题目

根据短文的内容,从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余选项。 Children start out as natural scientists, eager to look into the world around them. You only have to share your children’s curiosity.    16  Listen to  their question. I once visited a classroom of seven-year-olds to talk about science as a job. The children asked me textbook   questions about schooling, salary and whether I liked my job.   17    Finally I said, Now that we're finished with your lists, do you have questions of your own about science? A(15分) 上图中A~J均为有机化合物,根据图中的信息,回答下列问题: (1)环状化合物A的相对分子质量为82,其中含碳87.80%,含氢12.20%。B的一氯代物仅有一种,B的结构简式为; (2)M是B的一种同分异构体,M能使溴的四氯化碳溶液褪色,分子中所有的碳原子共平面,则M的结构简式为; (3)由A生成D的反应类型是,由D生成E的反应类型是; (4)G的分子式为C6H10O4,0.146gG需用20mL0.100mol/LNaOH溶液完全中和,J是一种高分子化合物。则由G转化为J的化学方程式为; (5)分子中含有两个碳碳双键,且两个双键之间有一个碳碳单键的烯烃与单烯烃可发生如下反应 则由E和A反应生成F的化学方程式为; (6)H中含有的官能团是,I中含有的官能团是。
英语 试题推荐