2019-2020学年英语北师大版选修8课件：22-2 LESSON 2　ENDANGERED SPECIES .pptx

1、Lesson 2Endangered Species合作探究新课堂自主预习新发现一二三一、释义搭配1.behalf a.a curved piece of metal for hanging2.seizeb.the main area of land of a country3.hookc.to take control of a place or situation,often suddenlyand violently4.mainlandd.an animal with a hard round shell5.tortoisee.as the representative of sb.or

2、 instead of sb.答案:1.e2.c3.a4.b5.d合作探究新课堂自主预习新发现一二三二、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 sth.否则,不然合作探究新课堂自主预习新发现一二三三、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合作探究新课堂自主预习新发现一

3、二三The Yangtze Dolphin is an endangered1.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.Hunte

4、rs in general have a lot 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 合作探究新课堂自主预习新发现12356471.answer for(对已产生的不良后果)负责任You will have to answer for your behaviour one d

5、ay.总有一天你要为你的行为承担责任。Who 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?合作探究新课堂自主预习新发现1235647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

6、for it that.”意为“保证”,其中it是形式宾语,真正的宾语是that引导的从句。合作探究新课堂自主预习新发现1235647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 合作探究新课堂自主预习新发现12356472.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。

7、The army has seized power.军队夺取了政权。合作探究新课堂自主预习新发现1235647(1)阅读下面句子归纳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”。(2)辨析:take,grasp,snatch和seize这些动词均有“抓住,握紧”之意。take是最

8、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。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。合作探究新课堂自主预习新发现1235647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 合作探究新课堂自主预习新发现12356473.call for an end to sth.要求结束They hav

9、e called for an end to violence.他们呼吁停止暴力。Many people in that country are calling for an end to the war.那个国家的很多人要求结束战争。合作探究新课堂自主预习新发现1235647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 appoint

10、ment off.他给我打电话取消了这次约会。Im planning to call on an old friend 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。合作探究新课堂自主预习新发现1235647归纳 call back 表示“回电话”;call in 表示“下令或请求收回某物”;call off

11、 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)”。合作探究新课堂自主预习新发现1235647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 h

12、ead.(5)He had to call the meeting because of the bad weather.(6)Ill 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 合作探究新课堂自主预习新发现1235647(8)The government then called troops to deal with the disturbances.(9)The old photo calls

13、memories of my childhood.(10)As a matter of fact,many people are calling an end to the argument.in up for 合作探究新课堂自主预习新发现12356474.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

14、will be out of condition.多锻炼,否则你会身体不好的。Youd better give me my book,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”。合作探究新课堂自主预习新发现1235647活学活用语法填空Be careful.else you will make a mistake.Or 合作探究新课堂自主预习新发现12356475.wrap up 结束Lets wrap up the discussion.让我们结束这次讨论吧

15、。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 outside.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 合作探究新课堂自主预习新发现12356476.on sb.s behalf 代表On behalf of my colleagues

16、 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 Queen 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”。合作探究新课堂自主预习

17、新发现1235647表示“代表”的还有in place of,represent,stand for和take the place 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 合作探究新课堂自主预习新发现12356477.carry off 掠去,夺走He carried

18、off the treasure from the island.他从岛上夺走了财富。That bad habit carried 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”。合

19、作探究新课堂自主预习新发现1235647(2)归纳与carry 相关的其他短语的用法【高考典句】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可耻的。No matter what difficulty you will meet with,carry out your plan.不管你遇到什么困难,都要执行计划。His courage will carry him through.他的勇气会使他渡过难关。归纳 carry on 表示“继续”;carry out 表示“执行,履行;进行”;carrythrough表示“使渡过难关”。合作探究新课堂自主预习新发现1235647活学活用语法填空A small number of films carried most of the prizes last week.off