect the environment. / It s everyone , s duty to protect the environment.保护环境，人人有责。1. In spite of all this, the government called on the whole nation to support the places hit by the worst disaster.尽管如此，政府还是号召全国支援被这次大灾难袭击的地区。2. The city governm
18、ent took effective measures to protect rare animals. 市政府采 取有效措施保护珍稀动物。3. The aim is to arouse public awareness of the seriousness of water shortage.Fl的是唤醒公众对水资源缺乏的严重性的意识。4. In this activity, students have raised their awareness of environmental protection.在这次活动中，学生已经提高了他们的环保意识。IV.情境交流老师正在和同学们讨论最近刚看到
19、的一篇关于濒危动物保护的文章Teacher: From the passage we know that 1. thousands of endangered animals are facing the threat of being bought and sold on the Internet（成千上万的濒危动物正面临着在 互联网上被买卖的威胁）.Student A: Traders make a great profit from it, which is illegal.Teacher: Therefore, 2. it is high time for us to take qui
20、ck action to protect them（现 在是我们迅速采取行动保护他们的时候了）. What can we do?Student B: The government should pass some laws to forbi（1 any hunting of rare animals. Student C: If I were one of the endangered animals, 3. I would hope that man could be a good friend of mine rather than my enemy （我希望人类能成为我的好朋友而不是我 的敌人）.