What was tested in this experiment? The children who were selected for the experiment gained more IQ points than the others bec

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问题 What was tested in this experiment?
The children who were selected for the experiment gained more IQ points than the others because they were ______.

选项 A、more clever
B、taught by different teachers
C、taught with new materials and methods
D、given more encouragement by their teachers

答案D

解析根据文中“Teachers…had given them more positive reinforcement．”(教师给了他们更多的正面帮助。) positive reinforcement中包含了很多正面因素如表扬、褒奖、鼓励等。所以根据文义，选[D]正确。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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What was tested in this experiment? The children who were selected for the experiment gained more IQ points than the others bec

公共英语二级笔试

公共英语（PETS）

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