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下列叙述错误的是 ( )A.
方法误差是指分析方法本身所造成的误差。例如滴定分析指示剂确定的滴定终点与化学计量点不完全符合属于方法误差
B.
由于试剂不纯，蒸馏水含有杂质和容量器具刻度不准造成的误差均属于系统误差
C.
滴定分析时，操作人员对颜色判断不敏锐引起的误差属于操作误差
D.
试剂误差和操作误差都属于随机误差
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【简答题】Read the dialog, then fill in the blank with the correct ; across; around ; up ; turn ; take; to; by; on Lewis: How far is it to the bank from here? Kaden: About ...
【简答题】用适当的介词填空。 1. What are you going to do your summer holiday? 2. Harbin is the north of hina. 3. Hangzhou is Zhejiang Province. 4. The capital Japan is Tokyo. 5. How will you go to the City Library , foo...
【简答题】City Library The largest library in the area with over 70,000 books of different kinds in it. Two big reading rooms which can hold 2,000 readers. Open from 9:00 am to 7:00 pm, Monday to Saturday. Sunn...
【单选题】In our city, smoking is not _____ in such public places as the cinema, the theater, the library
A.
10. In our city, smoking is not _____ in such public places as the cinema, the theater, the library and the museum. A．let
B.
permitted
C.
promised
D.
Agreed
【简答题】10) The City
Library is one of the (big) libraries in the world. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
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