Unit Four
A New English Course Book One
Language Structures

  1. Modal auxiliaries “can/could” and “be able to” used to express ability
? Was she able to / Could she sing so well a year ago? But pay attention to the difference:
She could/was able to swim when she was five years old. She was able to swim the English Channel in spite of the wind.
Unit 4 of Book 1 2
Language Structures

  2. Modal auxiliaries “have to” expressing obligation
? Do you have to live on the campus? ? Yes, I do = Yes. I have to.

  3. Modal auxiliaries “can/may”used to express permission or request for permission
? Can/May I be excused from the lecture this week?

  4. Modal auxiliaries “had better” expressing advice or suggestion
? You had better consult an encyclopaedia.
Unit 4 of Book 1 3
Language Structures
New words :
? ? ? ? ? hesitantly ad. fluently ad. unsatisfactorily ad. extensively ad. rehearsal n. ? ? ? ? ? promote v. encyclopaedia n. atomic a. librarian n. to excuse sb. from …
Unit 4 of Book 1
4
Language Points
to excuse sb. from: to set (sb) free from a duty, requirement, punishment, etc.
? The dean excused me from attendance at the meeting. ? They may be excused from complying with this regulation. ? Can I be excused from football practice today?
Unit 4 of Book 1 5
Language Points
A few terms in Cue IV: Xerox machine: a kind of photocopier (‘Xerox’ is a trade mark) magic eye: name used for various electronic devices which control or indicate sth.(电眼) fax (facsimile): a method of sending copies of printed or written matter by a telephone line Kublai Khan (忽必烈1215-12
  94): the first emperor of the Yuan Dynasty in China King Bruce (Robert Bruce) (1274-13
  29): King of Scotland the Cape of Good Hope (好望角): a cape in South Africa Bermuda (百慕大群岛):A group of islands in the Atlantic the Industrial Revolution began in England in the late 18th century the atomic age began in 1945
Unit 4 of Book 1 6
Practice
Complete the dialogues in your textbooks I. Asking for and giving information about somebody’s ability to do something at present, in the past, or in the future. II. Inquiring whether somebody is/was/will be obliged to do something. III.
  1. Asking for permission to do something
  2. Not granting permission to do something
  3. Expressing obligation and prohibition IV. Giving advice and making suggestions Do substitution practice
Unit 4 of Book 1 7
Tasks for today
Review Language Structure Dialogue I Role-play Dialogue II Reading I
Unit 4 of Book 1
8
Review of Language Structure
Modal auxiliaries used to express ability Modal auxiliaries expressing obligation Modal auxiliaries used to express permission or request for permission Modal auxiliaries expressing advice or suggestion
? 我是否一定得参加秋季运动会? ? Do I have to take part in the Autumn Sports Meeting? ? 如果我在大学里努力学习,那么四年后我将能够自如地使 用英语。 ? If I study hard in college, I’ll be able to use English freely in four years.
Unit 4 of Book 1 9
Dialogue I
Struggling with Taking Dictation
Unit 4 of Book 1
10
background
Dictation ensures attentive listening, it trains pupils to distinguish sounds, it helps fix concepts of punctuation, it enables pupils to learn to transfer oral sounds to written symbols, it helps to develop aural comprehension, and it assists in selfevaluation.(Finocchiaro,19
  69)
Unit 4 of Book 1 11
Dialogue I
Struggling with Taking Dictation
Comprehension Questions

