在尼可刹米的化学结构中造成不稳定的官能团是
A.吡啶环B.酰胺键C.二乙氨基D.吡啶环和二乙氨基E.哌啶环
参考答案:B
用所给词的适当形式填空。
1. My family____ (go) to Hawaii for our holiday last year.
2. It is a ____ (real) funny show. I like it very much.
3. I don't want to go to the restaurant because the waiters are ____ (friendly).
4. On Sunday, there were too many people in the store. It was very____ (crowd).
5. It's hot and ____ (rain) in summer.
治疗胸脘胁痛,吐苦吞酸,咽干口燥,舌红少苔,脉细弱的最佳选方是
A.一贯煎B.大补阴丸C.左金丸D.泻黄散E.玉女煎