当前位置: > 英语翻译...
题目
英语翻译
(beri-beri which used to afflict large numbers of Eastern people who lived mainly on rice.In the early years of this century,a Dutch scientist called Eijkman was trying to discover the cause of beriberi.At first he thought it was transmitted by a germ.)Later he found that a lack of some element in the husk is the cause of the disease.And the element was shortly afterwards isolated from rich husks and is now known as vitamin B

提问时间:2021-04-08

答案
后来,他发现水稻外皮缺少某些元素才是诱发脚气病的真正原因.这种元素之后被分离出来,正是现在的维他命B.
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
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.