若关于x的方程x2+kx+2=0的一根为2,k的值为______;则另一根x2=______.
根据题意得:2+x2=-k且2x2=2
解得:x2=1,k=-3
故答案是-3和1.
The doctor ________ the woman ,but he couldn’t find out what was wrong with her.
A.looked over
B.looked after
C.looked for
D.looked out
对中药材生产全过程进行规范化管理应遵循()
A.GMP
B.GAP
C.GCP
D.GLP
E.GSP