问题
填空题
从某高级中学高一年级的10名优秀学生（其中女生6人，男生4人）中，任选3名学生作为上海世博志愿者，问恰好选到2女1男的概率是 ．(用数值作答)
答案
搜题请搜索小程序“爱下问搜题”
从某高级中学高一年级的10名优秀学生（其中女生6人，男生4人）中，任选3名学生作为上海世博志愿者，问恰好选到2女1男的概率是 ．(用数值作答)
| 阅读下面表格内容，从每题所给的A、B、C3个选项中，选出1个最佳答案。 | ||||||||||||||||||
| ||||||||||||||||||
| 1. How many main problems are there in the survey? | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. Four. B. Five. C. Six. | ||||||||||||||||||
| 2. What problems are caused by too much homework? | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. Get fat. B. Fight with each other. C. Feel stressed and get short sighted. | ||||||||||||||||||
| 3.If Simon is feeling stressed, he should . | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. do much more homework B. buy some snacks C. make a plan for study and hobbies | ||||||||||||||||||
| 4. Peter doesn't like study. Maybe he . | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. plays too many computer games B. has no pocket money C. gets fatter and fatter | ||||||||||||||||||
| 5. is a good way for students to stop fights. | ||||||||||||||||||
[ ] | ||||||||||||||||||
| A. Doing less homework B. Learning how to make friends C. Playing computer games |