某地政府召集5家企业的负责人开会,已知甲企业有2人到会,其余4家企业各有1人到会

题型:选择题

问题:

某地政府召集5家企业的负责人开会,已知甲企业有2人到会,其余4家企业各有1人到会,会上有3人发言,则这3人来自3家不同企业的可能情况的种数为(  )
A.14B.16C.20D.48
考点:分类加法计数原理分步乘法计数原理
题型:选择题

单词拼写。

1. I have many ________ (亲戚) living in Shanghai.

2. She ________ (弯腰) to pick up her wallet just now.

3. My mother is an ________ (受过教育的) and sensitive woman.

4. The People's ________ (共和国) of China is a developing country.

5. He is as________ (顽固的, 固执的) as a mule.

6. Mary is very ________ (活跃的, 积极的) and she likes all kinds of activities.

7. _______ (陷入困境) in the coal mine, they had no choice but to wait for rescue.

8. Five plus five ________ (等于) ten.

9. Courage is one of the ________ (品质, 质量, 性质) of a good solider.

10. They were ________ (极端地) tired and soon fell asleep.

11. His ________ (坚决的) look showed that he had made up his mind.

12. Of the two the ________ (后者) is better than the former.

13. I have got a very full ________ (时间表, 日程表) today.

14. I think it's warm enough to eat ________ (在户外) this evening.

15. A ________ (连续, 系列) of events happened recently in our city.

题型:选择题

物流成本

题型:选择题

肾病综合征水肿的主要原因是()

A.低钠血症

B.低钾血症

C.氮质血症

D.低蛋白血症

E.高胆固醇血症

题型:选择题

不属于先天之气的是()

A.原气

B.肾气

C.元气

D.真气

E.营气

题型:选择题

关于胶囊剂的填充药物下列说法不正确的是()

A.不能是水溶液或稀乙醇溶液,以防囊壁溶化

B.若填充易风干药物可使囊壁脆裂

C.若填充易潮解药物可使囊壁脆裂

D.胶囊壳在体内溶化后,局部药量很大

E.易溶性的刺激性药物不易制成胶囊剂

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