英语作文 航天英雄霍志刚已家喻户晓,他是我国第一位在太空中行走的人(spacewalker)
题目
英语作文 航天英雄霍志刚已家喻户晓,他是我国第一位在太空中行走的人(spacewalker)
查阅其个人资料 不少于60词的短文介绍其主要故事
答案
A 42-year-old fighter pilot,Zhai Zhigang is well-known for Chinese first man to walk in space.He was born in October 1966 in a small community near the town of Qiqihar in northern Heilongjiang province near the border with Russia. When he was a boy his illiterate mother would spend all day selling sunflower seeds on the streets to make enough money to pay for an education for her children. Zhai became a fighter pilot and has clocked up some 1,000 hours of flight time in his career. Zhai Zhigang holds the rank of colonel in the People's Liberation Army.
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
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