一、注意比较级中的同类比较在比较级中作比较的对象必须是同一类别，非同类的事物不能进行比较 如： 误：My cake is bigger than you． 正：My cake is bigger fhan yours(your cake)． 一般说来，相比较的事物为了避免重复than后面的比较对象，常用that或those来代替。复数名词多用those代替，不可数名词和单数名词用that代替，如： First, pay attention to the comparison of the same class in the comparison class. The objects to be compared in the comparison class must be the same class. Things that are not the same class cannot be compared. For example: False: My cake is bigger than you.正:My cake is bigger fhan yours(your cake). In general, compared to things in order to avoid repeated after than the comparison object, often use that or than instead. Plural nouns are often replaced with minus, and uncountable nouns and singular nouns are replaced by that, such as: