They were working when I got there.(对画线部分提问)
题目
They were working when I got there.(对画线部分提问)
对were working提问
___________ ___________ they __________ when I got there?
答案
What were they doing when I got there?
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
热门考点
- ( )Would you like to help me with my English?_______
- 因为我的梦想永远在路上这句话的含义是什么啊
- It tastes too salty,( )( 反义疑问句
- 某校体育馆游泳池,长50米,宽20米,深1.2米.要在赤壁和池底贴上面积0.16平方米的瓷砖,需要瓷砖多少块
- 背课文总是记不住怎么办
- 请change the following sentences
- 某同学把稀盐酸滴入氢氧化钠溶液时,发现有气泡生成.(方程式)
- 已知{an}是等差数列,且公差d≠0,又a1,a2,a4依次成等比数列,则a1+a4+a10/a2+a4+a7=
- 求证cos(a+b)cos(a-b)=cos^2b-sin^2a
- 美丽的心 林清玄阅读答案