My father was reading newspapers__my mother was cooking 填when还是while

My father was reading newspapers__my mother was cooking 填when还是while

题目
My father was reading newspapers__my mother was cooking 填when还是while
答案上选while,但我觉得应选when,原因是我认为when>while
答案
当然是while了.My father was reading newspapers与my mother was cooking是两个并列的同时发生的动作,用while.
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

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.