Hurry up, or you will be late for school. 赶快，否则的话你将会上学迟到。
He was ill, so he asked for sick leave. 他病了，所以他请病假了。 Tom was fat, for he ate too much unhealthy food. 汤姆胖，因为他吃了太多不健康食品。
Unit 6 Seasonal changes
【基础知识】
1. seasonal changes季节的变化 a.
2. uniforms for different seasons 不同季节的校服 n.
a uniform 一件校服
3. a pair of sleeves 一副袖子 a pair of grey trousers 一条灰裤子 4. a red scarf 一条红领巾 must wear red scarves 必须戴红领巾 5. write a notice to all new students 给全体新生写一个通知 n. a notice board布告栏
notice sb. doing sth. 注意v. 某人正在做某事
6. their uniforms in summer 他们的在夏天的校服 wear summer uniforms 穿夏天的校服
7. in early October 在十月初 in late April 在四月底 early 和late既可以作形容词，又可以作副词。
He gets up early/ late every morning. 他每天早上起床早/晚。 8. wear white shirts/ dresses with the short sleeves 穿短袖的衬衫/连衣裙
9. take some photographs of their school life 拍一些他们的学校生活的照片
10. in the school garden 在学校花园里 in the canteen在餐厅
11. grow in the garden 种植在花园里 fly around =everywhere=here and there四处飞
12. like playing in the playground 喜欢在操场上玩
like studying in the library喜欢在图书馆里学习 like to do / doing
sth. 喜欢做某事
13. be air-conditioned 是有空调的 an air-conditioned room 一个有空调的房间
an air-conditioner 一个空调
14. like having ice cream and soft drinks after lunch 喜欢在午餐后吃冰淇淋和软饮料
15. make snowman 堆雪人 have hot drinks 喝热饮料 not many students 没有许多学生
the leaves on the trees 树上的树叶 the bird in the tree 树上的鸟
16. help them keep warm 帮助他们保暖
keep sb./sth. + adj. 保持某人或某物处于某种状态 keep warm保暖
keep the door open / closed 保持门开着/关着 keep our classroom clean 保持我们教室干净
17. must作为情态动词表示“必须”，否定式mustn’t表示“禁止，不允许”，注意由must提问的一般疑问句肯定回答用Yes, ……must ; 否定回答用No, you needn’t.
18. 连词because引导原因状语从句。
I like flowers because they are very beautiful.我喜欢花因为他们很美。
Unit 7 Travelling in Garden City
【基础知识】
1. a double-decker bus 一辆双层巴士 2. instead 代替
instead of (doing) sth. 代替，而不是 3. an air-conditioned bus 一辆空调巴士
4. a public transportation card 一张公共交通卡 5. in the past 在过去，常用一般过去时