According to some educators, the goal of teaching is to help students learn what ______ to know to live a well-adjusted and succ

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问题 According to some educators, the goal of teaching is to help students learn what ______ to know to live a well-adjusted and successful life.

选项 A、do they need
B、they need
C、they are needed
D、as they may need

答案B

解析 考查宾语从句。learn是及物动词要接宾语,what they need to know是learn的宾语从句。“他们需要”是逻辑上的主谓关系,故C中的被动语态是错误的。这里的what相当于sth. that。由此可知B正确。
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