口红生产过程:一道单选
来源：百度文库 编辑：高考问答 时间：2024/04/30 12:12:43
Franklin discovered______electricity,which was then regarded as______secret of nature.
A./,the B./,a
A or B??????Leave your explanation,please.
A./,the B./,a
A or B??????Leave your explanation,please.
B./,a
A.个人觉得，因为FRANKLIN的DISCOVERY本身就是SECRECT OF NATURE，所以后面应该用THE。
a,b
B
B