简述软件的概念及其分类，并说明各类的含义。（8分）_爱下问搜题

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问题问答题

简述软件的概念及其分类，并说明各类的含义。（8分）

答案

参考答案：

完形填空

A king was old and he knew it was time to choose a new king. He told all the young people in the country,” I’ll give        of you a seed(种子). Plant it and bring it back one year later. Show me the plant that you bring,          I’ll choose a new king from you.
A boy        _Ling got a seed, too. He planted it       . But the seed didn’t grow at all. A year later, Ling had to take his       box to the palace . Others all brought beautiful plants there and Ling felt      .
The king          the palace and looked around. When he found there was nothing in Ling’s box. The king smiled and said to the others, “ One year ago, I gave everyone a seed         couldn’t grow. But all of you, except Ling, have brought me plants and flowers. Ling was the only one          the honesty(诚实) and courage(勇气)to bring         a box. So he will be the new king.”

实验题

下图是尿的形成过程示意图，请据图回答。

（1）肾脏的结构和功能单位是。

（2）图中A、B两处表示两种生理过程，其中B表示。

（3）从[ 6 ]和[ 7 ]中流出的液体分别是和。

（4）下表是血浆、原尿和尿液的成分比较表。请分析回答：

比较	血细胞	蛋白质	葡萄糖
样品甲	×	×	√
样品乙	×	×	×
样品丙	×	√	√

①三种样品中代表原尿的是。

②如果样品乙中出现了较多的红细胞，可能是肾中的出现了病变造成的

（5）尿的形成是连续的，但人体排尿是间断的。排尿反射属于反射。如果一个人的脊髓从胸部折断，结果此人出现大小便失禁，无法进行有意识的排尿，说明脊髓内的神经中枢受的控制。