直肠癌的组织学分型中，不包括（）
A.腺癌
B.内分泌癌
C.黏液腺癌
D.未分化癌
E.腺鳞癌
参考答案：B
补全对话。
John: Hi, Alan! Do you like movies?
Alan: Yes , 1. _____ 2. _____. But I don't like 3. _____TV.
John: What kind of 4_____ do you like?
Alan: I like comedies, I think they are 5. _____.
John: I like 6. _____, too. They're funny and exciting. Do you like thrillers?
Alan: 7. _____, Idon't. They're 8. _____
John: 9. _____I like them. They're exciting.
Alan: I 10. _____ think so.
有关一级消除动力学正确的是（）
A．药物半衰期并非恒定值
B．药物半衰期与血药浓度高低无关
C．为绝大多数药物消除方式
D．其消除速率与体内药物量成正比
E．其消除速度表示单位时间内消除实际百分率
