对于大多数由初中升入高中的学生来说,高中英语相对初中英语而言,知识容量急速扩张,解题的难度、广度、深度大大增加,五花八门的方法、技巧扑面而来。如果再加上几次不理想的考试成绩,顿使学生失去学习英语的兴趣与信心,开始怀疑自己的能力、智力,认为自己不是学习的材料,和一些优秀的同学没法相比,从惧怕到厌恶,直至放弃学习英语。
高中英语教育的目标就是:人人学“有用”的英语;人人掌握“必需”的英语。为此,教师既要准确把握课标与教材的内容与程度,又要精心设计教学活动的各个环节,时时注意调动学生的学习兴趣,促使学生主动参与到各项英语活动中来,在活动中获得成功的快乐,保护他们学习的积极性,提高学会英语的自信心。
一、抓住学生的好奇心理,帮助学生进入学习情境
我们常说,良好的开端是成功的一半。在新课的导入上精心设计教学情境,引起学生的注意力和兴趣,是学生进行学习和掌握知识的前提条件。上课铃响以后,学生尽管已经坐在教室里,但心情难以一下子平静下来,注意力也难以集中,一时还难以进入学习状态。此时,教师如果创设一种问题情境,就能把学生带入学习情境中来,有效提高教学效率。例如:中考或高考中有一种设题称为“动词短语的逆向” 设题,即:对于结构为“动词+宾语+介词+介词宾语”之类的短语“make use of something, have trouble / difficulty (in) doing something”等等,相信绝大部分学生都很熟悉它们的常规用法。 所谓“常规”用法就是把此类短语中的介词之前(包括介词)部分看作固定不变的整体,进行变化的只是介词后面的部分。如:
(1) He made use of waste plastic in this article of handiwork.
(2) You can make use of your dictionary when doing this spelling exercise.
(3) Did you have any difficulty in getting to the top of the hill yesterday?
(4)He was sure to have great difficulty giving up smoking.
但是,对于下面的题目,有的学生可能会感到无从下手。如,
(1)The ___ that our body makes ___ food lies mainly in our digestion.
A. advantage; of B. use; in C. use; of D. advantage; over
(2) Thank you for all the trouble you ___ my baby yesterday.
A. had to look after B. had looking after C. had looked after D. have had looked after
正确答案分别是:1)C 2)B 在上面两个题目中我们发现,对此类动词短语的考查角度有一个显著特点,即不把介词及其以前的部分看作固定不变的整体,而是恰恰就把考查重点放在我们本以为是整体的那一部分;并且考查的方式是把该动词短语中的动词宾语前置为先行词,其余部分作为一个定语从句。这样,就把此类短语的考查放在一个比较复杂的句子结构里。本文就把对此类短语的这种“反常规” 用法称作“逆向”用法。请继续看如下例子:
(3) We appreciate ___ you ___ in organizing this contest.
A. a part; took B. a part; played C. the part; took D. the part; played
(4) Don’t you realize the damage these chemicals ___ our environment?
A. are doing to B. is resulting in C. are making for D. is leading to
(5) He is doing research into the adverse effect that modern farming methods may ___ the environment. A. make B. have on C. bring on D. damage
(6) Finally, they agreed on the date he ___ the next meeting.
A. set about B. set out C. set off D. set for
(7)I think the ___ you ___ her was too much.
A. jokes; played on B. role; played in C. joke; played on D. part; played in
(8) He was cited for the great contributions he ___ promoting awareness of environmental issues.
