半径为1,圆心角是300°的弧长为( )。
One of the English teachers Kate eventually __________ her project to the school board for their approval of the speech contest.
A.admitted
B.permitted
C.submitted
D.recommend
尿胆原测定的方法是()
A.Rothera法
B.Smith法
C.Harrison法
D.Leevenson法
E.Ehrlich法