Do you think it is difficult? [ ]A. study English well B. studies English well C. studying English w

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• 进行探究实验时，同学们首先要明确提出实验的假设，其主要目的是()A．得出实验结论B．明确实验方向C．确定实验材料D．延长实验过程-七年级生物
• —Your spoken English is much better.—Thank you. My teacher often asks us _______English as ______as
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• 这些是小东在校园调查时记录的生物名称：①狗尾草②红蜘蛛③松树④蚯蚓⑤大红花⑥柳树⑦蚂蚁⑧蚊子⑨蜻蜓⑩蟋蟀．请你帮他将以上生物分类，并说明分类的依据．-七年级生物
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• They plan to go to the best place________ lunch.[ ]A. haveB. to haveC. havingD. had-八年级英语
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• 调查是科学探究的方法之一，下列关于调查的说法中，错误的是（）A．森林资源的清查属于调查B．调查范围太大可选取部分作为样本C．可根据个人喜好选择性记录D．调查结果要进行整理和-七年级生物
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• We must do everything we can waste water from running into rivers.[ ]A. keepB. keptC. to keep D. kee