Unit 5 Into the Wild understanding ideas Language points 课件-2024-2025学年高一上学期英语外研版（2019）必修第一册

B1U5 Developing ideas Language points 1. Many animals move from one place to another at certain times of the year. 从一个地方到另一个地方 adj.特定的 2. One of the most wonderful migrations in nature is that of the North American monarch butterfly. one of + 名词复数，谓语动词用单数，表示“……中之一” 【语境应用】 1) One of my favorite sports ___ (be) jogging in the morning. 2) You must notice that one of your ________________ (shortcoming) is lack of patience. is shortcomings 改写下面一句话，使句子变得更加简洁。 The population of China is larger than the population of the UK. that that用来指代前面提到的内容，所指代的名词可以是可数名词，也可以是不可数名词。这一用法可以让句子更加简洁，避免重复与累赘。 3. Every autumn, millions of these beautiful insects with fine black and orange wings begin a long and difficult journey. millions of, hundreds of, thousands of, billions of 等属于概数词，of后面接可数名词复数，短语前面不可以加具体的数词。 eg ________(Million) of people went back to their hometown at Spring Festival. 4. Somehow they manage to travel around 4,000 kilometres south and find their way to California or Mexico. manage to do sth: = succeed in doing sth 设法干成某事 eg We managed ________(get) to the airport in time. How did you succeed ___________(persuade) him? to get persuading 辨析 try to do sth.: to make an effort to do sth. 尽力去做某事（成功与否不确定） manage v. 管理，经营; 安排(时间、金钱等); 设法做到 manager n. 经理 management n. 管理 5. However, until recently no one knew how they did this. 翻译: ____________________________________________________________ 连接副词how引导的(2)____________从句。 然而,直到最近,也没有人知道它们是如何做到这一点的。 宾语 【语境应用】 1.我不知道这件事是怎么发生的。 2.你能告诉我们他们在做什么吗? 。 I don't know how it happened. Can you tell us what they are doing? 7 6. A team of scientists led by Professor Eli Shlizerman at the University of Washington has now found the answer. They have found out that the monarch is able to tell the time of day. led by Professor Eli Shlizerman 作后置定语 What’s the language_____________(speak) in Guanyang? spoken 8 6. A team of scientists led by Professor Eli Shlizerman at the University of Washington has now found the answer. They have found out that the monarch is able to tell the time of day. find 强调“找”的结果 find V.S. find out find out 强调“找”的过程 （着重表示通过理解、分析、思考、询问等“弄清楚”“查明”一件事情，其后的宾语常常是某个情况、事实） 9 7. The solution to the mystery of the monarch’s amazing ability comes at a time when it is in serious trouble. the solution to sth. ……的解决方法 “...的方法”相关表达 the solution to (doing) sth. the way to do sth. means of doing sth. eg He is in serious trouble and needs my help. “in+抽象名词” 短语有： in danger(处于危险) in debt (处于负债中) in despair (处于绝望中) in doubt(怀疑) in need(需要) in shock(震惊) 8. It’s population has crashed by as much as 90 per cent in the last few years. population 人口，人口数量，作主语时谓语动词单复数根据意思来定。提问人口数量多少时只能用what，不能用how many。 【语境应用】 1.The population ____(be)increasing at about 6% per year. (population当做整体) 2.One third of the world’s population __________(consume) two thirds of the resources. 3.______’s the population of China? is What consume (s) crash v. suddenly lose a lot 暴跌 【拓展】 A track went out of control and________(crash) into the bus. crash n. 碰撞；碰撞声；暴跌；失败；奔溃 decline/decrease/go down 减少；下降 rise/increase/go up 增加；上升 crashed 9. Sadly, human activity is the main reason why the number of monarch butterflies is falling. the number of ……的数量中心词是number, 在句中作主语时谓语动词单复数和number一致。 【拓展】 a number of +n. [pl]，许多，大量 可用large或small来修饰。作主语时，谓语动词用复数。 【语境应用】用be的恰当形式填空。 Nowadays, a large number of animals ______ (be) in danger because of human activities. We do believe that the number of some animals _____ (be) increasing day by day. are is 10. They cut down trees and use chemicals that kill the plants that monarch caterpillars eat. 本句中包含两个由关系代词that引导的定语从句。第一个定语从句中，先行词是chemicals，关系代词that在定语从句中作主语，可用which替换；在第二个定语从句中，先行词是plants，that在定语从句中作宾语，可省略。 cut down 削减；降低；戒掉；砍倒 ①删除；切/剪/割下；停止 ______________ ②使难过；切碎 ______________ ③切掉；阻隔；中断 ______________ ④插嘴；干预 ______________ 【即学即用】 ⊙They were almost completely cut ___from the outside world. cut out cut up cut off cut in off 11. The research on the monarch’s behaviour has however led to a greater awareness of this creature. para.5 lead to导致：result in; cause 12. The more we know about this lovely creature, the greater the chance it will survive and keep its place in the natural world for a long time to come. the +比较级 ……, the +比较级 越…….越……(前者是条件，后者是结果) eg The more I know him, the more I like him. 学生们学习越努力，进步就越大。 ________ __ the students study, ________ ________ ____ they will make. The harder the greater progress 【拓展】 对比另一种形容词/副词比较级用法： 比较级+ and +比较级，意为“越来越……” eg China is becoming stronger and stronger. 【语境应用】翻译下列句子。 中国人民的生活越来越好。 The lives of Chinese are better and better. lovely adj. pleasant or enjoyable 可爱的，令人愉快的 英语中有些以“-ly”结尾的词是形容词，常见的有：friendly，likely (很可能的)，deadly(致命的)，lively(活泼的)， lonely (孤独的，荒凉的)，daily，weekly， monthly， yearly等。 重点短语☆汉译英 1. 寻找，寻求______________ 2. 成功做某事，尽力做某事 ______________ 3. 找到去……的路 ______________ 4. 砍倒，砍伐 ______________ 5. 导致；通向 ______________ 6. 喂养，养育 ______________ 7. 在去某地的路上 ______________ 8.毕竟，终究 ______________ after all in search of manage to do sth find one’s way to cut down lead to feed on/upon on one’s way to Thank you! $$