.It is the business of the scientist to accumulate knowledge about the universe and all that is in
题目
.It is the business of the scientist to accumulate knowledge about the universe and all that is in
and to find,if he is able,common factors which account for the facts that he knows.
翻译成中文
答案
科学家要做的事就是积累有关宇宙和宇宙中的一切事物的知识,而且要是可能的话,
找出那些既能构成科学家所知事实的基础,又能解释这些事实的共同因素.
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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