问题
填空题
我们把规定了（ ），（ ）和（ ）的直线叫做数轴．
答案
原点；单位长度；正方向
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我们把规定了（ ），（ ）和（ ）的直线叫做数轴．
原点；单位长度；正方向
| 完形填空。 | ||||
| There is a zoo in our city. My parents often take me there __1__ Sunday. I like animals. I have a lot of __2__ animals in my room. In the zoo I can see tigers, elephants, monkeys, pandas, bears, snakes __3__ many other animals. I think the most interesting animal in the zoo is the __4__. I like watching them swim and jump. They swim fast and they jump very __5__. They can play with a __6__. They can stand up on water! They are very __7__ to people. If you __8__ into the water and __9__ swim, they may come up to __10__ you. | ||||
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