【核心词汇】
1.型号，式样model
2. 付得起afford
3. 预付定金deposit
4. 价格price
5. 百万富翁millionaire
6. 分期付款instalment
7. 退休retire
8. 出售sell
9. 相信believe   
10. 因为because

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【重点句型】
1. The mobile is as expensive as the TV.  这个手机和电视机一样贵。 
2. The watch is not as expensive as the TV. 这个手表没有电视机那么贵。 
3. The TV is more expensive than the watch. 电视机比手表要贵。 
4. He is the most intelligent student in our class. 他是我们班最聪明的学生。