新概念英语(4)教师(外研社)

Topics for discussion
1 What could you tell a foreign visitor about birds in China? Are there any special birds a visitor should see? And if so, where?
2 Many species of wild birds axe described as 'endangered species'. What does this mean? Do you think it's important to save them from extinction? Why?Why not?
3 'Man would never have thought about flying if he hadn't seen birds and other creatures do it' What do you think?

Listening comprehension
1 Introduce the text
T : Today we 'U talk about trading standards between different countries.
2 Understand the situation
T : What can you see in the picture?
3 Listening objective
T : Listen to the text (or read it silently) and see ifyou can answer this question:
What makes trading between rich countries difficult?
4 Play the tape or read the text or wait for the students to finish reading silently
5 Answer the question
After the reading, ask the question again: What makes trading between rich countries difficult?
Train the students not to shout out the answer. Instead, ask one student, then ask the others to agree or
disagree with a show of hands.
Answer: Differences in national regulations make trading difficult. (Il. 2-3)
6 Intensive reading
Play the tape or read the text again, pausing after every sentence to check the students understand.
Obtain brief explanations to difficulties in the text from the students themselves. Only use Chinese if a
confirmatory translation is necessary.
7 Play the tape or read the text again
8 Reading aloud
Ask one or two students to read the text aloud.
Comprehension questions
1 Are chickens slaughtered in the United States fit to grace European tables? (No, they aren't.)
2 According to whom? (According to officials in Brussels.)
3 Do the Americans say their fowl are fine? (Yes, they do.)
4 What do they do in a different way? (They clean them in a di ……

General Introduction
总体介绍
Key to Pre-unit Test 1
UNIT ONE
Lesson 1 Finding fossil man
Lesson 2 Spare that spider
Lesson 3 Matterhorn man
Lesson 4 Seeing hands
Lesson 5 Youth
Lesson 6 The sporting spirit
Lesson 7 Bats
Lesson 8 Trading standards
UNIT TWO
Lesson 9 Royal espionage
Lesson 10 Silicon Valley
Lesson 11 How to grow old
Lesson 12 Banks and their customers
Lesson 13 The search for oil
Lesson 14 The Butterfly Effect
Lesson 15 Secrecy in industry
Lesson 16 The modern city
UNIT THREE
Lesson 17 A man-made disease
Lesson 18 Porpoises
Lesson 19 The stuff of dreams
Lesson 20 Snake poison
Lesson 21 William S. Hart and the early 'Western' film
Lesson 22 Knowledge and progress
Lesson 23 Bird flight
Lesson 24 Beauty
Key to Pre-unit Test 2
Lesson 25 Non-auditory effects of noise
Lesson 26 The past lift of the earth
Lesson 27 The‘Vasa’
Lesson 28 Patients and doctors
Lesson 29 The hovercraft