单词：
1. hand n. 手
a. left hand, right hand green hand 生手，新手
b. 指针 The hour hand .
c. hand in hand 手拉手
d. finger
2. clean
(1)形容词：清洁的 反：dirty
(2)打扫，弄干净clean the room
(3)cleaner 清洁工，干洗店
(4)dry cleaning干洗 a general cleaning 大扫除 cleanings扫出来的垃圾
3. show
(1)v. 出示，显示，给…看 eg: show me your tickets
(2)n. 展览会，演出，节目 fashion show talk show
4. they (他/她/它)们
5. dirty 脏的 dirty clothes 反：clean
6. go 反come
go to school上学
go to bed 睡觉
go to the classroom 去教室
7. wash v. 洗
(1) wash clothes wash dishes
(2) Washing machine 洗衣机 Washington华盛顿
Washington DC 华盛顿市 Washington State 华盛顿州
8. at once 立即 Do it at once
Once adv. (1)曾经 She was once rich
(2)一次 once again, once more
(3)从前 once upon a time
9. towel毛巾 soap 肥皂 shampoo 洗发水 comb 梳子 句型：
1. Are your hands clean? Yes, my hands are clean .
2. Your hands aren’t clean 3. Wash your hands
4. Are Sue’s hands dirty ? No,they aren’t. / Yes, they are.
5. Are Sue’s hands clean or dirty ?
Sue’s hands aren’t dirty. Sue’s hands are clean.
6. What about the brown shoes? The brown shoes are small.