Unit12 Lesson 1 Grammar课件-高二英语北师大版选择性必修第四册

1、GrammarI really dont know what I want to do when I leave school. My dad is a computer engineer working on the improvement of the 1. _ of the Navys 2. _. I would like to follow in his footsteps, but then Id have to sit in front of a computer all day. My mum is a 3. _, but it seems to me that all she

2、does is looking at bacteria through aComplete the passage with the correct form of the words below.accuracy missile orbit missile enable launchaccuracy scientificmicroscopeinventorbiologistGrammarbiologistaccuracymissiles4. _. All that stuff about 5. _ findings that save peoples lives is pretty inte

3、resting, but I think I might be more interested in studying medicine. But then again, my uncle is a scientist and he is always talking about 6. _ satellites into 7. _. I find this very exciting. I know what I want to be! I could be an 8. _! Complete the passage with the correct form of the words bel

4、ow.accuracy missile orbit missile enable launchaccuracy scientificmicroscopeinventorbiologistGrammarmicroscope scientificlaunchingorbit inventorI could come up with hundreds of inventions that will 9. _ people to live better lives. But . I dont think theres a university course for inventors. Maybe I

5、 should just find out what I really like first.Complete the passage with the correct form of the words below.accuracy missile orbit missile enable launchaccuracy scientificmicroscopeinventorbiologistGrammar enable英译汉：Grammar1. Amazing discoveries were made in medicine, communications and transport,

6、not to mention our knowledge of the world and space.医学、通信和交通方面都有惊人的发现，更别提我们对世界和太空的认识了。2. Medical advances ranged from discovering the causes of diseases under microscopes to staging operations to replace diseased organs with donated ones.医学上的进步范围很广，从利用显微镜揭示病因，施行手术，到用捐赠的器官做器官移植。Grammar英译汉：3. We start

7、ed flying around the world, launching satellites into orbit and, at the same time, scientists figured out how to split the atom, previously thought to be the smallest particle of matter in the universe.我们开始坐飞机周游世界，把人造卫星发射至轨道。同时，科学家们发现了如何分裂原子，在此之前，原子被认为是宇宙中最小的物质微粒。Grammar英译汉：4. Although it is impossi

8、ble to choose the most important discovery, it is possible to single out a few pioneers of the 20th century. 英译汉：虽然不太可能选出哪项发现是最重要的，但是挑选出 20 世纪的几位先驱还是有可能的。Grammar5. Human life on planet has been transformed into a good village, with all the different linked in the chain of common interests.不同国家因共同利益而

9、连接起来，使得这个星球上人类的生活已经转变为“地球村”。Grammar英译汉：后缀例子名词+ysunsunny; windwindy加后缀-ablecomfort-comfortable;advise-advisable加后缀-alnation-national; nature-natural加后缀-enwood-wooden; gold-golden1.1 本身即为形容词的词：red, glad, nice1.2 加后缀组成的形容词Grammar：形容词的构成后缀例子加后缀-entdiffer-different; insist-insistent加后缀-ishfool-foolish; s

10、elf-selfish加后缀-iveexpense-expensive; act-active加后缀-fulpower-powerful; peace-peaceful加后缀-ousdanger-dangerous; fame-famous名词+lyfriend-friendly; month-monthlyGrammar：形容词的构成1.3 复合形容词的构成组成例子 副词 + 现在分词hard-working 副词 + 过去分词well-educated 名词 + 过去分词man-made 名词 + 现在分词peace-loving 名词 + 形容词world-famous 数词 + 名词f

11、ive-starGrammar：形容词的构成组成例子 数词 + 名词-edthree-legged 数词 + 名词 + 形容词five-year-old 形容词 + 过去分词ready-made 形容词 + 名词-edkind-hearted 形容词 + 现在分词easy-going 形容词 + 形容词dark-blue 其他形式face-to-face; over-allGrammar：形容词的构成1.4 分词形容词 现在分词构成的形容词修饰事物，常译为“令人的”过去分词构成的形容词修饰人，常译为“感到的”annoying, boring, exciting, frightening, di

12、sappointing, discouraging, embarrassingannoyed, bored, excited, frightened, disappointed, discouraged, embarrassedGrammar：形容词的构成“名词 + 分词”构成的形容词，究竟是用 -ing 形式还是用 -ed 形式的分词，要看复合词与被修饰词的关系，如 peace-loving people。限定词12冠词的限定词（放在冠词前）冠词 / 指示代词 / 所有格 / 不定代词等both, suchthe, a(n), your, Toms, this, that, these, t

13、hose, another, some, any当多个形容词同时出现作定语时，一般按照各形容词与被修饰词之间的紧密程度排列，其排列顺序如下： Grammar：形容词的位置数量词34序数词基数词first, second, third, fourth, fifthone, two, three, fourfiveGrammar：形容词的位置形容词567891011性质状态大小 /长短 /形状新旧 / 温度颜色国籍材料用途 / 类别kindfinegoodsicklargesmalllongshortroundoldnewcoolhotredbluewhitegreenChineseEnglish

14、JapaneseAmericaironstonesilkchemicalmedicalGrammar：形容词的位置巧记顺口溜：限定描绘大长高，形状年龄和新老，颜色国籍跟材料，作用类别往后靠。构成原级比较级最高级一般加-er和-eststrongstrongerstrongest以字母 e 结尾只加-r，-stlatelaterlatest以一个辅音字母结尾的重读闭音节，双写这一辅音字母后再加-er，-estgladhotthingladderhotterthinnergladdesthottestthinnest3.1 规则变化 Grammar：形容词的比较级和最高级构成原级比较级最高级以“辅

15、音字母+y”结尾的词，将y变为i，再加-er，-estangrymerryuglyearlyangriermerrieruglierearlierangriestmerriestugliestearliest其他双音节词和多音节词，在词前加more或mostenthusiasticmore enthusiasticmost enthusiasticGrammar：形容词的比较级和最高级构成原级比较级最高级以“元音字母+y”结尾的词，直接加 -er，-estgraygrayergrayest有少数几个双音节以及以-er以及-le结尾的词，有两种形式common cleversimplecommo

16、ner / more common;cleverer / more clever;simpler / more simplecommonest / most common;cleverest / most clever;simplest / most simpleGrammar：形容词的比较级和最高级构成原级比较级最高级“劣等”比较，在 adj 原型前加 less / leastkindusefulless kindless usefulleast kindleast useful复合式形容词比较等级well-knownbetter-knownbest-knownGrammar：形容词的比较级

17、和最高级3.2 不规则变化 Grammar：形容词的比较级和最高级原级比较级最高级good / wellbetterbestbad / illworseworstlittlelessleastmuch / manymoremostGrammar：形容词的比较级和最高级原级比较级最高级farfarther / furtherfarthest / furthestoldolder / elderoldest / eldestlatelaterlatest older, oldest 指时间、年龄、年代的长短，既可指人，又可指物。 elder, eldest 指家庭成员的长幼顺序。- farther, farthest 表示距离的远 further, furthest 表示程度含形容词比较级的习语more or less 或多或少sooner or later 迟早much less / still less 更不必说more than once / often 不止一次once more / once again 再一遍more than 超过；非常；不仅仅The work is more or less finished.More than one person was k