新人教版八年级英语下册unit4全单元教案小学教育小学学案小学教育小学学案.pdf

新人教版八年级英语下册 unit4 全单元教案 1/35 Subject English Teaching Class Teaching Time 主 备教 师 辅 备教 师 Teaching article Unit 4 Why dont you talk to your parents?Section A 1(1a-2d)Teaching aims Knowledge goals 1)能掌握以下单词：allow,wrong,guess,deal,work out 2)能掌握以下句型：Whats wrong?Im reall y tried because I studied until midnight last night.You could give him a ticket to a ball game.I think you should ask your parents for some money.Why dont you talk to him about it?Ability goals (1）能够运用所学知识谈论问题和困难、提出建议并做出选择；（2）能根据对方所提出的问题，给出一些合理的建议。Moral goals 培养学生良好的合作意识，鼓励学生大胆表达自新人教版八年级英语下册 unit4 全单元教案 2/35 己的想法和意愿。正确认识生活中的一些困难，能采用正确的方式解决生活中的问题。Teaching keys 1)Talk about the problems.2)Learn the new language points.Teaching difficult 1、能根据对方所提出的问题，给出一些合理的建议。2、学会表达建议的一些方式。Teaching aids A tape recorder.Some pictures Teaching methods Listening and practicing methods,pair work,Task-Based Learning method.Teaching procedures Items Teacher Activity Students,Activity Teaching procedures Step 1 Warming up 1.导入学生们平时在学校和生活中存在的问题。T:Whats the matter/Whats wrong?S:He has too much homework to do.T:Do he like to do it?S1：No,he doesnt.Because he doesnt have any free time to do things he likes.Step 2 Talking 1.Look at these problems.Do you think they are serious or not?Ss discuss with their Exercise:Listen 学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 3/35 partners and give some advice.I have to study too much so I dont get enough sleep.I have too much homework so I dont have any free time to do things I like.My parents dont allow me to hang out with my friends.I have too many after-school classes.I got into a fight with my best friend.Step 3 Listening 1.T:Tell Ss to read the sentences in 1a again.Make sure they know the meaning of the sentences.2.Play the recording for the Ss to listen and circle the problems you hear in 1a.3.Play the recording again.Check the answers with the Ss.Step 4 Pair work 1.Let Ss read the conversation in the box.2.Use the information in 1a to make other conversations.3.Let some pairs act out their again.Fill in the blanks.Boy 2 had a _ with his best friend.He could _ him a letter.But he isnt good at writing letters.He _ call him _,but he doesnt want to talk about it on the _.He _ 学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 4/35 conversations.e.g.A:Whats wrong?B:Im really tied because I studied until midnight last night.A:Why dont you go to sleep earlier this evening?Step 5 Listening Work on 2a:T:Peter has some problems.What advice does his friend give him?Fill in the blanks with could or should.1.Let Ss read the sentences in 2a.2.Play the recording for the Ss to listen and write the words in the blank.3.Play the recording again to check the answers.Work on 2b:1.Let Ss read the sentences below.Explain some main sentences for the Ss.Make sure they know the meaning of each sentence.2.Play the recording for the Ss to write the letters(a-e)next to the advice in 2a.talk to him so that he can say hes sorry but its not _.He _go to his house but he doesnt want to _ him.He could take him to the _,but he doesnt want to wait that long.学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 5/35 3.Play the recording again to check the answers.Answers:1.d 2.e 3.a 4.c 5.b Step 6 Pair work 1.Tell Ss to make a conversation using the information in 2a and 2b.2.Let one pair to read out their conversation first.3.e.g.A:Whats the matter,Peter?B:I had a fight with my best friend.What should I do?A:Well,you should call him so that you can say youre sorry.B:But I dont want to talk about it on the phone.4.Ss act the conversation in pairs.Ask some pairs to act out their conversations.Step 7 Role-play 1.Ss read the conversations and try to understand the meaning.2.Read the conversation after the teacher.