将方程-5x2+1=6x化为一般形式为 ______．
方程-5x2+1=6x移项得：5x2+6x-1=0，
所以，方程的一般形式为5x2+6x-1=0．
It is reported that the guy who is going to _________ the lecture spent a year living in the rain forest.
A. refresh B convey C. deliver D. convince
人体最大的消化腺是（）
A.肝
B.胆囊
C.肝胰壶腹
D.钩突
E.螺旋襞
