问几个简单的反意疑问句
题目
问几个简单的反意疑问句
1.He has a pen,后面应该用 hasn't he ,还是 doesn't he?
2.He has been to Beijing,后面应该用 hasn't he ,还是 doesn't he?
3.He has lunch in the afternoon,后面应该用 hasn't he ,还是 doesn't he?
答案
doesn't he .应为has在这里是动词“拥有”.所以用DO.
hasn‘t he.has 是结构的助动词.
doesn’t he.have lunch 动作词组.
凡是有实际动作意义的就拥DO.
应该是这样的、
.
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
- 用视觉嗅觉听觉写大雨(200字)
- (A+4)(A+4)-(A+5)(A+5)+(A-3)(A-3)=24-3A
- Our classroom is _____(在顶楼)of Building A.这句话应该用 on the top floor还是at the top floor
- 生活中有哪些物体的体接近1立方厘米,1立方分米,1立方米,
- My friends asked me to d----- my experiences of travelling in Japan.
- We shall be happy to do_____with you.A.business,b.things,c.work,d.results
- 英语翻译
- 一些关于青铜器的问题!
- 地理如何选择地图
- 求函数u=x^2+y^2+z^2在点M(2,-2,1)处沿点M到点N(3,-3,1)方向的方向导数.