根据句意及首字母提示，在空白处填入适当的单词。

小题1:—How often does Jim go to the library?

—He goes to the library o__________ a week.

小题2: W_________ comes after Tuesday.

小题3:There is a soccer game b_________ Class 3 and Class 4 on the playground at 4:30 p. m. on Friday.

小题4:—Do you like l_________ to music?

—Yes, very much.

小题5:—Where is John now?

—He is w___________ a letter in the classroom.

测得的量值与参考量值之差，叫做（）。

A.随机误差

B.绝对误差

C.修正值

D.测量误差