Ⅰ. 用本单元的单词及汉语提示完成词块
1. a parcel(包裹) from home
2. some sweets and jam(果酱)
3. nice to get mail(信件)
4. my secondary(中学的) school
5. clay(陶土) floors
6. a dusty(布满灰尘的) track
7. a chorus(合唱队)
8. wear cotton uniforms(制服)
9. the test tube(管子)
10. a wrinkled(起皱纹的) forehead
11. a platform(平台) for Jenny
12. ripe(成熟的) corn
13. dragged(拖) ourselves down the mountain
