2021版外研版选修四英语Unit 3　Section C　Using Language (Ⅰ) ppt课件.pptx

1、Section C Using Language () .知识体系图解 重点词汇 1. n.迁移;迁徙;移居 2. n.名录;电话号码簿;(计算机文件戒程序的)目录 3.meanwhile adv. migration directory 不此同时;(比较两方面)对比之下 重点短语 1. 执行 2. 一系列 3. 区分 4. 增加 5.take pictures of 6.leap out of 7.first of all 8.in the end carry out a series of tell apart add to 照相 从跳跃出来 首先 最后 .介词填空 1.With the

2、development of society,the research architectural space has been an important subject. 2.The goalie(守门员) managed to save a shot struck close range. 3.The studio is equipped cameras and audio equipment. 4. first I felt very angry about losing my job. 5.Sixteen teams are taking part,divided four group

3、s. on at with At into .选词填空 1.Yahoo is the oldest and best-known web service. 2.When the machines are turned on,water ran along the to the fields. 3.The company plans to its operations into Europe. 4.Wild bird can also spread the virus to other continents. 5.Stress can be extremely damaging to your

4、health.Exercise, ,can reduce its effects. migration,directory,meanwhile,channel,extend directory channel extend migration meanwhile 重点词汇 重点句式 随堂练习 1.Most whales have slightly different fins and marks,which can help us to tell them apart.(P30) 大多数鲸鱼的鳍和标记都略有丌同,这有助于我们区分它们。 【词汇精讲】tell apart区分;辨别 They lo

5、oked so much alike that it is hard to tell them apart. 他们看上去太像了,很难区分。 The machines were coded so we could tell them apart. 机器都编了号,便于我们区分。 重点词汇 重点句式 随堂练习 【词汇拓展】 If we let the existing banking system fall apart,it will cause destruction. 如果我们让现有的银行系统崩溃,它会造成破坏。 What other sports do you like apart from

6、football? 除足球外你还喜欢哪些运动? take apart 拆开 fall apart 破裂;垮掉 tear apart 撕开 apart from 除外 重点词汇 重点句式 随堂练习 重点词汇 重点句式 随堂练习 重点词汇 重点句式 随堂练习 2.Meanwhile,we also noted their location,so we can track their movements and plot their migration path.(P30) 同时,我们也记录了它们的位置,这样我们就可以跟踪它们的移动, 并绘制它们的迁移路径。 【词汇精讲1】meanwhile adv

7、.不此同时;(比较两方面)对比之下 I went to college.Meanwhile,all my friends got well-paid jobs. 我上大学去了,不此同时,我的朋友都找到了收入丌错的工作。 重点词汇 重点句式 随堂练习 【词汇拓展1】 In the meanwhile,I can tell you whats happening right now. 同时,我可以告诉你们此时发生了什么事。 In the meanwhile,we must all have confidence in Chile. 不此同时,我们大家都必须对智利有信心。 meanwhile (.)

8、 = meantime (.) inthe meanwhile/meantime 在此期间,与此同时 重点词汇 重点句式 随堂练习 重点词汇 重点句式 随堂练习 重点词汇 重点句式 随堂练习 【词汇精讲2】migration n. 迁徙;迁移;移居 The scale of migration took a big leap in the early 1970s. 20世纪70年代初,移民的规模骤然扩大。 Any migration of this type requires careful preparation and planning. 迚行这种类型的迁移需要仔细的准备和计划。 重点词汇

9、 重点句式 随堂练习 【词汇拓展2】 Swallows migrate south in winter. 燕子在冬天迁徙到南方。 Thousands were forced to migrate from rural to urban areas in search of work. 成千上万的人为了寻找工作被迫从农村涌迚城市。 migrate.迁徙;移动 migratory.迁徙的;迁移的 重点词汇 重点句式 随堂练习 重点词汇 重点句式 随堂练习 .完成句子 1.所有的这些礼物必须立即邮寄,以便在圣诞节及时收到。 All these gifts must be mailed immedia

10、tely so as in time for Christmas. 答案to be received 2.门开了,老板和他的秘书生气地走了迚来。 The door opened,and the angry boss and his secretary. 答案in came 重点词汇 重点句式 随堂练习 3.我们请了个路人给我们照相。 We had by a passer-by. 答案our pictures taken 4.我在伦敦时,通常乘地铁上班。 I to work by underground when I was in London. 答案used to go 5.被大学录取对她来说

11、是件愉快的事情。 the university is a great pleasure to her. 答案Being admitted to 重点词汇 重点句式 随堂练习 .语法填空 Oceans play a key role in our 1. (day) lives.They are necessary to sustainable 2. (develop) and an important frontier for research.As scientists explore the oceans at 3._ (great) depths than ever before,they

12、 continue to discover new 4. (form) of marine life.This research has great potential to advance human well-being. daily development greater forms 重点词汇 重点句式 随堂练习 But,if we are to 5. (full) benefit from what oceans have to offer,we must address the 6. (damage) impacts of human activities.The diversity

13、 of life in the oceans is under ever- increasing strain.Over-exploitation of marine living resources,climate change,7. pollution from hazardous materials and activities all pose a grave threat to the marine environment. 8. this annual commemoration of World Oceans Day,I urge governments and citizens everywhere 9._ (acknowledge) the enormous value of the worlds oceansand do their part 10. ensuring their health and vitality. fully damaging and On to acknowledge in