2019_2020学年高中英语Unit22EnvironmentalProtectionLesson2EndangeredSpecies课件北师大版.pptx

1、Lesson 2Endangered Species,一,二,三,一、释义搭配 1.behalfa.a curved piece of metal for hanging 2.seizeb.the main area of land of a country 3.hookc.to take control of a place or situation,often suddenly and violently 4.mainlandd.an animal with a hard round shell 5.tortoisee.as the representative of sb.or inst

2、ead of sb. 答案:1.e2.c3.a4.b5.d,一,二,三,二、短语互译 1.all in all 2.除以外 3.for good 4.代表 5.answer for 6.掠去,夺走 7.wrap up 8.要求结束 9.or else,总的来说,apart from,永远,on sb.s behalf,(对已产生的不良后果)负责任,carry off,结束,call for an end to.,否则,不然,一,二,三,三、长江中华白海豚急速减少,濒临灭绝。阅读下面的短文,并用所给单词或短语的适当形式填入空白处,一,二,三,The Yangtze Dolphin is an e

3、ndangered1. .It is sometimes called “the panda of the Yangtze River” because it is so rare.Its numbers are decreasing due to pollution in the river and the fact that they are often caught by fishermens2. and trapped in their nets.Hunting in the past also reduced numbers.Hunters in general have a lot

4、 to3. in terms of 4. animals. Education programmes on the Yangtze Dolphin have been set up but much more needs to be done to5. these animals.,species,hooks,answer for,endangered,protect,1,2,3,4,5,6,7,1.answer for(对已产生的不良后果)负责任 You will have to answer for your behaviour one day. 总有一天你要为你的行为承担责任。 Who

5、will answer for the childrens spending so much time on the Internet? 谁应该为孩子们花大量时间上网负责任?,1,2,3,4,5,6,7,阅读下列句子归纳answer for的其他含义 He will answer for his mischief. 他将为他的恶作剧受到惩罚。 I will answer for it that he will accomplish the task. 我愿意担保他能完成这项任务。 归纳:answer for 还可以表示“因而受罚”,“answer for it that.”意为“保证”,其中i

6、t是形式宾语,真正的宾语是that引导的从句。 活学活用 语法填空 (1)If you go on doing this,we wont answer the consequence. (2)I cannot answer for that he will come.,for,it,1,2,3,4,5,6,7,2.seize vt.依法没收;(用武力)夺取 They seized the drugs and arrested the people on the boats. 他们没收了毒品并逮捕了船上的人。 The army has seized power. 军队夺取了政权。 (1)阅读下面

7、句子归纳seize的其他含义 Dont hesitate;seize the first opportunity that comes along! 不要犹豫,一有机会就抓住它! The elephant seized a nearby branch and put it into her mouth. 大象抓住附近的一根树枝并把它放进嘴里。 归纳:seize 还可以表示“抓住”。,1,2,3,4,5,6,7,(2)辨析:take,grasp,snatch和seize 这些动词均有“抓住,握紧”之意。 take是最普通用词,不带感情色彩。指用手抓取某东西或控制某物。 grasp指紧紧抓住、抓牢

8、。 snatch指突然抢走,侧重动作快或具有暴力性质。 seize指突然抓住某物,强调突然的猛烈动作。 活学活用 语法填空 Suddenly,a tall man driving a golden carriage (seize) the girl and took her away,(disappear) into the woods.,seized,disappearing,1,2,3,4,5,6,7,3.call for an end to.要求结束 They have called for an end to violence. 他们呼吁停止暴力。 Many people in tha

9、t country are calling for an end to the war. 那个国家的很多人要求结束战争。 阅读下列句子,归纳与call相关的短语的用法 Hes not in.Please call back later. 他不在家。请过一会儿再打来。 The library called in all overdue books. 图书馆要求把所有逾期未还的书收回。 He phoned me and called the appointment off. 他给我打电话取消了这次约会。,1,2,3,4,5,6,7,Im planning to call on an old fri

