题目
一道英语选择题,选哪个,为什么?
The speed ______ light travels is said to be the maximum in the universe.
A.in which B.by which C.from which D.at which
The speed ______ light travels is said to be the maximum in the universe.
A.in which B.by which C.from which D.at which
提问时间:2021-02-16
答案
选d at the speed 是固定搭配表示以.的速度 the speed(at which light travels)is said to be the maximum in the universe 括号内的是定语从句 我们可以造个句 the light travels at the speed of 3000000000 meters per second 这样你就明白了吧.
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
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点
- 1已知函数f(x)=x²-2x,g(x)=x²-2x(x属于
- 2已知x+y+z=1,求证x2+y2+z2≥1/3.
- 381乘99用简便方法计算怎么算?
- 4This computer is ___ than that one ,but it works much ____.
- 5求21世纪英语报初二285期A special day for giving thanks.原文
- 6Sometimes we t______round going between different funfairs and sometimes we are based in one place
- 7穷兵黩武的意思
- 8广州城沸腾起来了这句话用了什么修辞手法
- 9规定[t]为不超过t的最大整数,例如[13.7]=13,[-3.5]=-4.对实数x,令f1(x)=[4x],g(x)=4x-[4x],进一步令f2(x)=f1[g(x)],求若f1(x)=1,f2(
- 10钙离子能促进脑部某些恶性肿瘤细胞的生长和扩散.研究发现,绿茶中的咖啡因对细胞的三磷酸肌醇受体有抑制作用,三磷酸肌醇受体是钙离子的通道之一,因此常喝绿茶可起的作用是(