句型辨析06-2025-2026学年高中英语选修二句型辨析（人教版）

高中选择性必修第二册人教版 【句型精讲】 倍数结构辨析 核心句型 倍数+as+adj.+as.结构精讲 高中英语·人教版选择性必修第二册 句型辨析精讲 辨析一倍数+as+adj.+as.vs倍数+the+n.+of. 维度 倍数+as+adj.+as. 倍数+the+n.+of. 核心结构 倍数+as+形容词原级+as倍数+the+名词（如 +比较对象 size/length/width)+of+ 比较对象 适用场景侧重描述形容词特征的倍数侧重描述具体名词（如尺寸、 关系 数量、长度等)的倍数关系 例句对比 This room is twice as large as that one.(强调'大”的特征，形容词large) This room is twice the size of that one.(强调'尺寸”的具体数值，名词size) 真题链接（人教版高中选择性必修第二册期末真题） The new stadium is three times the old one. A.as big as B.the height of C.bigger than 答案：A解析：选项C为”倍数+比较级+than'结构，题干中缺少than,排除；选项B中height 表示”高度”，题干未明确是高度的比较，而'three times as big as”为固定结构，强调整体大小，选 A。 高中选择性必修第二册人教版 【句型精讲】 倍数结构辨析 辨析二倍数+as+adj.+as..vs倍数+adj.比较级+han. 维度 倍数+as+adj.+as… 倍数+adj.比较级+than 语法结构形容词用原级，需加as.as结 形容词用比较级，需加than引 构 出比较对象 倍数含义表示”A是B的X倍”（包含 表示”A比B多X倍”（不包 B的基数) 含B的基数，即A=B+X×B) 例句对比 The tree is four times as tall as the boy..(树高是男孩身高的4倍) The tree is three times taller than the boy.(树高比男孩身高多3倍，即树高是男孩身高的4倍) 真题链接（人教版高中选择性必修第二册同步练习） The population of this city is that of our town A.twice as large as B.twice larger as C.twice larger than 答案：A解析：”倍数+as+adj.+as”为正确结构，B选项中larger后接as错误：C选项表示” 比…多两倍”，而题干仅表示”是…的两倍”，A符合题意。 辨析三倍数+as+adj.+as.…vs倍数+as+adj.+a/an+n.+as. 维度 倍数+as+adj.+as… 倍数+as+adj.+a/an+n.+ as... 修饰对象 直接修饰形容词，后接比较对 修饰’形容词+名词”结构， 象 需用不定冠词a/an连接名词 句式特点 比较对象多为名词或代词 比较对象为同类名词，需保 持”形容词+名词”的结构平 行 例句对比 This book is as interesting as that one.(直接用形容词interesting比较) This is as interesting a book as that one.(修饰'interesting a book'”结构) 真题链接（人教版高中选择性必修第二册月考真题） 2 高中选择性必修第二册人教版 【句型精讲】 倍数结构辨析 Your bag is mine.Where did you buy it? A.three times as expensive as B.three times as an expensive bag as C.three times expensive as 答案：A解析：B选项中"as an expensive bag as”结构错误，不定冠词应置于形容词后，即'as expensive a bag as'”;C选项缺少第二个as,正确结构为A选项”three times as expensive as'”。 综合训练 1.The red pen is twice the blue one. A.as long as B.the length of C.longer than 2.This river is that small lake. A.three times as deep as B.three times deeper as C.three times deeper than 3.My new phone is my old one. A.twice as expensive B.twice as an expensive phone as C.twice as expensive as 1.The big box is three times the small box.as...as...) 2.This street is four times_ that lane.the+n.of) 3.The elephant is five times the horse.(高as.as.) 1.The tree is two times taller than the house.(用as.as.改写) 3 高中选择性必修第二册人教版 【句型精讲】 倍数结构辨析 2.This room is three times the size of that one.(用as.as.改写) 3.The bag is four times heavier than the book.(用as.as.改写) I一、单项选择 1.A2.A3.C L.二、完成句子 1.as heavy as 2.the width of 3.as tall as IIL三、句型转换 1.The tree is three times as tall as the house. 2.This room is three times as large as that one. 3.The bag is five times as heavy as the book. 4