平方根等于它本身的数是( )。

题型:填空题

问题:

平方根等于它本身的数是(    )。

考点:平方根
题型:填空题

根据中文意思填入适当的单词完成短文。

     Once Li Mingming had a happy family. His parents loved him very much. But three years ago, his father  _  1__ (突然) fell ill. The family spent all their money on the illness and became very poor. But the illness was so serious that last year his father __2__  (死). His mother  _  3  _(几乎) went mad. Li Mingming had to drop out of school and work to make money. But luckily for him,  a _ 4__  (陌生人) heard of this and would like to help the family. He __5__(寄) money and things to the family. With the help of him, Li Mingming could go to school again. During the holidays, he worked in a zoo. His duty was to    6  _ (喂养) the animals. Every day there are lots of _ 7 _(游客) visiting the zoo. And Mingming’s    8  _ (梦想) was to make lots of money and help others. So don’t  _ 9   (忘记)that life is _  10  _(充满的)of sunshine. When someone is in trouble, we should give him a hand. If so, others will help you. We should help each other.

题型:填空题

人体不同部位皮肤对外源化学物质的通透性不同,以下皮肤通透性最高的部位是()。

A.额部

B.手掌

C.腹部

D.阴囊

E.足底

题型:填空题

矿物的脱水反应属于交代作用,因为在这个过程中有物质的带出。

题型:填空题

营养品质

题型:填空题

调用C语言标准库函数时要求用 【9】 命令。

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