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【单选题】
根据动机水平与学习效果的关系研究,假如考试难度较小,则学习动机的最佳水平一般应该( )。
A.
极高
B.
偏高
C.
中等
D.
偏低
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参考解析：
知识点：
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举一反三
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【单选题】一辆汽车的易熔线烧断了,在查出原因后,下列选项哪一项是最正确的修理步骤?
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用一根串联熔丝更换。
B.
安装一个线规尺寸比电路导线大 4 倍的导体。
C.
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【单选题】酚的毒性作用机制主要是()。
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与酶中巯基结合
B.
使蛋白质凝固
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【单选题】酚的毒作用机制主要是
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与酶中的巯基结合
B.
使蛋白质变性凝固
C.
影响呼吸链的功能
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【简答题】阅读理解。 Kate and Peter like sports. In summer they swim and in winter they ski (滑雪). They are planning (计划) a ski trip for this weekend, but they don't know what the weather will be like. It's 7:30 now,...
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【单选题】食物中过多摄入 ( ) 能诱发蝺齿
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【简答题】"Congratulations, Mr. Cooper. It's a girl." Fatherhood is going to have a different meaning and ( 1 ) _____ a different response from every man who hears these words. Some feel ( 2 ) _____ when they r...
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【单选题】What will the club members do with the litter?
A.
They will place it in boxes.
B.
They will place it in aluminium cans.
C.
They will place it into trash bags.
D.
They will place it into garbage cans.
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【单选题】酚的毒性作用机制主要是:
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与酶中巯基结合
B.
使蛋白质凝固
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影响呼吸链功能
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【简答题】succeed advanced common reflect reason smart deadline besides nearly intelt 1. George is a very boy; he is one of the best students in his class. 2. You have to work hard if you want to ...
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【单选题】— What are your students doing now? — They football. Let's go and have a look.
A.
are playing
B.
will play
C.
is playing
D.
were playing
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【单选题】一辆汽车的易熔线烧断了,在查出原因后,下列选项哪一项是最正确的修理步骤?
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【单选题】酚的毒性作用机制主要是()。
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【单选题】酚的毒作用机制主要是
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与酶中的巯基结合
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【简答题】阅读理解。 Kate and Peter like sports. In summer they swim and in winter they ski (滑雪). They are planning (计划) a ski trip for this weekend, but they don't know what the weather will be like. It's 7:30 now,...
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【单选题】食物中过多摄入 ( ) 能诱发蝺齿
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E.
豆制品
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【简答题】"Congratulations, Mr. Cooper. It's a girl." Fatherhood is going to have a different meaning and ( 1 ) _____ a different response from every man who hears these words. Some feel ( 2 ) _____ when they r...
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【单选题】What will the club members do with the litter?
A.
They will place it in boxes.
B.
They will place it in aluminium cans.
C.
They will place it into trash bags.
D.
They will place it into garbage cans.
查看完整题目与答案
【单选题】酚的毒性作用机制主要是:
A.
与酶中巯基结合
B.
使蛋白质凝固
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影响呼吸链功能
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致突变
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【简答题】succeed advanced common reflect reason smart deadline besides nearly intelt 1. George is a very boy; he is one of the best students in his class. 2. You have to work hard if you want to ...
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