1. Unit 4 CREATURES LARGE AND SMALL
READING:
FRIEND OR ENEMY?

2. REVIEW:
UNIT 3
UNIT 4
The natural world of
The natural world of

5. When you see a spider at your home, what’s your first reaction?

6. What are the basic elements of a play?
Actors/ characters
Costumes
Settings
Script
Stage directions
Pay attention to the stage directions.
Highlight the characters’ opinion on spiders.

7. T F T F F T T Read the text and tell T or F
Betty thinks spiders are nasty and should be killed.
Winston changed his view on spider by reading.
Spiders’ poison can treat brain disorders.
4. To the insects in the field, spiders are harmless creatures.
5. The natural method of pest control is useless.
6. Spiders silk have its unique properties.
7. All spiders’ bites are dangerous to people. F T F F T T

8. Read the text and answer the questions
Why did Betty jump in fright?
What changed Winston’s view about spiders?
So what was Winston’s view before he watched the program, and how about now?
Is Betty interested in Winston’s talk about spiders? How do you know that?
What’s Betty ‘s opinion on spiders?

9. Read the text again creatures insects humans autumn shelters shelters
Winston has pointed out many facts of spiders
Very useful __________
Enemies of __________ but friends of ___________
During _______in China, farmers build ________ for them
During winter in China, they live in _________ built for them by farmers.
In______, the spiders eat insects that ______ farmers __________.
They make webs with silk which is _______, ______ and _________.
Their poison is useful----it might be used to treat ______ _________ in humans.
creatures
insects
humans
autumn
shelters
shelters
spring
attack
crops
light
elastic
strong
brain disorders

10. In Betty’s opinion, spiders are:
Line 1, 4, 33, 39
 there is a change:
Kill it  protect it
How to convince:
Examples of spiders’ usefulness & values
SUV
Line 5, 11, 26, 35

11. structure of description
spiders are useful creatures
spiders are the enemies of insects and the friends of humans.
spider silk
protect farms
spider poison
spacecraft
artificial organs
bulletproof vests
brain disorders

12. A natural method of pest control
Extraordinary properties of their silk
Medical application of the poison

13. In the field of agriculture In the field of science: material field
medical field

14. What’s your reaction now if you see a spider?
How should we treat things in nature?