新概念英语 第二册 第21课 课件
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新概念英语-第二册-第21课-课件
第十一页，共16页。
I live near an airport and passing planes
can be heard night and day.
3. night and day日日夜夜
The airport was built years ago,but for
some reason it could not be used then.
they are probably right.
11. a large sum of money 一大笔钱
12. go away 离开 = leave
13. must be 表推测
第十五页，共16页。
谢谢！
第十六页，共16页。
5. come into use:投入使用 6. over = more than
7. away from 离开 8. Home 与 house 的区别（P94难点）
home:家，强调有感情；house仅仅指房子
第十三页，共16页。
I am one of the few people left.
Sometimes I think this house will be knocked down by a passing plane.
9. one of 的用法（3点）
+名词复数
+谓语动词的单数
+形容词的最高级 10. knock down 拆散，撞倒
第十四页，共16页。
I have been offered a large sum of money
to go away, but I am determined to stay
here. Everybody says I must be mad and
I live near an airport and passing planes
can be heard night and day.
3. night and day日日夜夜
The airport was built years ago,but for
some reason it could not be used then.
they are probably right.
11. a large sum of money 一大笔钱
12. go away 离开 = leave
13. must be 表推测
第十五页，共16页。
谢谢！
第十六页，共16页。
5. come into use:投入使用 6. over = more than
7. away from 离开 8. Home 与 house 的区别（P94难点）
home:家，强调有感情；house仅仅指房子
第十三页，共16页。
I am one of the few people left.
Sometimes I think this house will be knocked down by a passing plane.
9. one of 的用法（3点）
+名词复数
+谓语动词的单数
+形容词的最高级 10. knock down 拆散，撞倒
第十四页，共16页。
I have been offered a large sum of money
to go away, but I am determined to stay
here. Everybody says I must be mad and
新概念英语第二册课件-(Lesson-21---Mad-or-not)
bring sb. to reason 使某人讲理
★reason n. 原因，理性
cause 导致某事发生的起因 the cause of the fire 大火的起因 eg. Smoking is one of the causes of lung cancer. 吸烟是肺癌的起因之一。
• give a reason 提出理由 • the root reason 根本原因 • the reason is that… 理由是… • the reason why…is that… …的理由是… • eg. The reason why I study English is that I envy
come into effect 生效 come into reality 实现
5.Over a hundred people must have been driven away from their homes by the noise. must have been done
情态动词must +完成时态，是对过去事情的推测。
mind Where do
you d_e__c_i_d_e___
to
spend
holiday?
Home and House home n. & adv. 家，家庭，家园 (着重指所居住的人，常有爱、温暖等隐含
意义，有感情色彩) eg. I have a sweet home. 我有一个甜蜜的家
house n. 房子，房屋，住宅 (指建筑物) eg. We are searching the house. 我们正在搜查这房子
drive to… 开车去往某地
eg. I drove to Tianjing yest、敌人等)
★reason n. 原因，理性
cause 导致某事发生的起因 the cause of the fire 大火的起因 eg. Smoking is one of the causes of lung cancer. 吸烟是肺癌的起因之一。
• give a reason 提出理由 • the root reason 根本原因 • the reason is that… 理由是… • the reason why…is that… …的理由是… • eg. The reason why I study English is that I envy
come into effect 生效 come into reality 实现
5.Over a hundred people must have been driven away from their homes by the noise. must have been done
情态动词must +完成时态，是对过去事情的推测。
mind Where do
you d_e__c_i_d_e___
to
spend
holiday?
Home and House home n. & adv. 家，家庭，家园 (着重指所居住的人，常有爱、温暖等隐含
意义，有感情色彩) eg. I have a sweet home. 我有一个甜蜜的家
house n. 房子，房屋，住宅 (指建筑物) eg. We are searching the house. 我们正在搜查这房子
drive to… 开车去往某地
eg. I drove to Tianjing yest、敌人等)
新概念英语第二册 Lesson 21课件
1）Everybody不定代词作主语谓语动词用单数 2）must be 表对现在事实的肯定推测
翻译短语
1. 把他们逼疯_d_r_iv__e_t_h_e_m___c_r_a_zy 2. 一个正在游泳的女孩a__s_w_i_m__m__in__g_g_i_r_l 3. 一大笔钱_a_l_a_r_g_e__s_u_m__o_f__m__o_n_e_y
1). knock down 拆散，撞倒 2). offer v. 提供（相当于given）
offer sb sth = offer sth to sb 提供给某人某物 give sb. sth.=give sth to sb 给某人某物
offer to do sth 主动提出做某事
8.Everybody says I must be mad and they are probably right.
