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【简答题】
根据测定原理,分析方法可以分为化学分析法和仪器分析法,其中 法主要用于高含量和中含量组分(常量组分)的测定。化学分析法按照测量目的不同,可以分为 法和 法。
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举一反三
【简答题】28256 型 EPROM 容量为 32K × 8 位, 则访问该芯片需要( )位地址,假定该芯片在存储器中的起始地址为全0,则其末地址为( )
【多选题】以下哪些是钢材的流通加工形式?( )。
A.
钢板的切割
B.
使用矫直机将薄板卷材展平、纵向切割薄板卷，使之成为窄幅(钢管用卷材 )
C.
汽割厚板
D.
切断成形钢材
【单选题】听力原文： When you see a clever advertisement in a newspaper, do you say to yourself, 'Ah, that's good. I'd like to have one of those'? Or do you say, 'What lies are they telling this time? It can't be ve...
A.
Trust all advertisements and make purchases accordingly.
B.
Get suitable colors and prices from advertisements.
C.
Doubt the truthfulness of advertisements.
D.
Admire the clever ways advertisements are made.
【单选题】In the last 500 years, nothing about people, their clothes, ideas, or languages has changed as much as what they eat. The original chocolate drink was made from the seeds of cocoa tree by South Americ...
A.
Food
B.
Chocolate drinks
C.
Potato
D.
Coffee
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