中考英语词语辨析（高频80组）及测试题+答案+ 解析
四十一、as...as...（和……一样……）与not as/so...as...（不如……）
【辨析要点】
1. 含义差异：① as...as...表“和……一样……”，用于肯定句，强调两者程度相同；② not as/so...as...表“不如……”，用于否定句，强调前者程度不及后者。
2. 结构要求：① as...as...中间必须接形容词或副词的原级，不能用比较级或最高级；② not as/so...as...中，第一个as可换成so，中间同样接原级。
3. 句式转换：not as/so...as...可与比较级转换，如“A is not as tall as B”等价于“B is taller than A”。
【例句】
① She is as tall as her sister.（她和她姐姐一样高。——肯定句，原级）
② He runs as fast as his brother.（他跑得和他哥哥一样快。——副词原级）
③ This book is not as interesting as that one.（这本书不如那本有趣。——否定句）
④ Tom is not so clever as Jim.（汤姆不如吉姆聪明。——so替换as）
测试题
1. Lucy is ______ beautiful ______ her mother. A. as; as B. so; as C. as; than D. so; than
2. This movie is not ______ exciting ______ the one we watched last week. A. as; than B. so; as C. as; so D. so; than
3. He studies ______ hard ______ his classmates. A. as; as B. so; as C. as; so D. so; than
4. The weather in Beijing is not ______ warm ______ that in Guangzhou. A. as; so B. so; as C. as; than D. so; than
5. She sings ______ well ______ a professional singer. A. as; as B. so; as C. as; than D. so; than
答案及解析
1. 答案：A 解析：句子是肯定句，表“和……一样……”用as...as...结构，中间接形容词原级beautiful；so...as...用于否定句，as...than和so...than搭配错误，故选A。
2. 答案：B 解析：句子是否定句，表“不如……”用not so/as...as...结构，so和as可互换，中间接形容词原级exciting；其他选项搭配错误，故选B。
3. 答案：A 解析：句子是肯定句，表“和……一样……”用as...as...结构，中间接副词原级hard；so...as...用于否定句，其他选项搭配错误，故选A。
4. 答案：B 解析：句子是否定句，表“不如……”用not so/as...as...结构，中间接形容词原级warm；其他选项搭配错误，故选B。
5. 答案：A 解析：句子是肯定句，表“和……一样……”用as...as...结构，中间接副词原级well；so...as...用于否定句，其他选项搭配错误，故选A。