Gina can be taken good care of by Amy. 情态动词： S+ can/may/must/should + be+过去分词
4.They will finish the work in ten days.
6.I am one of the few people left. 1). one of+名词复数 +谓语动词的单数
+形容词的最高级 +谓语动词单数
2）left表示被留下来的，leave的过去分词, left作 定语后置 left 剩下的……东西
Eg: I have a bag left.
Eg: There is ten cents left in my pocket. （cent [sent] n.(货币单位)分, 分币）
翻译短语
1. 把他们逼疯_d_r_iv__e_t_h_e_m___c_r_a_zy 2. 一个正在游泳的女孩a__s_w_i_m__m__in__g_g_i_r_l 3. 一大笔钱_a_l_a_r_g_e__s_u_m__o_f__m__o_n_e_y
1). knock down 拆散，撞倒 2). offer v. 提供（相当于given）
offer sb sth = offer sth to sb 提供给某人某物 give sb. sth.=give sth to sb 给某人某物
offer to do sth 主动提出做某事
8.Everybody says I must be mad and they are probably right.
Gina can be taken good care of by Amy. 情态动词： S+ can/may/must/should + be+过去分词
4.They will finish the work in ten days.
6.I am one of the few people left. 1). one of+名词复数 +谓语动词的单数
+形容词的最高级 +谓语动词单数
2）left表示被留下来的，leave的过去分词, left作 定语后置 left 剩下的……东西
Eg: I have a bag left.
Eg: There is ten cents left in my pocket. （cent [sent] n.(货币单位)分, 分币）
新概念英语二Lesson21——Mad or not课件
adj.发疯的 n.理由 n.量 adj.下定决心的
Summary Writing（L21）
• Is the writer slowly going mad or not? • The writer is slowly going mad. • Where does he live? • He lives near an airport. • What can be heard night and day? • Passing planes can be heard night and day. • Have most of his neighbours left their homes or not? • Most of his neighbours have left their homes.
词性转换
Mad or not?
1.Aeroplanes are slowly driving me mad. mad=crazy
2.I live near an airport and passing planes can be heard night and day.
3.The airport was built years ago, but for some reason it could not be used then.
['desɪbel]
80 分贝 嘈杂的办公室、高速公路上的声音
75 分贝 人体耳朵舒适度上限
70 分贝 街道环境声音
50 分贝 正常交谈声音
20 分贝 窃窃私语
New Words of L21
mad reason sum determined
[mæd] ['riːz(ə)n] [sʌm] [dɪ'tɜːmɪnd]
新概念英语第二册课件Lesson21共25页PPT
summary 概要，摘要
☆sum n.量
大量：a great many/a great number of+可数名词 复数
a sum of:一笔
a large sum of:大量的，喜欢跟钱连用
a large sum of money
a large amount of:许多
plenty of（注意：前面没有a）足够的
及物动词 vt.
1.计算...的总和[(+up)] 2.总结;概括;概述[(+up)] The story may be summed up in one sentence. 该故事可以用一句话来概括。
不及物动词 vi.
1.共计[(+to/into)]
reason [’ri:zən] n.原因
for this reason:由于这个原因
1.疯的 The woman lost her son and got mad. 那个女人丢了孩子后疯了。 2.愚蠢的，不明智的（用于口语） You must be mad to drive so fast! 你开这么快，简直是疯了！ 3.非常生气的（口语）~at/with He is mad with the dog for biting his new shoe. 够咬了他的新鞋，他气得火冒三丈。 4.非常喜欢 So many people are mad on football. 很多人痴迷足球。
不及物动词 vi.
1.相撞,碰击[(+against)] His legs knocked against the chair. 他的两条腿撞到了椅子。 2.敲,击,打[(+on/at)] He knocked at the door and entered. 他敲了敲门便走进去了。 3.(发动机等由于故障)发爆震声
☆sum n.量
大量：a great many/a great number of+可数名词 复数
a sum of:一笔
a large sum of:大量的，喜欢跟钱连用
a large sum of money
a large amount of:许多
plenty of（注意：前面没有a）足够的
及物动词 vt.
