浙江省衢州市高中英语《Unit 2 Working the land》教案 新人教版必修4.doc

unit 2 working the landperiod 3 language points11.教材分析（analysis of teaching material）this period is about the important vocabulary of this unit. it is easier for them to remember these words in the context. also when teaching, teachers are requested to explain each of these words carefully, including their forms and usages in all context. after learning, some practices are necessary for ss to consolidate. 2.学情分析（analysis of the students）some ss have the difficulty of using words and expressions. in order to understand these important points thoroughly, ss can first understand their meanings in the context, then give some explanations about them, and later offer some practices to make sure ss master their usage.3.教学目标(teaching aims)知识目标(knowledge aims)a. 重点词汇和短语vocabulary: sunburnt, struggle, decade, super, output, crop, hunger, disturbing, expand, vietman, circulate, satisfied, freedom, hybrid, strain, sorghum, peanut, darken, organic, fertilizer, fertileexpressions :rid . of, be satisfied with, lead a . life, would rather, refer to, search for, thanks to, wouldratherb. 重点句子 suggestions & advice:i would rather . if i have a choice id choose because .i dont like . because . you need to .id prefer . because .may i suggest .its a great pity that .let me suggest leng jianli because.should i/we .? 能力目标(ability aims)talk about agriculture: a pioneer in farming -yuan longpingtalk about organic farming & green foodhow to write a brief summarytry to consolidate how to express suggestions & advice情感目标（emotional aims）let ss know the importance of agriculture in peoples lives.let ss have a general idea about country life and the condition of chinese farmers.help ss fully understand the value of scientist yuan longpings scientific research.4.教学重点和难点（teaching important points and difficult points）#teaching important points:the usage of the important words and the -ing form used as subject and object.#teaching difficult points:how to use the words and expressions and the -ing form freely.5.教学过程(teaching procedures)step1 revision1. check the homework exercises.2. ask some ss to talk about dr yuan longping and his super hybrid rice.step2 studying important language points1. if so=if you have ever grown some plants.so 表示“象那样的，如前所说的”，用于代替已陈述的事。如：-can you pass the exam?-i hope so.2. dr yuan grows what is called super hybrid rice.袁博士种植了被人称作超级杂交水稻的稻谷。what =the thing(s) thate.g. i dont quite understand what you are explaining. please watch what i am doing carefully.1). _the emperor saw was quite different from_ the old minister told him.a. what, that b. that, whatc. which, that d. all, all 2). it is pretty well understood _controls the flow of carbon dioxide in and out the atmosphere today.a. that b. when c. what d. how 3. this special strain of rice makes it possible to produce one-third more of the crop in the same fields.这种特殊的稻种使得同样的田地多收获三分之一的产量。it 在句中作形式宾语，真正的宾语为to produce, 结构为：动词（make, feel, think, regard）+it +adj+ to do.e.g. we think it important to learn english well.4. born in a poor farmers family in 1931,dr. yuan graduate from southwest agriculture college in 1953. 袁博士1931年出身于一个贫苦农民的家庭，1953年毕业于西南农学院。 graduate n. a person who has completed a university degree course. 毕业生 undergraduate 本科毕业生post-graduate 硕士毕业生，研究生graduate vi. complete an educational course. 常跟介词from，表示“毕业于”graduation n. 毕业e.g. after his graduation from college, he went to work as an engineer in a company.=after he graduated from college, he went to work as an engineer in a company.supplement :bachelors degree 学士学位masters degree 硕士学位doctors degree 博士学位5.since then, he has devoted his life to finding ways to grow more and more rice. 