蛋白质的主要吸收形式是:
A. 蛋白质
B. 多肽
C. 寡肽
D. 胨
E. 氨基酸
关于脂肪消化和吸收的叙述,正确的是:
A. 短链脂肪酸主要吸收入血液
B. 主要在胃内进行
C. 脂肪的消化和吸收需要胆盐的参与
D. 长链脂肪酸主要吸收入淋巴液
E. 以脂肪酸、甘油一酯和胆固醇等形式被吸收
请根据短文4B“How to Start Your Own Business”的内容补全以下每个句子。1. Starting your own business brings in ________.2. Your business cannot survive if you don't have enough _____.3. Taking your passion into consideration, you will stay focaused on _____.4. In doing business, it is very likely for you to exceed _____.5. You should establish relationships with people who can offer _____.6. A makeshift Board of Directors will guide you in _____.
一个门电路的逻辑功能是“有0出1,全1出0”,则它是()。
A. 与门
B. 或门
C. 或非门
D. 与非门