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【判断题】
若是两种金属离子与EDTA形成的配合物的IgK w值相差不大,也可以利用 制溶液酸度的方法达到分步滴定。( )A.
正确
B.
错误
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【简答题】太阳能电池标准测试条件下的辐照度为 瓦/平方米。
【简答题】阅读理解 Have you ever suddenly felt that someone you knew was in trouble-and was he? Have you ever dreamed something that came true later? Maybe you have ESP(超感觉的知觉). ESP stands for Extrasensory Percepti...
【单选题】----Have you ever seen Peter recently ? ---Yes . He _____ me to ask you how you _____ along with your new job these days .
A.
has asked ; have been getting
B.
asked ; were getting
C.
often asks ; are getting
D.
asked ; are getting
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