3. Look and write.(Mike拿一些人物与风景的照片,请同学们仔细观察下面的照片,写一写照片里的人物或景色有了哪些变化。)

( 1 ) These are Kitty and Mary. Mary
is than Kitty. (tall)

( 2 ) This is Jill. She is than
before. (thin)

( 3 ) The cat on the right is
than the one on the left. (heavy)

( 4 ) Kitty is giving her seat to Granny Li,
because Granny Li is than she. (old)

( 5 ) Jane is than her brother,
Tom. (young)

( 6 ) Jack's plant is than Peter's.
(big)

(1) taller
(2) thinner
(3) heavier
(4) older
(5) younger
(6) bigger

本题考查形容词比较级的运用，需结合图片判断比较关系，再根据形容词变比较级的规则作答：
1. 图片显示Mary比Kitty高，tall的比较级直接加er，填taller；
2. 图片显示Jill现在比以前瘦，thin是重读闭音节单词，双写末尾字母n加er，填thinner；
3. 图片显示右边的猫比左边的重，heavy是以辅音字母+y结尾的单词，变y为i加er，填heavier；
4. 图片显示李奶奶比Kitty年长，old的比较级直接加er，填older；
5. 图片显示Jane比哥哥Tom年幼，young的比较级直接加er，填younger；
6. 图片显示Jack的植物比Peter的大，big是重读闭音节单词，双写末尾字母g加er，填bigger。