介绍别人的英语作文
题目
介绍别人的英语作文
答案
Introduce a classmateI have a classmate and he is also my good friend.He is very tall and handsome.He has short and black hair.They make him more active.He has a round face,a small nose,two big eyes.T...
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
- 求对…满意的2个英语翻译
- there is _______ ( little) water in the river ,is there?
- I decide to reply in () but not talk face to face.
- 用举例法表示下列集合
- 单项选择(要理由): His group is making a list of rules_______the class.
- 数集A满足条件:若a∈A,a≠1.则1-a/1∈A.说明:若a∈R、则集合A不可能是单元素
- 仪仗队将将185束花发给45名同学,根据需要,有的同学发给3束,有的发给5束,正好发完.发到3束和5束花的同学各有多少名?
- 设函数f(x)=ex-x-1,g(x)=e2x-x-7. (1)解不等式f(x)≤g(x); (2)事实上:对于∀x∈R,有f(x)≥0成立,当且仅当x=0时取等号.由此结论证明:(1+1/x)x<e
- 英语翻译
- 两个完全相同的烧杯,一杯放满水,另一杯也放满水,但水面漂浮着一块木块,把这两杯水放在天平的两边则( )
热门考点