sharpen a pencil with a knife.
Sharpen a knife.
Sharpene stone tools.
n. sharpener 磨快的用具
adj. Sharp 锐利的、陡峭的、激烈的、凛冽的
8．Preserve vt 保存、保护 、保管
The city should take steps to preserve the old temple.
Preserve… from..保护使免于
Oil preserves metal from rust.
Vt.保存 、储藏 , 维持、保护
Preserve fruit in sugar cans.
Preserve one’s strength.
9．I’m sorry to interrupt you, but how could they live here?
I’m sorry, but ……
Excuse me , but….
10.We have been excavating layers of ash almost six meters thick, which suggest that they might have kept the fire burning all winter.
six meters thick
six years old
The Forth period Learning about language and using language
Teaching goals 教学目标
1. Target language目标语言：
重点词汇和短语
look ahead, accelerate, arrest, dizzy, relief, eyebrow, cheekbone, arrowhead, axe, division, affection, affectionate, patient, skillful, exhausting
2. Ability goals能力目标
Enable the Ss to describe the life of early people
Task-based method, reading and discussion
Content 教学内容
Step I Revision and Lead-in
1. Check the homework.
2．Ask the Ss to recite some useful words and expressions.
Step II Lead-in
Ask the Ss to turn to page 43 and look at the picture, then try to describe what are these early people are doing. And imagine what their life was like.
Step III Language Points
Play the tape for the Ss to listen. At the same time, the students are asked to find the answers to the following questions.
1. Which jobs did Dahu do? ( to make tools, catch fish, cut up meat, scraper the fish and welcome guests)
2. Which jobs did Lala do?(to collect nuts and fruit, to prepare the meat over the fire)
3. Who works cooperatively and who does tasks alone? (Both men and women work cooperatively. For example, Lala’s mother and aunts were preparing the meat of deer and pig over the fire. Men do tasks alone)
4. Who does the most dangerous tasks?( men do the most dangerous tasks)
5. Where does the danger come from? ( The danger comes from the wild animals)
Step IV Post Reading
1. In groups discuss what the possible work division was between men and women at that time.
Mens’ tasks: making tools, fishing, making fire, protecting the family form wild animals, cutting up meat.
Women’s tasks: collecting nuts and fruits, making and sewing clothes, looking after baby, preparing food, doing housework.
2. Then ask them to look at the above item and try to use adjective best describe each of them.
Adjectives best describe the women:
caring, affectionate, safe, co-operative
Step Ⅴ Homework
Practicing using two or more adjectives to describe the Saxingdui Ruins objects on page44.
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