两种构型
猜你喜欢
- 1如图,在平行四边形ABCD中,EF经过对角线的交点O,EF垂直平分AC分别交CD,AB于E、F,求证:四边形AECF是菱形
- 2We plan to play football this afternoon .will you ___us?
- 3用所给单词的适当形式填空:Gina is a name for a ( )(girl).
- 4The question came up at the meeting ______ we had enough money for our research.[ ]
- 5一堆煤第一天烧了9分之5+第二天烧的剩余的9分之5等于2吨说这堆煤一共多少吨
- 6You‘ll have to h---if you want to catch that train.
- 7已知圆C:X平方+Y平方-4=0.直线L:mx-y+1-m=0 (1)判断直线L与园C的位置关系(2)若直线L与圆C交于不同两点
- 8a person a book,play ,film ect
- 9描写人物语言的语句
- 10《看云识天气》的中心思想和主要内容