一个样品进行了四次测定,结果很接近,这说明()。
A.偶然误差小
B.仪器精度高
C.方法误差小
D.系统误差小
参考答案:A
-Alice told me you called yesterday.
--Yes, I had a problem with Jane, I thought you could help me with, but you’re not in.
A.who
B.whom
C.that
D.which
版权的邻接权与版权在具体权项上存在对应关系,广播组织权对应的应该是()。
A.出版权
B.表演权
C.录制权
D.播放权