A new technique (  ), the yields as a whole increased by 20

A new technique (  ), the yields as a whole increased by 20 per cent.A.wording o

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He tried to (  )relations with his former wife but he failed

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某测验用百分等级表示测验结果,其受测者的测验结果低于平均分的一个标准差。他在该组被试中的百分等级是(  )

某测验用百分等级表示测验结果,其受测者的测验结果低于平均分的一个标准差。他在该组被试中的百分等级是(  )A.10 B.16 C.34 D.50

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第一位用实验法研究人类高级心理现象的学者是:(  )

第一位用实验法研究人类高级心理现象的学者是:(  ) A.冯特 B.艾宾法斯 C.铁钦纳 D.巴甫洛夫

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