对容量分析法进行精密度考察时,试验数据的RSD一般不应大于()
A.0.1%
B.0.2%
C.0.3%
D.0.4%
E.0.5%
参考答案:B
I suggest you delete the useless files on the computer which _______ too much space.
A.give away
B.make up
C.set aside
D.take up
旋毛虫病的易感人群与哪种因素关系密切()
A.免疫
B.地域
C.季节
D.生食的饮食习惯
E.性别