甘油明胶
A．硬脂醇220gB．十二烷基硫酸钠15gC．白凡士林250gD．羟苯乙酯0.25gE．丙二醇120g水加至1000g
参考答案：D
用适当的单词填空。
longer shorter
1. The rabbit has a tail.
2. The cat has a tail .
heavier thinner
3. The black dog is than the white one.
4. The white dog is than the black dog.
older younger
5. The woman is .
6. The girl is .
刚来中国，上街买东西时我经常出笑话。
A．又说又笑B．嘲笑别人的话C．引人发笑的事情D．说让人高兴的话