学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 6/35 3.Practice the conversation with their partner.Then let some pairs to act out the conversation.4.Explain some new words and main points in the conversation.Homework:Write three conversations about your problems and your friends suggestions.A:I have too many after-school classes.What could I do?B:You could Blackboard design Unit 4 Why dont you talk to your parents?Section A 1(1a-2d)I have to study too much so I dont get enough sleep.I have too much homework so I dont have any free time to do things I like.My parents dont allow me to hang out with my friends.I have too many after-school classes.I got into a fight with my best friend.学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 7/35 Record after teaching Subject English Teaching Class Teaching Time 主 备教 师 辅 备教 师 Teaching article Unit4 Section A 2(3a-3c)Teaching aims Knowledge goals 1)学习掌握下列词汇：get on with;relation,communication,argue,cloud,elder,instead,whatever,nervous,offer,proper,secondly,communication,explain,clear 2）阅读短文，能按要求找到相应的信息。Ability goals 1）通过阅读提高学生们的阅读能力。2)了解在如果生活中发生了一些不尽如人意的问题，应当如何面对并理性地去解决。Moral goals 人的一生并不都是一帆风顺的，难免有一些挫折的困难，如果生活中发生了一些不尽如人意的问题，我们学会冷静对待，学会合理的办法去理性地去解决 Teaching keys 1)掌握本部分出现的生词和词组，达到熟练运用的目标。学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 8/35 2)阅读短文，获得相关的信息。通过阅读练习，来提高阅读能力。Teaching difficult 1)阅读短文，获得相关的信息的能力。2)理解并运用所学的词汇与表达方式。Teaching aids A tape recorder.Some picture Teaching methods Listening and Task-Based Learning method.Teaching procedures Items Teacher Activity Students,Activity Teaching procedures Step 1 Revision Some Ss give some problems.Other Ss give advice.Problems and advice:1.I have to study too much so I dont get enough sleep.Why dont you go to sleep earlier this evening?2.I have too much homework so I dont have any free time to do things I like.Why dont you go camping with your friends this weekend?3.My parents dont allow me to hang out 学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 9/35 with my friends.Why not read some interesting books at home?4.I have too many after-school classes.Why dont you talk about it with your parents?5.I got into a fight with my best friend.Why not call him up?Role-play the conversation of 2d.Step 2 Presentation the new words 1.relation n.关系；联系；交往 e.g.Their relation seemed quite close.他们的关系看起来很亲密。2.argue v.争吵；争论 e.g.The couple began to argue about the childs education.那对夫妇开始就孩子的教育问题争吵。3.proper adj.正确的；恰当的 e.g.Its not proper to visit a friend too late in the evening.太晚了，去看朋友不合适。4.nervous adj.焦虑的；担忧的 Step 6 Exercises 一、选词填空 instead,argue,nervous,proper,explain 1.My cousin is _ in front of strangers.2.He could not come up with a _answer.学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 10/35 e.g.Dont be nervous.It is just a small test.不要紧张。就是个小测试而已。5.clear adj.清楚易懂的；晴朗的 e.g.The sun shone out of a clear sky.天空晴朗，阳光灿烂。Step 3 Lead in 1.Can you get on well with your family?2.Are the relations between your parents good?3.Do you have any brothers or sisters?Can you get on well with him/her?4.Who do you ask for help when you have problems?Step 4 Reading Work on 3a:1.Tell Ss to read the article in 3a quickly and try to find the answers to these questions:Whats Sad and Thirteens problem?How does he feel at home?2.Ss read the article again and fill in the chart.3.The TV shows are boring.Why not play cards _?4.I dont want to _with you.Its waste of time.5.Please _ to her how to use a computer.二、用括号中单 词 的 适 当形式填空。1.All the _(communicat学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 11/35 3.Ss read the article again and fill in the blanks.Work on 3b:S1:I agree with his advice.Because more communication can make family members understand each other better and know about the feeling they have.S2:I dont agree with his advice.I think their parents should fight any more.They should care more about their children and spend more time with them.Work on 3c 1.