1.计算...的总和[(+up)] 2.总结;概括;概述[(+up)] The story may be summed up in one sentence. 该故事可以用一句话来概括。
不及物动词 vi.
1.共计[(+to/into)]
reason [’ri:zən] n.原因
for this reason:由于这个原因
1.疯的 The woman lost her son and got mad. 那个女人丢了孩子后疯了。 2.愚蠢的，不明智的（用于口语） You must be mad to drive so fast! 你开这么快，简直是疯了！ 3.非常生气的（口语）~at/with He is mad with the dog for biting his new shoe. 够咬了他的新鞋，他气得火冒三丈。 4.非常喜欢 So many people are mad on football. 很多人痴迷足球。
不及物动词 vi.
1.相撞,碰击[(+against)] His legs knocked against the chair. 他的两条腿撞到了椅子。 2.敲,击,打[(+on/at)] He knocked at the door and entered. 他敲了敲门便走进去了。 3.(发动机等由于故障)发爆震声
新概念英语第2册课件Lesson21(共20页)
Sentences in the text
Over a hundred people must have been driven away from their homes by the noise.
over a hundred ...over表示数字上超过 must have done 对过去的推测 must have been done 被动 their homes house房子 home 家 over a hundred people 主语 must have been done 谓语 away from 从某地离开 out of somewhere 从某地出来
Sentences in the text
I live near an airport and passing planes can be heard night and day.
night and day 日日夜夜 (注意连读) passing planes 过往飞机 pass v. passing 作定语; 正在经过的(路过) 正在睡觉的小孩 sleeping baby 正在等待的车 waiting car
Sentences in the text
I am one of the few people left.
one of ... 之一 left
must be mad and they are probably right.
Sentences in the text
Aeroplanes are slowly driving me mad.
drive sb. mad 逼某人发疯 drive v. 驾驶, 开车 You are driving me mad. Miss Yun is slowly driving me mad.
新概念二 第21课课件
I have not seen him for weeks. 我已经有好几个星期没见他了。 (2)some 在这里不表示“一些”，而表示“某个”、“某种”等: I'll tell you someday. 有一天我会告诉你的。
We'll talk about it some other time.
课文注释
课文注释
3. The airport was built years ago, but for some reason it could not be used then. 机场是许多年前建的，但由于某种原因当时未能启用。 (1)years 前面不加确定的数词时，一般表示“许多年”，weeks等的用法与它相似: He left the city years ago. 他多年前就离开了这座城市。
• 4.determined (1.8)/dr't3:mind/adj.坚定的,下决心的
·★1. mad
1.sb. be mad I must be mad! 我一定是气坏了！ 2.be mad at sb生某人的气 You're just mad at me because I don't want to go. 因为我不想去，你就对我火冒三丈。 mad at也可以和get搭配，表示变得对某人生气 You got mad at me then, too. 你那时候也对我不爽了。
新概念二
第21课 Mad or not？
1.New words 2.text
3.grammer
New words and expressions
New words and expressions
• 1.mad (l.1)/mæ d/ adj. 发疯
We'll talk about it some other time.
课文注释
课文注释
3. The airport was built years ago, but for some reason it could not be used then. 机场是许多年前建的，但由于某种原因当时未能启用。 (1)years 前面不加确定的数词时，一般表示“许多年”，weeks等的用法与它相似: He left the city years ago. 他多年前就离开了这座城市。
• 4.determined (1.8)/dr't3:mind/adj.坚定的,下决心的
·★1. mad
1.sb. be mad I must be mad! 我一定是气坏了！ 2.be mad at sb生某人的气 You're just mad at me because I don't want to go. 因为我不想去，你就对我火冒三丈。 mad at也可以和get搭配，表示变得对某人生气 You got mad at me then, too. 你那时候也对我不爽了。
新概念二
第21课 Mad or not？
1.New words 2.text
3.grammer
New words and expressions
New words and expressions
• 1.mad (l.1)/mæ d/ adj. 发疯
新概念英语第二册Lesson21(共46张PPT)
13、He who seize the right moment, is the right man.谁把握机遇，谁就心想事成 。2021/8/112021/8/112021/8/112021/8/118/11/2021
•
14、谁要是自己还没有发展培养和教 育好， 他就不 能发展 培养和 教育别 人。2021年8月 11日星 期三2021/8/112021/8/112021/8/11
He didn't tell me the answer for some reason. 由于某种原因，他没有告诉我答案! some+不可数名词/可数名词复数 一些…… some+可数名词单数 某一…… I’ll tell you someday. We’ll talk about it some other time. 我们改日再谈这件事。
decide和determine 之间的区别： 都有“决定”的意思。 decide 指“经过询问、研讨和考虑之后, 在几种
可能的选择之中作出决定”,decide 最为普通：
She decided to leave here on Sunday instead of Monday.
