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【多选题】
下列选项中,关于知识建构的机制的表述正确的是A.
个体知识建构就是知识从外到内的简单传递过程
B.
知识建构中学生与环境相互作用,积极主动建构认知结构
C.
建构活动是通过新信息与原有知识经验之间相互作用而实现的
D.
知识建构包括同化和顺应两种心理机制
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举一反三
【单选题】Which of the following parts of Jiegao serves the role of a lever?
A.
the supporting vertical column;
B.
the beam;
C.
the weight;
D.
the rope connecting to a bucket
【判断题】The irrigation tool of hudou is regarded as one of the earliest tools to put lever theory into practice.
A.
正确
B.
错误
【单选题】Which of the following sentences has the word “lever” with the same meaning and usage as that in “corruptly using the levers of government "?
A.
Pull the lever towards you to adjust the speed.
B.
The threat of sanctions is the most powerful lever for peace.
C.
I levered the lid off the pot with a knife.
D.
They managed to lever the door open.
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