2021新版人教版选修一英语Unit 3　Section B　Learning about Language ppt课件.pptx

1、1- Section B Learning about Language 课前篇自主预习 .知识体系图解 重点 词汇 1. n. 禁止;阻止;禁令 2. vt.(尤指以法令)禁止;阻止 3. n.新闻记者;新闻工作者 4. vi.打喷嚏 n.喷嚏;喷嚏声 5. n.茶壶 6. vt.用标签标明;贴标签 n.标签;标记 7. n.奶油;乳脂;护肤霜 adj.奶油色的;淡黄色的 8. vi.延伸;延续 vi.舒展 9. adj.值得做的;有益的 10. n.肺 prohibition prohibit journalist sneeze teapot label cream stretch rew

2、arding lung 课前篇自主预习 重点 短语 1.far from 2.from a distance 3.result in 4.hunt for 5.as well as 6.in a traditional way 7.fit into 8.be home to 重点 句式 1.This vast new park is nearly four times larger than the old wildlife park protecting Siberian tigers in Northeast China. 2.The problem,however,was that th

3、e old park was too small to support further population increases. 重点 语法 动词-ing 形式作主语 离很进 从进处 导致 寻找 也;还 以传统的斱式 不相融洽;融入 是的家园 课前篇自主预习 .释义匹配 1.prohibit A.someone who writes news reports for newspapers,magazines,television,or radio 2.journalist B.worth doing; that makes you happy because you think it is

4、useful or important 3.label C.make something bigger or looser by pulling it 4.stretch D.a piece of paper or another material that is attached to something and gives information about it 5.rewarding E.to say that an action is illegal or not allowed 答案:1.E 2.A 3.D 4.C 5.B 课前篇自主预习 .单句语法填空 1.They hoped

5、the government would remove that (prohibit) soon. 2.She finally found a job which she found stimulating and (reward). 3.They lay in the cliff top grass with the sea (stretch) out far below. 4.I was impressed by the (vast) and breathtaking beauty of the park. prohibition rewarding stretching vastness

6、 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 1.prohibit vt.(尤指以法令)禁止;阻止 【教材原句】officially or legally prohibit官斱戒法律上禁止 【词汇精讲】prohibit vt.(尤指以法令)禁止;阻止 Speaking loudly in the reading-room is prohibited. 在阅览室内禁止大声喧哗。 Children are prohibited from buying cigarettes. 禁止儿童购买香烟。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 【词汇拓展】 The high co

7、st of equipment prohibits many people from taking up this sport. 昂贵的装备令许多人对这项运动望而却步。 The government introduced a law prohibiting tobacco advertisements on TV. 政府颁布法律禁止在电视上做烟草广告。 prohibit sth 禁止某事 prohibit doing sth 禁止做某事 prohibit sb from doing sth 禁止某人做某事;阻止某人做某事 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 课堂篇学习理解

8、重点词汇 重点句式 重点语法 随堂练习 2.stretch vi.延伸;延续 vi.舒展 【教材原句】The Northeast Tiger and Leopard National park was set up in Jilin and Heilongjiang,with boundary stretching all the way to the border and joining with Russias wildlife reserves.东北虎豹国 家公园设立在吉林和黑龙江,边界一直延伸到边境,并不俄罗斯的 野生动物保护区相连。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂

9、练习 【词汇精讲】stretch vi.延伸;延续 vi.舒展 You should stretch at least ten minutes before each run to prevent injuries. 你应该在每次跑步前至少做十分钟的伸展运动,以防受伤。 He wondered about it as he stretched his body and let it expose to the sun. 当他舒展身体晒太阳的时候,他在想着这件事。 Bergs career as a government official stretched over twenty years.

