⑴ ____
⑵ ____
⑶ ____
⑷ ____
A. The hat is beautiful. It's size 5.
B. These shoes are new and nice.
C. The T-shirt is too small.
D. I wear a red dress. It is size 13.
⑴小心的____ ⑵危险____ ⑶走进____ ⑷乱扔垃圾____
⑸意味着____ ⑹禁止吃喝____
价格x（元/kg）
10
15
20
25
30
日需求量y（kg）
11
8
6
5