  1. What did A think of his dictationtaking?
  2. What’s A’s problem in taking dictation?
  3. What is the most important point in taking dictation, according to B?
  4. What are the steps in taking dictation?
Unit 4 of Book 1
12
Dialogue I
Struggling with Taking Dictation
Retelling with the help of the outline below
A doesn’t know how to take dictation and asks B for advice. B tells A the correct way of taking dictation:
understand the dictation passage at the first reading remember the idea in each sentence, then the words will come easily
A thanks B and is going to try the new way next time.
Unit 4 of Book 1 13
Dialogue I: Language Points
Match the words with their meanings:
decently ad tease v.count v.focus v.isolated a.be sick of take it easy make sense of properly ?have importance make fun of ?make fun of have one’s attention to ?directimportance direct one’s ?stay calm attention to ?separate from other separate from other ?properly by be annoyed ?understand stay calm ?be annoyed by understand
Unit 4 of Book 1
14
Dialogue I : Language Points
  1. to get on one’s nerves: to worry or annoy
Note: nerve must be used in plural form “nerves”
? That noise gets on my nerves. ? That man gets on my nerves. ? Constant failures got on her nerves. to set sb’s nerves on edge Similar usage Word family nervous a. nervousness a.
Unit 4 of Book 1 15
Dialogue I : Language Points
  2. Count: to have value, importance or
force ? It is not how much you read but what you read that counts. ? Every second counts. ? What he has said really counts.
Unit 4 of Book 1
16
Dialogue I
Struggling with Taking Dictation
Read aloud, paying attention to the pronunciation
Unit 4 of Book 1
17
Role-play
New words and expressions:
? practice makes perfect ? context n. ? see sb.’s point understand what sb. meant
Reading the role-play cards Practicing in pairs Acting out
Unit 4 of Book 1 18
Fun Page
Riddles

  1. If your uncle’s sister is not your aunt, what relation is she to you? Answer: mother
  2. What sort of nail do you find in shoes? Answer: toenails
  3. What starts with T, ends with T and full of T? Answer: a teapot
Unit 4 of Book 1
19
Dialogue II Advice and Suggestions
Words and expressions to learn
? ? ? ? ? interpreter n. toothache n. identity card straight away 直接; 马上 give sb. some advice 给(某人)忠告、建议
Unit 4 of Book 1
20
Dialogue II Advice and Suggestions
Reading through to get familiar with the expressions Oral practice in pairs Learning the proverbs: ? Wisdom goes beyond strength. ? No man is wise at all times. ? He that is full of himself is very empty. ? Necessity is the mother of invention. ? Caution is the parent of safety. ? Idleness is the root of evil.
Unit 4 of Book 1 21
Background information:
Electricity generation: Generation from natural gas, coal, nuclear, and renewable fuels is projected to increase through 2025 to meet growing demand for electricity and offset the projected retirement of existing generating capacity, mostly fossil steam capacity being displaced by more efficient natural-gas-fired combined-cycle capacity brought online in the past few years and still being constructed. The projected levels of generation from power plants using coal, nuclear, and renewable fuels are higher than in AE02002 due to higher projected natural gas prices and life extensions of nuclear plants.
Unit 4 of Book 1 22
The natural gas share of electricity generation is projected to increase from 17 percent in 2001 to 29 percent in 2025, including generation by electric utilities, IPPs, and CHP generators. The share from coal is projected to decline from 52 percent in 2001 to 47 percent in 2025 as a more competitive electricity industry invests in less capitalintensive and more efficient natural gas generation technologies. Nonetheless, coal remains the primary fuel for electricity generation through 2025, and AEO2003 projects that 74 gig watts of new coal-fired generating capacity will be constructed between 2001 and 20
  25.
Unit 4 of Book 1 23
Reading I A Source of Energy
Reading silently and doing exercises in WB (p
  32)
Unit 4 of Book 1 24
Reading I: Comprehension questions
  1. How important is energy to us?
  2. What’s the use of food energy?
  3. How can water energy be used?
  4. What can the power of winds do?
  5. How are coal and oil used?
  6. Why are people trying to find new sources of energy?
  7. Can you name some of the new sources of energy that have been found?
  8. What do you think will be the most popular Unit 4 of Book 1 25 source of energy in the future?
Tasks for Today
Reading I Reading II Guided Writing
? A Note of Invitation
Listening Exercises
? Spelling ? Dictation
Unit 4 of Book 1 26
Reading I:
Language Points
convert to In the form of solar energy use up in addition (to)
Expressions used in the text:
vehicle n. mechanical a. electricity n. promising a. garbage n.
Let’s go to Reading II
Unit 4 of Book 1 27
Reading I:
Language Points
Convert…to… : to change to another form
? Coal can be converted to gas. ? This seat converts into a bed. ? I want to convert some dollars into pounds. ? She converted him to her opinion.
Unit 4 of Book 1
28
Reading I:Language Points
Promising adj. likely to develop in a desirable
manner
? promising crops ? a promising youth ? This boy is quite promising. ? The weather is promising.天气可望好转。
Unit 4 of Book 1
29
Reading II Sea Harvest
Words and phrases to learn: ? be closely tied to ? estimate v. ?provide sb. with sth. ? exploit v. ? fish farming/the ? mineral n. culture of fish 渔业; 渔业; 养鱼业 ? culture n. ? impressive a. ? enable…to do… ? diving suit ? material n. let’s have fun! ? resource n. Read through the text as fast as possible
Unit 4 of Book 1 30
Reading two
Write out the answers to the following questions, so that they form a coherent passage. how has the sea helped man throughout history? what happens to resources on land today? how about the resources under the sea? what is there to be mined under the sea? how will fish farming help man? what will warm temperature of the ocean, the currents and waves offer for man? what is technology enabling man to do at present? will the problem to exploit the sea be solved in the future?
Unit 4 of Book 1 31
Reading II: Language points

