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shorter/shortest
better/best
bigger/biggest
more beautiful/most beautiful
earlier/earliest
more slowly/most slowly
Don’t forget what we learnt
This computer is expensive.
This computer is more expensive than that one.
This one is the most expensive
of all.
￥4999
￥3999
￥6999
This apple is the biggest of all.
This apple is big.
This apple is bigger than that one.
Unit 2
What is the best way to travel?
Learning aims
To be able to master the words and expressions : book cost plan to because of…
To understand the passage on travel and transportation(运输).
To master the use of superlative (最高级的)adjectives and adverbs.
words review
1. 旅行；旅程
2. 预定
3.停放（车）；泊（车）
4. 在……之外; 在外面;
外面;外部的.
5. 然而；但是