方程的两边同乘（x-3），得
5x-1-2（x-3）=-1，
解得x=-2．
检验：当x=-2时，x-3=-5≠0，
所以原方程的解为x=-2．
____ makes the school famous is _______ more than 90% of the students have been admitted to
universities.[ ]
A. Which, that
B. That, /
C. It, because
D. What, that
简述抗乳化剂的作用机理？