告诉学生们本学习活动的要求：找出短文与下列词汇意思相同的句子。2.让学生们先读 3c 中的词汇，理解其意思，然后再在短文找出与其意思相同的词汇或词组。3.方法指导：根据上下文的意思，来确定词汇或词组的意思。4.Check the answers。Step 5 Language points 1.get on with 和睦相处；关系良好 相当于 e)with the outside world was broken.2.Jim is a doctor.His _(old)brother is an engineer.3.After high school Mike got a job instead of _(go)to university.4.Its very kind of you to offer _(help)us on 学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 12/35 get along with e.g.The child doesnt get on well with others.那个小孩不合群。2.instead adv.代替；反而；却 e.g.If we cant go to Huashan Mountain,well go to the city of Xian for the trip.3.offer v.主动提出；自愿给予 offer侧重主动或愿意给予，主动提出做某事。常用结构：offer sb.sth.或 offer to do sth.e.g.She offered me a cup of tea.她给我端了杯茶。municate v.交流；沟通 communicate with sb.与某人交流 e.g.Li Mei can easily communicate with foreigners in English.李梅能用英语与外国人轻松交流。5.explain+that/what/why 等从句 explain sth.(to sb.)（向某人）解释某事 e.g.Can you explain what this means?Step 6 Exercises Step 7 Homework 1.Read the article several times after the weekend.5.To begin with we dont have much money,_(second)we are too busy.学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 13/35 school.2.Make sentences with these words:argue;whatever;instead;nervous;explain;offer to do sth.;communicate with Blackboard design Unit4 Section A 2(3a-3c)1.get on with 和睦相处；关系良好 相当于 get along with e.g.The child doesnt get on well with others.那个小孩不合群。2.offer v.主动提出；自愿给予 offer侧重主动或愿意给予，主动提出做某事。常用结构：offer sb.sth.或 offer to do sth.e.g.She offered me a cup of tea.她给我端了杯茶。municate v.交流；沟通 communicate with sb.与某人交流 e.g.Li Mei can easily communicate with foreigners in 学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 14/35 English.李梅能用英语与外国人轻松交流。Record after teaching Subject English Teaching Class Teaching Time 主 备教 师 辅 备教 师 Teaching article Section A 3(Grammar Focus-4c)Teaching aims Knowledge goals 1)学习掌握下列词汇：copy,return 2）进行一步复习巩固学习 Section A 部分所学的生词和词组。Ability goals 1)掌握询问困难与提出建议的句型，掌握其规则。2)通过不同方式的练习，来熟练运用询问与提建议的表达方式。Moral goals 让学生了解每个人在生活中都有可能遇到一些挫折和不幸，我们多去向那些不幸和困难的人们多表示自己的爱心，多去理解和帮助他们，多向他们提出解决问题的建议,而不是去嘲笑他们。学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 15/35 Teaching keys 1)复习巩固 Section A 部分所学的生词和词组，达到熟练运用的目标。2)熟练掌握和运用询问困难和提建议的表达方式。Teaching difficult 1)总结询问问题和提出建议的句型，掌握规则。2)练习运用所学的句型。Teaching aids A tape recorder.Teaching methods Listening and practicing methods,pair work,Task-Based Learning method.Teaching procedures Items Teacher Activity Students,Activity Teaching procedures Step 1 Warming-up and revision 1.Have a dictation of the new words learned in the last class.1.make sth.clear(同义词)_ 2.talk(同义词)_ 3.not allow(同义词)_ 4.worried(同义词)_ 5.get along with(同义词)_ municate（名词）_ 7.old(比较级)_ 2.Check the homework.Step 2 Grammar Focus.学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠下列实验能达到预期新人教版八年级英语下册 unit4 全单元教案 16/35 Step 3 Try to Find 一、提出建议 1.掌握提出问题的方法，Whats wrong?Whats the matter?with sb.Whats the problem/the trouble?并能讨论所给出的建议。情态动词 should，should等 should，shouldnt“（不）应该”，常用来提出请求和建议 could “可以”可也用来给出建议。表建议的句型：You should/could+v.Why dont you+v.?Why not+v.?Could you please+v.?Youd better(not)+v.Would you mind doing?What about/How about+n./doing?Exercise:用所给单词的适当形式填空 Exercise:用 所 给 单 词的 适 当 形 式填空 1.We shouldnt_(argue)with our parents.2.You shouldnt_(use)the phone in the classroom.学家预言世纪是木材化工产品的世纪利用木材得到纤维素用纤维素不能得到的物质是蛋白质玻璃纸苯酚葡萄糖下列各组物质中最简式相同但既不是同系物又不是同分异构体的是丙烯与环丙烷淀粉与纤维素丁醇与乙醚甲醛与乙醛通常解后得到丙氨酸和另一种氨基酸则的分子式为下列物质水解后能生成两性化合物的是脂肪糖蛋白质明矾酒厂用发酵法生产白酒时往往要加入适量酸来控制酸度发酵完成后进行蒸馏得到白酒为此最好选用盐酸糖硫酸明矾摩某有机物在品袋的塑料要求既经济又无毒这种塑料的原料通常是涤纶锦纶聚乙烯聚氯乙烯用浓硝酸制取下列物质时有键生成的是硝化甘油醋酸纤维硝酸纤维下列物质不属于高分子化合物的是硫化橡胶脂肪醋酸纤维硬脂酸钠