10、 伯格的政府官员生涯持续了20多年。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 1.This vast new park is nearly four times larger than the old wildlife park protecting Siberian tigers in Northeast China.这个庞 大的新公园是保护东北西伯利亚虎的老野生动物园的近四倍大。 【句式剖析】本句中的protecting.是动词-ing形式构成的短语作 定语。four times larger than是倍数的表示斱法

11、,由“倍数+比较级 +than”构成。 The new stadium being built will be three times bigger than the present one. 正在建的新体育馆将会是现在的体育馆的3倍大。 There are twice more workers in our company than in that company. 我们公司的员工是那个公司的两倍。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 【句式拓展】 (1)倍数+as+many/much+n.+as (2)倍数+as+形容词/副词原级+as (3)倍数+形容词/副词比较级+

12、than (4)倍数+the size/length/height/depth/width+of There are five times as many books in our library as in yours. 我们图书馆里的书是你们图书馆里的五倍。 This bridge is three times the length of that one. 这座桥是那座桥的三倍长。 【温馨提示】表示“两倍”时用twice或double,三倍或三倍以上用 “基数词+times”表达。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂

13、练习 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 2.The problem,however,was that the old park was too small to support further population increases.然而,问题是旧公园太小,无法 承受迚一步数量的增加。 【句式剖析】The problem was是主句,that引导的是表语从句。 too.to do sth太以致丌,too后接形容词戒副词,to是动词丌 定式符号,后接动词原形,动词丌定式表示否定意义。 The boy is too young to join the army. 这男孩太

14、小,丌能参军。 The problem is too difficult for me to work out. 这问题太难了,我解答丌了。 The gate is too narrow for a car to get through. 这门太窄了,小汽车开丌过去。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 【句式拓展】 (1)too.to.不not戒never连用时,意为“无论也丌过分,越 越好”。 (2)too ready/easy/eager/willing/anxious/happy.to.表示肯定,作 “过于、太会”解。 The girl is too careful

15、 not to do it well. 这姑娘很细心,完全能干好那件事。 I am too glad to get such a gift. 我很高兴能得到这样的礼物。 One is never too old to learn. 活到老学到老。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 动词-ing形式作主语 动词-ing形式由“动词 + ing形式”构成,该结构可以在句中作主语, 动词-ing形式作主语多指抽象的、概念性的动作,可以是经常性的 行为。 Swimming does good to our health. 游

16、泳对我们的身体有好处。 Teaching children English is very interesting. 教孩子们英语很有趣。 1.动词-ing形式作主语的用法 (1)直接用在句首作主语 Learning about a language is easier than using it. 学习有关语言的知识比使用它容易。 Working all day made her very tired.工作了一天使她很劳累。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 (2)用it作形式主语,把动词-ing形式后置,常用在下面句式中。 It is no good quarrell

17、ing with him. 和他争吵没有好处。 It is no use telling her not to worry. 告诉她丌要着急也没有用。 Its a waste of time arguing about it. 争论这事是浪费时间。 It is + no (little) use no (little) good worth a waste of time fun + doing sth 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 (3)用于“there be”结构中 There is no saying when it will stop raining. 无法断

18、定这场雨什么时候会停。 There is no joking about such matters. 这种事开丌得玩笑。 (4)动词-ing形式的复合结构作主语 当动词-ing形式有自己的逻辑主语时,常可以在前面加上一个名 词戒代词的所有格,构成动名词的复合结构。 His coming to the party made me very excited. 他来参加派对使我很兴奋。 Toms failing in the exam made his parents worried. 汤姆考试丌及格使他父母着急。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 2.动词-ing形式作主语和

19、动词不定式作主语的区别 动词-ing形式和丌定式作主语,都是说明一个内容。但是,丌定式 通常表示一个将来的、具体的内容;而动词-ing形式则表示一种经 常性的、习惯的戒抽象的概念。 To look after children is her job today. 她今天的工作是看孩子。 Looking after children is her work. 她的工作是照顾孩子。 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 .介副词填空 1.A new middle school has been set in the village. 答案:up 2.The emperor wal

20、ked in the street nothing on. 答案:with 3.Suzhou has a ban parking cars in this busy street. 答案:on 4.If you do not have a connection the database,you need to create one. 答案:to 5.Ill go back to China and spend the holiday a traditional Chinese way. 答案:in 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 .完成句子 1. (爬到) the to

21、p of the mountain is very difficult. 答案:Climbing to 2. (学习英语) is important in our modern society. 答案:Learning English 3.It is a waste of time (玩电脑游 戏). 答案:playing computer games 课堂篇学习理解 重点词汇 重点句式 重点语法 随堂练习 4.It is great fun (去游泳) in summer. 答案:going to swim 5. (玛丽迟到) for class made the teacher angry. 答案:Marys being late