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【多选题】
以下哪些符合大脑皮层的活动规律( )。A.
熟能生巧体现了动力定型
B.
对感兴趣的内容快体现了优势法则
C.
学习开始效率低，后慢慢效率提高体现了始动调节
D.
大脑某一区域活跃时其他区域会被抑制体现了镶嵌式活动。
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皮皮学刷刷变学霸
举一反三
【单选题】____, he would have passed the exam. A. If he were to study B. If he studied hard C. Had he studied hard D. Should he study hard
A.
B.
C.
D.
D
【单选题】He ( ) to study harder in the future so that he could have more opportunities to find a better job.
A.
resolved
B.
resorted
C.
requested
D.
reserved
【单选题】学校食堂里午餐品种丰富多样，蔬菜中主要有胡萝卜、芹菜、大白菜等等．请问胡萝卜、芹菜、大白菜的主要食用部分分别是植物体的什么器官（ ）
A.
果实、茎、叶
B.
根、茎、叶
C.
根、叶、茎
D.
根、茎、茎
【简答题】A．He did not like to study. B．He had to work to support his family. C．A friend of his father' s offered him a job. D．His father did not like him to study Art.
【单选题】What is the man's problem?
A.
He has to study for an important exam.
B.
He needs to prepare for a class discussion.
C.
He owes a fine at the library.
D.
He does not own a DVD player.
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