题目内容

二项分布的极限分布是____.

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Directions: Complete the following paragraph with the correct form of the words given below.agencydifferencedrawbackhostelmattressmultinational saveteamworkwell-organizedworthwhileWe're a(n) (1)____ group, with people from all over the world. We're all feeling good because we know that our work will make a real (2) to the local community. When we arrived we stayed in a(n) (3) in a nearby town and spent a week getting to know each other, and as a result our (4) is very good. The (5) that arranged the trip has done a good job and everything is very (6) . Another girl and I are living with a local family, and we get on with them really well. The only (7) is that the family are quite poor -- we sleep on (8) _on the floor and I've spent all the money I (9) on extra food, as I don't really like the food the family eats. But the living conditions don't matter too much to me. What matters is that I'm doing something (10) _________.

血液正常运行的基本条件是

A. 心气充沛
B. 脉管通利
C. 血液充盈
D. 血液量多

心主要的生理功能有

A. 主血脉
B. 主藏神
C. 主统血
D. 主藏血

心功能正常可从下列哪些方面表现出来

A. 面色
B. 舌色
C. 脉象
D. 胸部感觉
E. 神志活动