【学习目标】：
i. 学习形容词的用法——用来描述人或物，放在系动词之后（作表语）或名词之前（作定语）。
ii. 学习形容词的比较级和最高级构成规则。
iii. 重点语句：She has short hair. Her hair is short.
Sandy’s hair is longer than Millie’s hair.
My book is more interesting than his book.
He is the tallest boy in my class.
This is the most expensive book in the shop.
单 词 1.cheerful 2. printer 3. height 4. competition 5.test 6.worse
7.worst 8.activity 9.camping
