对新银盐用分光光度法测定砷会产生干扰的元素有
A．锑、汞
B．镉、汞
C．镉、锑
D．锰、镉
E．锰、汞
参考答案：A
–I don’t know if you remember me, David. We were in the same summer camp last year.
–_______. You were always telling jokes.
A. Not really B. That’s right C. Sure I do
李某(22岁)伙同其弟(15岁)共同实施诈骗行为，骗取大量财物，则( )。
A．二人构成共同犯罪
B．李某单独构成诈骗罪
C．李弟不构成犯罪
D．李弟构成犯罪
