Units 3-4 知识点+语法+练习2023-2024学年沪教牛津版英语九年级上册

中考一轮复习 8A Unit 3 &4 Text review The first computers in the 1940s ___________ Computers nowadays becoming ___________ Example There is probably a _____________ inside your TV or washing machine. Conclusion （结论） You __________________ more than you realize. smaller and better tiny computer depend on computers Smaller and better bigger than cars U3 Computer facts We can use computers to ①________ Advantages （优点） ②_______________________________ Examples 1)___________ 2)__________ and spaceship calculate ______________ than we can almost never give wrong answers type and draw things ③ ________________ fly planes operate railways What can we do with computers? calculate at a faster speed do important jobs Is a computer cleverer than me? Answer _______ (Yes/ No) Reason Our brain can ______________ but computers cannot. The future of computers They may be able to ______________________ Problem we may face We may have ___________ produce new ideas No nothing to do do a better job than human beings Unit 4 思维导图 Grammar review Unit 3 Grammar 形容词的比较级和最高级 英语中的形容词常用三种形式来表达事物的等级差别，分别是原级、比较级和最高级。大部分形容词的比较级和最高级是通过词尾变化来实现的，这些属于规则变化，但也有少数是不规则的。 考点一：形容词的规则变化 构成 原级→比较级→最高级 1.单音节词一般在词尾加-er -est long→longer→longest 2.以不发音的e结尾时，在词尾加-r、-st nice→nicer→ nicest 3.以“辅音字母+y”结尾的词,变y为i,再加-er,-est happy → happier→happiest 构成 原级→比较级→最高级 4.末尾只有一个 辅音字母结尾的重读闭音节词， 双写这一辅音字母再加-er,-est(“辅元辅”结构) big → bigger → biggest 5.多音节和部分双音节词，在原级前加more、 most interesting → more interesting→ most interesting 6.少数以-er、-le为词尾的形容词有两种变化方 式 clever→cleverer/ more clever→ cleverest /most clever 原级 比较级 最高级 good/well(身体健康的) better best bad worse worst many/ much more most little less least far farther farthest old older(较老的) oldest elder(较为年长的) eldest 形容词的不规则变化 句型 例句 Who is _______(tall), Tom or John? Tom is the _____(tall) of the two. = Tom is taller than the other boy. A computer is much ________________(expensive) than a bicycle. The _____(much) you study, the more you know. The c