一个数的最小倍数是12，这个数有______约数．_爱下问搜题

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问题填空题

一个数的最小倍数是12，这个数有______约数．

答案

12的约数有：1，2，3，4，6，12；

所以12的约数有6个；

故答案为：6．

单项选择题

商业承兑汇票的付款期限由交易双方自行商定，但最长期限不得超过( )。

A．12个月

B．9个月

C．6个月

D．3个月

完形填空

Learning is natural. It begins as soon as we were born. Our 36  teachers are our families. At home we learn to talk and to 37  and feed ourselves.
Then we go to school. A teacher tells us   38   to learn and how to learn. Many teachers teach us, and we pass many   39  .Then people say we are   40 .
Are you really educated? Let’s think about the real meaning of   41   .Knowing facts does not   42 being able to solve(解决) problems. Solving problems   43   creativity(创造性),not just a good  44  .Some people who don’t know many   45 are good at solving problems.
Henry Ford is a good   46  .He left school at the age of 15. Later when his company could not build cars   47  enough, he solved the problem. He  48 of the assembly line(装配线).
What does a good teacher do? Does he give students facts to 49 ? Well, yes, we must remember facts. But a good teacher   50  how to find answers. He brings us to the 51  of knowledge so we can drink for ourselves. When we are thirsty, we know where to go.
True learning combines(结合) intake(输入) and output. We take information   52 our brains. Then we use it. Think of a   53  —it stores a lot of information, but it can’t think. It only obeys commands. A person  54  only remembers facts hasn’t really learned. Learning takes   55 only when a person can use what he knows.

C．stream（小溪）