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【判断题】
最早利用动物研究问题解决行为的是美国心理学家桑代克。【 】A.
正确
B.
错误
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举一反三
【单选题】硅胶薄层板活化最适宜温度和时间分别是( )
A.
150 ℃ /30 min
B.
100~ 105 t/60 min
C.
110℃ /30 min
D.
110~ 115℃ /30 min
【单选题】According to the context，the word 'disruption' in Paragraph 6 means
A.
According to the context，the word "disruption" in Paragraph 6 means A."Confusion."
B.
"Tearing apart."
C.
"Interruption."
D.
"Flattening."
【单选题】()硅胶薄层板活化最适宜温度和时间是
A.
100℃/ 60min
B.
100~150℃/ 60min
C.
100~110℃/ 30min
D.
120~150℃/ 30min
E.
100~150℃/ 30min
【单选题】According to the context, the word 'disruption' in Paragraph 6 means:______.
A.
Confusion
B.
Tearing apart
C.
Interruption
D.
Flattening
【简答题】According to the context, the word 'disruption' in paragraph 6 means
【单选题】6 Which of the following journal entries are correct, according to their narratives?
A.
1 and 3
B.
2 and 3
C.
1 and 4
D.
2 and 4
【简答题】Java中用____修饰的成员变量和方法称为共有变量和共有方法
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