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【多选题】
用间接碘量法进行定量分析时,应注意的问题为( )。A.
在碘量瓶中进行
B.
淀粉指示剂应在滴定开始前加入
C.
应避免阳光直射
D.
标定碘标准溶液
E.
滴定时不应过度摇动
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反馈参考答案：
举一反三
【单选题】We don't have to rewrite the message received if we want to send it to someone else.
A.
Y
B.
N
C.
NG
【判断题】The British Empire established many private companies to administer colonies and oversea trade, the most famous one is East India Company in India.()
A.
正确
B.
错误
【单选题】当车辆未完成入口发券操作流程就进入落杆线圈的检测域,将触发报警器报警,同时出现违章处理界面,下列不存在于违章处理界面的是()
A.
挂车
B.
闯关车
C.
泥头车
D.
拖车
【单选题】Many companies are seeking to exploit and develop the rich natural ______ in western regions.
A.
sources
B.
resources
C.
materials
D.
power
【单选题】The example of British Telecom and many other companies are mentioned in Paragraph 3 to _____.
A.
demonstrate the fruitful results of UK's economic reform.
B.
show that services in those companies have improved greatly.
C.
attract more new customers to those companies.
D.
tell how desperate many sectors had been before privatization.
【简答题】下列经济业务,应当采用重置成本核算的是( )
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