  1. be tied to
? Is the allergy过敏 tied to (=connected with) anything you have eaten? ? The police are trying to tie (up) his escape from prison to the murder. ? George never comes out with the rest of us he’s tied to his wife’s apron strings围裙带 围裙带. 围裙带 (he is strongly influenced and controlled by that person) ? He is tying his dog to a fence.
Unit 4 of Book 1 32
Fun PagePun
One day a man went to see the Mozart's tomb. When he got there, the tomb was open and Mozart was sitting there tearing up pieces of paper. The men asked: "What are you doing with all of your great works of music?" Mozart replied, "I'm decomposing!".
Unit 4 of Book 1 33
Translation
Translate the following sentences into English: 1我是否一定得参加秋季运动会? have to 不是一定得去,但我想最好还是参加 had better Do i have to take part in the Autumn Sports Meet? No, you don't. But I think you'd better take part in it.
  2.
  2.如果我在大学里努力学习,那么四年后我将能够自 如地使用英语。 be able to If I study hard in college, I'll be able to use English freely in four years.
  3.左邻右舍每一个人都在试图帮助这个可怜的小女孩, 只是方式不同而已。 in different ways everyone in the neighbourhood is trying to give their help to the poor little girl, but in different ways.
Unit 4 of Book 1 34

  4.会议主席提议休会 adjourn 一星期,这样 每一个人都能有更多的时间,为讨论作好充 分的准备。 suggest The chairman of the meeting suggested adjourning the meeting for a week so that everyone could have some more time to get fully prepared for the discussion.
  5.他不得不将所有的证券 secureties 兑换成 现钞来还债 convert He had to convert all his securities to cash to pay his debt.
  6.重要的是你做了什么,而不是你说了什么 count It is what you did, not what you said, that counts.
Unit 4 of Book 1 35
Guided Writing
Exercises I and II is to help you use the common linking words correctly Discuss in groups to decide which word or phrase to choose
Unit 4 of Book 1
36
A Note of Invitation
Reference version
17 September, 2005
Dear Frank, There will be a sports meet on Thursday, 25 September, in our university. some spots stars will participate to show their skills. Lots of our friends will be here, too. And there will be a tea party afterwards. Call or write to say that you are coming. Yours, Gerald
Unit 4 of Book 1 37
Assignment
Review “Unit Four” Workbook
? P24: Guided Writing A, B ? P26: IV. Translation ? P27-30: V.-VI
“Contemporary College English”
? Review Lesson Three
Unit 4 of Book 1
38
Exercises and Listening in the Workbook
Unit 4 of Book 1
39
Listening exercises
Spelling

  1. tease
  4. electricity
  7. equipment
  2. decently
  5. focus
  8. receive
  3. source
  6. create
  9. passage
  12. average

  10. solar energy
  11.business
Dictations
Unit 4 of Book 1 40
Listening Comprehension
Words and expressions export v. import v. typist n. wholesale a. sign v. roar v.
Listen to the tape and do the exercises on your workbook (p
  36)
Unit 4 of Book 1 41
Assignment
Review Unit 4 Contemporary College English
? Retelling Lesson 2 Text A
Unit 4 of Book 1
42
Fun Page Tongue Twisters
The nurses in skirts washed thirty dirty shirts. Six silly
 

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