泡沫酸
参考答案：
向酸液中加入发泡剂、稳定剂等添加剂，与气体（N：、㈤）在地面泡沫发生器中充分混合而形成的泡沫状的酸。
看图填写合适的介词。
1. The sun is ________________ the big box.
2. The cloud is ________________ the big box.
3. The moon is ________________ the letter B.
4. The letter G is ________________ the big star.
5. The small star is ________________ the letter Q and the letter D.
6. The letter R is ________________ the letter G.
7. The letter A is ________________ the big star.
8. The face is ________________ the big box.
9. The letter Q is ________________ the big box.
10. The letter R is ________________ the left of the big star's left.
下列表现尚未做官的进士状元的小生类别是（）
A、大官生
B、小官生
C、中生
D、鞋皮生
