最近几年的高考题中机物同分异构体的考查频繁出现,虽然平时加强了针对性的训练,但学生在这些题上得分不高,原因很多,主要有这几方面:做题方法不科学而无法准确的找出、找全有机物的同分异构体,有的学生甚至是无从下手.现在笔者将做这类试题的方法归类,并举例加以说明。 In recent years, college entrance examination questions in the machine isomers frequently occur, although usually enhance the targeted training, but students score low on these questions for many reasons, mainly in these areas: the problem approach Unscientific and can not accurately find and find all organic isomers, and some students even without the start. Now the author will do this type of test methods, and an example to illustrate.