10、end tonight. 我打算今晚去拜访一位老朋友。 Your letter calls up the days when we worked together. 你的来信使我想起了我们在一起工作的日子。 She asked him to call at Browns Hotel to see her daughter. 她要他去布朗旅馆见她的女儿。 归纳:call back 表示“回电话”; call in 表示“下令或请求收回某物”; call off 表示“取消”; call on 表示“拜访(某人)”; call up 表示“使回忆起”; call at表示“拜访(某地)”。,1,2

11、,3,4,5,6,7,活学活用 语法填空 (1)At the concert the singers will call everyone to protect the environment. (2)I got into the habit of calling on Gloria on my way home. (3)This is the work that calls carefulness. (4)The occasion calls a cool head. (5)He had to call the meeting because of the bad weather. (6)I

12、ll call him tomorrow.Do you want to visit him with me? (7)Our new friends called our house last week.,on,in,for,for,off,on,at,1,2,3,4,5,6,7,(8)The government then called troops to deal with the disturbances. (9)The old photo calls memories of my childhood. (10)As a matter of fact,many people are cal

13、ling an end to the argument.,in,up,for,1,2,3,4,5,6,7,4.or else 否则,不然 Stop smoking now,or else your health will be ruined. 现在别再抽烟了,否则你会毁了自己的健康。 Get up early,or else you will be late. 早点起床,要不然你就会迟到。 其他表示“否则”的词 Do more exercise or you will be out of condition. 多锻炼,否则你会身体不好的。 Youd better give me my book

14、,otherwise Ill fail my test. 你最好把我的书给我,否则我的测验将要不及格了。 归纳:除了or else 之外,or 和otherwise 也可以表示“否则”。,1,2,3,4,5,6,7,活学活用 语法填空 Be careful. else you will make a mistake.,Or,1,2,3,4,5,6,7,5.wrap up 结束 Lets wrap up the discussion. 让我们结束这次讨论吧。 阅读下列句子归纳wrap up 的其他含义 You need to wrap up warmly.It is very cold outs

15、ide. 你得穿暖和点,外面很冷。 I wrapped the baby up in a blanket. 我用毯子把婴儿裹了起来。 归纳:wrap up 还可以表示“穿得暖和”和“裹,包”。 活学活用 语法填空 There is little time left.Now,when can you wrap those reports?,up,1,2,3,4,5,6,7,6.on sb.s behalf 代表 On behalf of my colleagues and myself I thank you. 我代表我的同事和我本人向你表示感谢。 They presented the Quee

16、n with a bouquet on behalf of the students. 他们代表学生们向女王献花。 Jack is not present,so I shall accept the prize on his behalf. 杰克不在场,所以我将代表他领奖。 Dont be uneasy on my behalf. 不要为我担心。 归纳:on sb.s behalf(=on behalf of sb.)可以表示“代表”,也可以表示“为了”。,1,2,3,4,5,6,7,表示“代表”的还有in place of,represent,stand for和take the place

17、 of等。 Do you want another girl sent along in place of Miss Lewis? 你想让(他们)派另外一个姑娘来代替刘易斯小姐吗? 活学活用 语法填空 Im not appealing for myself,but doing so behalf of millions of fresh college graduates.,on,1,2,3,4,5,6,7,7.carry off 掠去,夺走 He carried off the treasure from the island. 他从岛上夺走了财富。 That bad habit carri

18、ed off her health. 坏习惯毁了她的健康。 (1)阅读下列句子归纳carry off 的其他用法 She carried off most of the prizes for swimming. 她获得游泳项目的大多数奖。 Shes had her hair cut really short,but she can carry it off. 她的头发剪得太短了,不过她还是若无其事的样子。 归纳:carry off 除了表示“夺走”,还可以表示“赢得,成功地对付”。,1,2,3,4,5,6,7,(2)归纳与carry 相关的其他短语的用法 【高考典句】 (2016天津高考)I hate it when she calls me at workIm always too busy to carry on a conversation with her. 我不喜欢她在我工作时给我打电话我总是太忙,不能和她进行会话。 Its a shame that some people dont carry out their promises. 那些不履行诺言的人是