她决定星期日而不是星期一离开这里。 determine指“决心作某一件事而不动摇”, 常涉
★reason n. 原因 1.道理，原因
The reason is that = the reason why --- is that The reason why I study is that I envy嫉妒 those who
speak English well . They departed for no reason. 他们无缘无故就分手了。 2.推理，讲出道理，对某人讲道理 He reasoned him out of smoking. 他说服他戒了烟。 3.reasonable 合理的，有道理的 The price is reasonable. 价钱很合理。 表原因的单词有哪些？
新概念第二册第21课课件
go crazy go insane （insane[in'sein] adj. 患精神病的，精神病
患者的，极愚蠢的）
go bananas （go+adj. 变得……) They are going bananas. =going crazy=going mad (变疯
了)
I slowly go insane/go crazy/go mad/go bananas. 3.be202m1/8/a6 d at sb 生某人的气
6.I am one of the few people left. Sometimes I think this house will be knocked down by a passing plane.
1). one of +名词复数 +谓语动词的单数+形容词的最高
2）left表示被留下来的，leave---left---left , left 作定语后置,常放n.后. left 剩下的……东西，相当于“Who are left (by the others) 其他人走了留下他们”
reason
1)n. 原因 for this reason 由于这个原因 For this reason, I was late.由于这个原因，我迟到了。 for some reason 由于某个原因
( some: 某一个，加可数名词单数) give a reason 提出理由 the root reason 根本原因 the reason is that… 理由是… the reason why…is that… …的理由是… eg. The reason why I study English is that I envy
患者的，极愚蠢的）
go bananas （go+adj. 变得……) They are going bananas. =going crazy=going mad (变疯
了)
I slowly go insane/go crazy/go mad/go bananas. 3.be202m1/8/a6 d at sb 生某人的气
6.I am one of the few people left. Sometimes I think this house will be knocked down by a passing plane.
1). one of +名词复数 +谓语动词的单数+形容词的最高
2）left表示被留下来的，leave---left---left , left 作定语后置,常放n.后. left 剩下的……东西，相当于“Who are left (by the others) 其他人走了留下他们”
reason
1)n. 原因 for this reason 由于这个原因 For this reason, I was late.由于这个原因，我迟到了。 for some reason 由于某个原因
( some: 某一个，加可数名词单数) give a reason 提出理由 the root reason 根本原因 the reason is that… 理由是… the reason why…is that… …的理由是… eg. The reason why I study English is that I envy
新概念英语第二册Lesson21课件
sum 量 [sʌm]
• the sum of …的总和 • a large/small sum of 一大/小笔 • in sum 总之 • sum up 总结=summary
determined 坚定地 [dɪˈtɜːmɪnd]
• a determined look 一个坚定的表情 • determined to do sth 决定做某事=decide to
• 4.如果序数词用作日期或名次，读时前面要加上定冠 “the”。如：
• I’ m the first.我是第一名。 • My birthday is on May 1st.（读做May the first.）
我的生日是五月一日。
三、数词的用法
• 1.分数表示法 • 基数词代表分子，序数词代表分母。分子是1时，分子的
• 3.百分数的表示法 • 基数词+per cent（percent），如：15%：fifteen percent • 4.年、月、日的表示法 • 2005年10月1日写作Oct.1（st），2005，读作October the
first,two thousand and five。 • 5.年龄的表示法
基数词和分母的序数词都用单数；分子大于1时，分子的 基数词用单数，分母的序数词用复数：如： • 1/3：one third；4/5：four fifths • 2.小数的表示法 • 基数词+小数点+基数词（小数点读成point，小数点以后 的数按一个个基数词读。如： • 1.8：one point eight • 2.87：two point eight seven
reason 原因 [ˈriːzn]
• for some reason 因为某种原因 • for no reason 无缘无故 • for personal reason 因为个人原因 • reason with… 跟…讲道理 • reason=cause=factor=origins原因 • out of reason 毫无道理 • be reason of 由于… • reason out 分析，判断 reason out of 说服
新概念英语第二册L21(课堂PPT)
be interested in fishing nothing at all
1
新概念英语第二册
Lesson 21 Mad or not?
