as...as和more...than等比较结构中,as/than可做连词引导比较状从
She makes as much (money) as I do.(她赚的钱和我一样多)
The medicine is more effective than is exoected.
1. senior to; junior to“比...年长地位高/年少级别低”
2. anterior/prior to; posterior to“在...之前（后）”
3. prefer to
4. superior to; inferior to“比...优越/差”
1. like; unlike
2. in contrast
3. in comparison with/copare with"与...相比"
【compare to“把...比作...”】
表示完全、极限的形容词不用比较结构：
absolute/correct/complete/excellent/empty/false/
maximum/perfect/unique/wrong
A is 倍数+the size/length/width of B "A是B的几倍大小/长/宽"
A is 倍数 as+adj./adv.原级 +as B “A是B的几倍”
The Yangtze River is almost 3 times the length of(=3 times as long as
=twice longer than) the Pearl River.
