The author says that he is a naturalist rather than a scien

The author says that he is a naturalist rather than a scientist probably becaus

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The method is__________success and the students have made __

The method is__________success and the students have made __________progress.

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When you talk to your boss or to your friends, you use diff

When you talk to your boss or to your friends, you use different words. We coul

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When the British singer got a bleeding throat, the rumor __

When the British singer got a bleeding throat, the rumor _________she would nev

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材料: 教师在“人的性别遗传”教学设计中,教学目标确定如下: 知识与技能: (1)说明人的性别差异是由性染色体决定的,了

材料: 教师在“人的性别遗传”教学设计中,教学目标确定如下: 知识与技能: (1)说明人的性别差异是由性染色体决定的,了解人的性别与基因的关系: (2

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