测定过程中出现下列情况,导致偶然误差的是()
A、砝码未经校正;
B、试样在称量时吸湿;
C、几次读取滴定管的读数不能取得一致;
D、读取滴定管读数时总是略偏高。
参考答案:C
---Mr. Parker is so ambitious. He is seeking any opportunity to get promoted.
---That’s understandable. ________you are in our company determines how well you are paid and________you can do with your life.
A.Who; that
B.How; what
C.What; that
D.Where; what
装置从正常操作完全停工,要经历哪四个过程?