1).检查淀粉粒()(2).检查糊粉粒()(3).检查脂肪油()(4).检查菊糖()

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问题比较题

1).检查淀粉粒()
(2).检查糊粉粒()
(3).检查脂肪油()
(4).检查菊糖()

A.碘试液

B.苏丹Ⅲ试液

C.二者均可

D.二者均不可

答案

参考答案：A,A,B,D

选择题

If you _______ my advice, you _______ your failure now．You _______ your victory．

A．took ．．．wouldn’t cry over ．．．would celebrate

B．had taken ．．．wouldn’t have cried over ．．．would have celebrated

C．had taken ．．．aren’t crying over ．．．are celebrating

D．had taken ．．．wouldn’t be crying over ．．．would be celebrating

问答题简答题

三相电力系统中基准值是如何选择的？