(共22张PPT)
Lesson 64
The Channel Tunnel
Learning Targets
(for teachers)
单词:13+
短语:10+
语法:真实和非真实条件句
IV. 难点:draw in, draw back, draw off, draw up 辨析
Pre-Teach Vocabulary
1 tunnel ['t nl] n.隧道
2 port [p :t] n.港口
3 ventilate ['ventileit] v.通风
4 chimney ['t imni] n.烟囱
5 sea level [si levl] 海平面
6 double ['d b l] a.双的
7 ventilation [ venti'lei n] n.通风
8 fear [fi ] v.害怕
9 invasion [in'vei n] n.入侵,侵略
10 officially [ 'fi li] ad.正式地
11 connect [k 'nekt] v.连接
12 European [ju r 'pi: n] a.欧洲的
13 continent ['k ntin nt] n.大陆
English to English 1 double having or made of two things or parts that are equal or similar
2 ventilate allow air to enter
3 fear be afraid of sth or sb
4 connect joins one thing to another
5 continent one of the large land masses of the earth such as Europe, Asia or Africa
6 invasion the act of an army entering another country by force in order to take control of it
7 officially formally and publicly by authority
8 port a seaside place where ships load and unload goods or passengers
9 tunnel a long hole under ground or sea for a road or a railway
10 chimney a path though which smoke from a fire is carried away
11 sea level the average height from the sea surface up
12 officially formally and publicly by authority
Word Recycling
unnel
entilate
himney
ouble
ear
nvasion
Word Recycling
fficially
onnects
ontinent
ort
ea
evel
entilation
uropean
L64 英文 中文 考点匹配
1 a twenty-one-mile tunnel 一个21英里的隧道 “数词-名词(-形容词)”中间的名词只能用单数形式。放在名词前面相当于形容词
2 in the centre of… 在…中心 =in the middle of
3 serve as 用作…;作为… = work as = act as…
(词汇测试、完形填空、语法填空)
4 railway station 火车站 = train station
5 be well-ventilated 通风良好的
6 above sea level 海平面以上 on 在...上面(接触物体)
over在...上方(不接触物体)
above 在...斜上方(不接触物体)
(完形填空、语法填空)
Phrases & Key Points-Offline
7 put forward 提出… = come up with 提出 (完形填空、语法填空)
8 solve the problem of... 解决问题 deal with =work out 解决(词汇测试、完形填空、语法填空)
9 draw in… 引进 = bring in…
10 connect…to/with... 连接… connect with是和…有关,和…有联系 的意思.
connect to 的意思是 把……连接到……
介词with是两者之间是两者之间相互的,
to是 一方主动的(完形填空、语法填空)
Phrases & Key Points-Offline
Grammar in Context
He said that it would be possible to build a platform in the centre of the Channel.
that引导的宾语从句。
The tunnel would be well-ventilated if tall chimneys were built above sea-level..
if引导的非真实条件句。
He suggested that a double railway tunnel should be built.
that引导的宾语从句(that宾语从句中,谓语动词要用should+动词原形,这是一种虚拟语气的结构。)。
真实条件状语从句
1.If you park your car in the wrong place, a traffic policeman will soon find it. (L16)
2. You will be very lucky if he lets you go without a ticket. (L16)
3.You will enjoy your stay here if you pay attention to our street signs. (L16)
4. If you receive a request like this, you cannot fail to obey it! (L16)
If引导的真实条件状语从句:用来询问或谈论十分可能的事情。
时态:if从句:一般现在时
主 句: ①一般将来时(will+动词原形)
②祈使句
③情态动词(can/may/must+动词原形)
1. If you ate more and talked less, we would both enjoy our dinner.(L40)
2. The tunnel would be well-ventilated if tall chimneys were built above sea level.(L64)
3. If a train entered this tunnel, it would draw in fresh air behind it.(L64)
4. If, at the time, the British had not feared invasion, it would have been completed.(L64)
非真实条件状语从句
关于“虚拟语气”
英语中的语气
陈述语气
祈使语气
疑问语气
感叹语气
虚拟语气
I like apples.
No parking!
Do you like apples
What a beautiful cat!
If I were you, I wouldn’t be so proud.
1. 表示说话人所说的不是事实,或者是不太可能发生的,是一种假设、猜测、怀疑等(非真实条件状从和让步状从).
2. 表示说话人的愿望、要求、命令、建议(名词性从句:主宾表同)
If从句 主句
与现在事实相反的假设 If you ate more and talked less, we would both enjoy our dinner.
规则
与过去事实相反的假设 If tall chimneys were built above sea level, The tunnel would be well-ventilated
If, at the time, the British had not feared invasion, it would have been completed.
规则
Grammar Rules
If从句
主语+did/were
主句
主语+would/should /
could / might + do
If从句
主语+ had done
主句
主语+ would/should /
could / might + have done
Exercise
1. If there ___(are)no water in the world, everything would die.
2. If I ______ (pass) the street now, I would be caught by the policeman.
3. If you ______(give) me your account password, I would be willing to share mine with you.
4. If the new safety system _____________(put)to use, the
accident _______________________(happen) .(对过去虚拟)
5. If I __________ (let)my dog run out in the street, it
wouldn't have been injured by the car.
6. If I __________(keep) on my dream in college, I would have achieved it .
were
passed
gave
had been put
would not have happened
hadn't let
had kept
Pre-reading (logic)
(cover the board)
A. Forty-two years later a tunnel was actually begun.
B. He suggested that a double railway tunnel should be built.
C. The tunnel would be well-ventilated if tall chimneys were built above sea-level.
D. It will connect Britain to Europe for the first time in history.
E. it would be possible to build a platform in the centre of the Channel.
F. A French engineer, arrived in England.
F E C B A D
SW回答规则
1. 完整句子回答;
2. 出现or not,选择一方;
2. 时态一致;
3. 主谓一致。
1. Who planned to build a tunnel under the English Channel in 1858 How would it be ventilated (The tunnel, which…)
The tunnel, which the French engineer, Aimé Thomé, planned to build under the English Channel in 1858, would be ventilated by tall chimneys built above sea level.
2. Who suggested a better plan two years later
An Englishman, William Lowe, suggested a better plan two years later.
3. How would passing trains solve the problem of ventilation in his proposed double railway-tunnel (Because they would)
Passing trains would solve the problem of ventilation in his proposed double railway tunnel because they would draw in fresh air behind them.
4. Did work begin forty-two years later or not Why was it stopped (Though…because)
Though work began forty-two years later, it was stopped because the British feared invasion.
5. When was the Channel Tunnel officially opened (However)
However, the tunnel was officially opened on March 7, 1994.
Summary Writing
1. What can you learn from the story
2. What would happened after the Channel Tunnel was officially opened
Post-Reading
1 2 3 4
Traveling Cultural exchange Trade Traffic jam
Micro-
Writing
If you asked him to help you, would he be glad to
If you made hime change his mind, you would save him a lot of trouble
If I were you, I would go there at once.
If you had come earlier to the station, you would have met her before the train left.
If Jenny hadn’t stayed up late last night, she wouldn’t have felt unwell when getting up today.
Happy Homework
Recite L64.
Preview L65 (watch the video, finish WR & SW).