2
3
Listen and repeat twice
You may look at your book and repeat for the first time. Don’t look at your book when you repeat for the second time.
4
Lesson 21 Mad or not? 是不是疯了？
Aeroplanes are slowly driving me mad. I live near an airport and passing planes can be heard night and day. The airport was built during the war, but for some reason it could not be used then. Last year, however, it came into use. Over a hundred people must have been driven away from their homes by the noise. I am one of the few people left. Sometimes I think this house will be knocked down by a passing plane. I have been offered a large sum of money to go away, but I am determined to stay here. Everybody says I must be mad and they are probably right.
1
新概念英语第二册
Lesson 21 Mad or not?
2
3
Listen and repeat twice
You may look at your book and repeat for the first time. Don’t look at your book when you repeat for the second time.
4
Lesson 21 Mad or not? 是不是疯了？
Aeroplanes are slowly driving me mad. I live near an airport and passing planes can be heard night and day. The airport was built during the war, but for some reason it could not be used then. Last year, however, it came into use. Over a hundred people must have been driven away from their homes by the noise. I am one of the few people left. Sometimes I think this house will be knocked down by a passing plane. I have been offered a large sum of money to go away, but I am determined to stay here. Everybody says I must be mad and they are probably right.
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课文讲解
Mad or not?
学习交流PPT
9
Aeroplanes are slowly driving me mad.
1. aeroplane = airplane 飞机
2. drive sb mad 把某人逼疯 （难点P94) drive – drove – driven 开车 drive into 赶进… drive back 撵回 drive out of 把…赶出去
noise. 5. come into use:投入使用
6. over = more than 7. away from 离开
8. Home 与 house 的区别（P94难点） home:家，强调有感情；house仅仅指房子
学习交流PPT
12
I am one of the few people left.
be mad at sb 生某人的气 老师对我很生气，因为我迟到了。 Teacher was mad at me because I was
late
学习交流PPT
4
reason n. 原因
for this reason 由于这个原因 由于这个原因，我迟到了。
For this reason, I was late.
used then. 4. for some reason 由于一些原因 some+可数名词单数：某一 some book
学习交流PPT
11
Last year,however,it came into use. Over
a hundred people must have been
driven away from their homes by the
probably right.
11. a large sum of money 一大笔钱 12. go away 离开 = leave 13. must be 表推测
学习交流PPT
14
Summery writing 摘要写作
1. The writer is slowly going mad. 2. He lives near an airport.
8. They are probably right.
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sum n. 量
a large sum of:大量的，喜欢跟钱连用 一大笔钱
a large sum of money
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sum n. 量
许多的，大量的，+可名复 a great number of a great many +不可名 a great deal of
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determined adj 坚定的， 下决心的
be determined to do sth.下决心做某事
表示下决心做某事，句型知多少？ make up one’s mind to do sth
decide to do sth make a decision to dPPT
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I live near an airport and passing
planes can be heard night and day.
3. night and day日日夜夜
The airport was built years ago,but
for some reason it could not be
Sometimes I think this house will
be knocked down by a passing plane.
9. one of 的用法（3点） +名词复数
+谓语动词的单数 +形容词的最高级 10. knock down 拆散，撞倒
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I have been offered a large sum of money to go away, but I am determined to stay here. Everybody says I must be mad and they are
Mad or not?
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New words and expressions 生词和短语
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mad adj 发疯的
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mad adj 发疯的
be mad/crazy about:为……而疯狂(着迷） 他对足球很着迷
He is mad/crazy about football.
3. Passing planes can be heard night and day.
4. Most of his neighbours have left their homes.
5. He has been offered money to leave.
6. He determined to stay here. 7. Everyone says he must be mad.