文档介绍：Section D
aims and demands:
1. Master some new words and useful expressions:
unless, couple, even though, market, excellent, a couple of, difference, grandson
2. Review present perfect：
(1) have/has been to… (2) have/has gone to…
(3) the usage of “just, yet, already, ever, never”
3. Review some useful sentences:
（1）I really hate to go shopping. （2）So do I.
（3）Great changes have taken place… （4）...about one fifth...
（5）What's the population of China?
二. Important points:
1. unless, couple, a couple of, market, excellent, keep up with, relation, belong to
2. the present perfect tense
三、Teaching aids
Tape and tape recorder, a small blackboard , some pictures.
四. Teaching procedure:
Step 1 Review
1. Check the homework.
2. Practice between the teacher and students to review Section C.
What’s the population of China in 2005 ?
How many people are there living in China?
Is it difficult for lots of people to find jobs?
Does a large people also cause many difficulties for the whole nation?
Why does China carry out the one-child policy ?
3. Ask students “Do you like living in a place with a large population or a small one?”and lead to 1a.
Step 2 Presentation
1. Let students talk about their living conditions freely and discuss the teacher’s question. Then introduce a student’s living conditions in a town. And let students learn and ma