题目

—Who is your favorite teacher? —Miss Wu. She is my Chinese teacher. I like her very much. A. very    B. great     C. lots of    D. a lot 答案:D对下列物质在氧气中燃烧的实验现象描述正确的是(  ) A、木炭在氧气中燃烧时,有二氧化碳生成B、硫在氧气中燃烧时,火焰呈蓝紫色,生成无气味的气体C、红磷在氧气中燃烧时,产生大量白雾D、铁丝在氧气中燃烧时,火星四射,生成黑色固体
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