单选题
A balance used for weighing drugs or jewels must be a（ ）instrument, but this would be quite unsuitable for weighing coal, sand or blocks of stone.
问题1选项
A.distinction
B.correction
C.precaution
D.precision
A.distinction
B.correction
C.precaution
D.precision
相关知识点试题
相关试卷
咨询
查看视频解析
