以下是肠溶衣材料的为
A.微粉硅胶B.邻苯二甲酸醋酸纤维素C.羧甲基淀粉钠D.氮酮E.糖浆
参考答案:B
句型转换,根据要求改写句子,每空一词。
1. There are some reading rooms in the school library. (改成否定句)
There _________ _________ reading rooms in the school library.
2. Lucy does her homework in the evening.(改为一般疑问句)
_________ Lucy _________ her homework in the evening?
3. They are old films.(改为单数)
__________ _________ old film.
4. My mother often buys me a lot of presents.(改为同义句)
My mother often __________ a lot of presents _________ me.
5. —Is your name Lily?
—No, .
牧民住用帆布或牦牛毛织成的大帐篷。交通运输主要使用牦牛。