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【单选题】
用邻菲罗啉法测定锅炉水中的铁，pH需控制在4~6之间，通常选择( )缓冲溶液较合适。
A.
邻苯二甲酸氢钾
B.
NH3—NH4Cl
C.
NaHCO3—Na2CO3
D.
HAc—NaAc
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接收者的姓名,电子邮件地址及其它信息的文件夹,叫做().
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【单选题】( )9. A. Because she is free that day. B. Because she has a music lesson that day. C. Because she goes to the movies that day. D. Because her father teaches her music that day.
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【简答题】  Which music festival is the UK equivalent of the Grammys. Lesson 2
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【单选题】在Outlook Express和其它电子邮件程序中有一个包括与用户经常联系的电子邮件
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【单选题】( )9. A. Because she is free that day. B. Because she has a music lesson that day. C. Because she goes to the movies that day. D. Because her father teaches her music that day.
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【简答题】如果希望用户能够通过Outlook Express来收发电子邮件，则还需要安装什么服务器?Outlook Express可以通过哪些协议来读取存取在邮件服务器的邮件?
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