检查激素、药物等微量物质的方法是（）
A.免疫荧光法
B.免疫胶体金技术
C.对流免疫电泳
D.ELISA
E.放射免疫测定法
参考答案：E
I have made up my mind to set off tomorrow morning, and I will _____ my decision.
A．stuck on
B．insist on
C．stick to
D．insist
