题目

你知道每堆分别有几根小棒吗?数一数，说一说你是怎么想的? 答案：1．数的组成：先充分利用小棒边摆边说数，左边的10根捆成一捆，在右边一根一根地添加小棒，每添一根小棒就说出一共是多少，由几个十和几个一组成的．图上11是由1个十和1个一组成的；15是由1个十和5个一组成的；20是由2个十组成的.2．读法：11读作“十一”，15读作“十五”，20读作“二十”．阅读下面对话，掌握其大意，并根据所给首字母的提示，在标有题号的右边横线上写出一个英语单词的完整、正确形式，使对话通顺。 W: Are you busy tomorrow night? I’m going over to the Workers Club to play volleyball if you’d like to come （1） a           . M : Isn’t that far away? W : Not （2） r        . It’s only half an hour’s （3） w        . If you drive, you can get there in five minutes. And if volleyball doesn’t （4） i        you, they have got a huge indoor swimming pool, a weight room, and an indoor track. It’s a great place to meet people. I guess it’s （5） w        a visit. M : Now that you mentioned it, it would be nice to get away （6） f      the computer center for a （7） c        ,and I really should get some more exercise. Look, I’ve got so fat. In height school I had a lot more time to do sports activities. Now the little （8） s       time I have must be used in doing exercise. Did you say you’re going tomorrow night. W : Yeah. M : Ok, I’ll come, too. （9） H        about meeting me in front of the cinema at eight, and we’ll catch the bus there. W : （10） S        , see you then.