问题
填空题
从4名男同学和3名女同学中随机选出3人参加演讲比赛,则男女同学都被抽到的概率为_________ （用数字作答）
答案
题目分析：由题意
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从4名男同学和3名女同学中随机选出3人参加演讲比赛,则男女同学都被抽到的概率为_________ （用数字作答）
题目分析：由题意.
| 改正句中的一处错误。 | |
| 1. Where's Wuhan and Changsha? 2. Where're the flowers? It's on the table. 3. There is a picture book on dresser. 4. There's a window(窗户)on the wall. 5. We can see some birds on the tree. 6. I need my hat. Please take it here. 7. It's on the floor, between the bookcase or the desk. 8. We aren't know his name. 9. Some things are in the bed. 10. Here is the CDs. | _____ _____ _____ _____ _____ _____ _____ _____ _____ _____ |