从那以后，他就把毕生精力投入到水稻高产的研究中。devote oneself to+ n/doing 献身于，致力于注意：to 为介词，后面接v-ing.类似的短语还有look forward to, listen to, get to, reply to, apologize to, belong to, agree to等等.6. dr yuan searched for a way to increase rice harvest without expanding the area of fields.袁博士寻求一种在不扩大种植面积的情况下提高水稻产量的方法。注意：search强调搜查，一般表示目标明确范围较小。search sb 搜身；search spl 搜查某地search for 强调寻找，一般表示范围较大。search for sb 寻找某人e.g. the police searched the woods for the lost child.警察在树林里寻找失踪的小孩。scientists are still searching for a cure to the common cold.科学家们仍然在寻找普通感冒的治疗方法。search/search for/in search of1).the officer went up _the murder.2).the thieves are _the hidden treasure in the museum.3).birds fly to the south _the winter sunshine.7. thanks to his research, the un is trying to rid the world of hunger.由于他的研究，联合国正在努力清除世界饥饿。thanks to=because of ;owing to e.g._, we won the game.由于你的支持，我们赢得了比赛。8. using his hybrid rice farmers are producing harvests twice as large as before.用他的杂交水稻种子，农民们种出比以前多一倍的粮食。倍数词（twice/half/three times/a quarter etc.）+as + 形容词原级 +as 表示“是的多少倍e.g. the number of the students in our school is _ in their school.我们学校学生的数量是他们学校的两倍。9. however, he cares little about spending the money on himself or leading a comfortable life.但是他很少想到要把钱花在自己的身上，或享受舒适的生活。lead a life 过生活。英语中少数动词，包括一些不及物动词的宾语可能是与它同源的名词类似的短语动词有：die a death, smile a smile, dream a dream, live a life, sigh a sigh etc.care (little/much) about-be concerned about 关心，介意，后面跟从句时候，about常省略。care for-look after 照料； like or want 想要，喜欢e.g. albert einstein didnt care much about what to wear. would you help to care for my pet while i am away?10. dr yuan is more a farmer than a scientist.与其说袁博士是一个科学家不如说他是一个农民。be more than=not only 不仅仅，超过e.g. learning is more than reading.be more +a +than +b 与其说是b还倒不如说是ae.g. he is more an ordinary person than a leader.板书设计：graduate n. 毕业生 undergraduate 本科毕业生post-graduate 硕士毕业生，研究生graduate vi.常跟介词from，表示“毕业于”graduation n. 毕业bachelors degree 学士学位masters degree 硕士学位doctors degree 博士学位search sb 搜身；search spl 搜查某地search for 强调寻找，一般表示范围较大。search for sb 寻找某人thanks to=because of ;owing to倍数词（twice/half/three times/a quarter etc.）+as + 形容词原级 +as 表示“是的多少倍问题研讨(problem study):课堂提问1. do you know the usage of “it” in all kinds of situation?2. can you tell the difference of “search”,”search for”,”in search of”?3. in what situation can we use the ing form?作业用所给词的适当形式填空(a level)1 我把你当作朋友2 她靠着非常微薄的收入艰难地供养一家人3 他们在树林里寻找走失的小孩4 他走开去找些火柴5 这个房间配有空调6有人向王女士提供充足的钱1. i regard you as a friend.2.she is struggling to bring up a family on a very low income.3.they searched the woods for the lost child.4.he went off in search of some matches.5.this room is equipped with air conditioner.6. enough money is supplied to miss wang.词汇检测 用所给的单词或词组的正确形式填空(有多余选项)（b level）would rather, be satisfied with, thanks to, insist on, care about, refer to, lead a .life, exchange for, rid of1)he got the first prize in the speech contest. his teacher_his performance.2) it is really a hot day. i _ stay in the house withair-conditioning than go out shopping.3) please_ the last page of the book for answers after doing the exercises.4) _ your help, we could finish the task on time.5)most of the people in remote mountainous area _ _ poor _.6) next week i will fly to britain on business. now i want to _ some rmb yuan_ british pounds.7) when a child knows that he _, he feels safe and secure.8) the girl struggled to_ herself _ her fears.9) some schools _ their students wearing school uniforms.keys; 1) was satisfied with 2) would rather 3) refer to 4) thanks to 5) lead a .life 6) exchange for 7) is cared about 8) rid of 9) insist on句型转换（c level）根据a句句义，用适当的句型或短语完成b 句,使其句义相同或相近。1. a: c