A. was B. had made towards C. had been D. made in
以上6题分别用到这样几个动词短语: play a part in doing sth.;do damage to sth.; have an effect on sth.;set a date for sth.;play a joke on sb.;make contributions towards doing sth.。
正确答案是:3) D4) A5) B6) D7) C8) B
具有这种“逆向”用法的类似动词短语还有很多,比如,do harm to;pay attention to;set a record for sth.;take pains to do sth/ over/with sth.;take trouble over / with sth;take trouble doing sth;take a picture/photo of sb. sth.。
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二、降低难度是激发培养学习兴趣的法宝
学生对学习英语失去兴趣和信心,有一个最重要的原因是在学习中没有尝到甜头。而让学生品尝到甜头的唯一有效办法是减少知识总量,降低学习难度。基于此,我总是把一个大的教学目标细分成若干个学生容易达到的小目标,学生在不断获得小成功的过程中渐渐产生了学习英语的兴趣和信心。在得到一次次的激励和表扬后,一步一步迈向成功。
三、让学生在操作、演示的实践中,自主体会学习兴趣
丰富多样的问题导入是提高课堂教学效益的前提,但光有这一点,还是不够的。有些知识内容,即使是老师做了详细的讲解,学生也不能真正理解,短时间记住了,过段时间还是会遗忘。英语中的很多概念、定义在老师看来很简单,学生往往理解起来很困难。这就要求教师切实抓好由感性认识到理性认识这一教学环节,让学生亲自操作、演示,经历知识获得的过程。例如:高考考查非谓语动词的一般规律是:在题干中给定句子的主体结构,要求学生根据句意从A、B、C和D四个选项中选一个正确的非谓语动词形式。但不可忽视的是,各地高考中也有一种特例——“颠倒”的考法,即在题干中给定非谓语动词形式,要求考生据此从下面四个选项中选出一个正确的句子。请看下面的实例:
1. While watching television, _______. ( 09上海市高考卷 )
[8]电大学习网.免费论文网[EB/OL]. /d/file/p/2024/0425/fontbr /> A. the doorbell rang B.the doorbell rings C. we heard the doorbell ring D. we heard the doorbell rings
解析:答案选C。句子的主语we也是现在分词短语watching television的逻辑主语,While watching television是While we were watching television的省略形式。此外,根据“hear sb. do sth.”结构,可以判断句后用原形动词ring作heard的宾语补足语。
2. Having been attacked by the terrorists, _______. ( 09湖北高考卷 )
A. doctors came to their rescues B. the tall building collapsed
B. an emergency measure was taken D. warnings were given to tourists
解析:答案选B。句子的主语the tall building也是句首现在分词短语的逻辑主语,Having been attacked by terrorists作时间状语,相当于时间状语从句After it ( = the tall building ) had been attacked by terrorists。
3. In order to improve English, _______.( 09北京市高考 )
A. Jenny’s father bought her a lot of tapes B. Jenny bought a lot of tapes for herself
C. A lot of tapes were bought by Jenny D. A lot of tapes were bought by Jenny’s father
解析:答案选B。句子的主语Jenny应是动词不定式短语to improve English的逻辑主语,而这个不等式短语又是bought…for herself的目的状语。
4. Given more attention, ______. ( 09河北高考卷 )
A. we could have grown the tree better B. the tree could have grown better
C. and the tree could have grown better D. and we could have grown the tree better
解析:答案选B。在分词短语和句子主体结构之间不用任何连词,所以应首先排除C和D项。句子的主语the tree 也是句首过去分词短语Given more attention的逻辑主语。从句中could have grown看,句子含虚拟语气,Given more attention可转化为假设条件从句If it ( = the tree ) had given more attention。
5. When completed, _____. ( 09山西高考卷 )
A. people will go and visit the museum next year B. the city will have a new museum next year
C. the museum will be open to the public next year D. many things will be on display in the museum next year
解析:答案选C。句子的主语the museum也是过去分词completed 的逻辑主语,When completed是被动式时间状语从句When the museum is completed的省略形式。
6. Not having received her answer, ____. ( 09江苏高考卷 )
A. he decided to write to her again B. her letter must have been lost
C. the postman could not have given him her letter D. another letter was sent to her
解析:答案选A。句子的主语he也是否定式现在分词短语Not having received her letter的逻辑主语。
综上分析,考生做这类单选试题时应该注意的是:所选正确项的主语必须能充当句首非谓语动词(短语)的逻辑主语。
学生在动手操作中兴趣盎然,结论是学生自己争论得到的,所以印象深刻,顺利地完成了教学任务。在教学中凡是学生可以亲自动手体验的内容,我都会不失时机地让学生亲身体验一下。
教师只有从感觉上引导,在难度上降低,在过程中鼓励,才能激发出学生的学习兴趣,调动起他们学习的主动性,这样的学习才能持久和有效。
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