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
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 |