some students were late for school,---?
题目
some students were late for school,---?
答案
some students were late for school,weren't they?
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
- 作者写海洋“慷慨给予”,“发起脾气”,运用了_______的修辞手法.你能仿照这样的写法,再续写几句吗?
- 语文改错题,望高手指出错误,并改正,
- 人生真是寂寞如雪啊什么意思
- 汽车发动机曲轴跟飞轮运动后带动什么运动,是怎么让整部汽车都运转起来的呢,也就是发动机到最后一步将燃烧的废气排出后,是怎么将气能转化为动能的呢,
- (文科做)已知直线l过点P(2,1),且与x轴、y轴的正半轴分别交于A、B两点,O为坐标原点,则三角形OAB面积的最小值为( ) A.1 B.2 C.3 D.4
- my friends all all my friends my all friends 翻译成英文
- 翻译something never changes between u and me love is everything
- 请写出描写月亮、月色的完整两句古诗文
- 1.P4O2,C6H12O6溶于水后均不导电是因为它们均为共价化合物?
- 解方程组:x+y+z=4,x+y+2z=5,3x+y-z=6
热门考点