1、牛津译林版英语7B-Unit5-Amazing-things知识归纳与拓展精品文档7B Unit5 Amazing things知识归纳与拓展【词汇解析】1. amazingamazing用作形容词,表示“令人吃惊的,惊人的”,amazing常用来修饰事或物;amazed也是形容词,意为“(某人)感到神奇的,吃惊的”,常用于修饰人。如:This world is full of amazing things.这个世界充满了令人惊奇的东西。I was amazed at the amazing football match.我对那场令人惊奇的足球赛感到惊讶。【拓展】interesting有趣的,
2、interested感兴趣的;surprising令人惊讶的,surprised感到惊讶的;exciting令人激动的,excited感到激动的。2. search search是动词,意思是“搜寻,搜查”,常用结构有:search + 某地,意为“搜查某地”;search +人,意为“搜某人的身”; search for sb./sth.意为“寻找某人或某物”;search + 某地+for sb./sth.意为“搜查某地寻找某人或某物”。如: The police searched every room in the building. 警察搜查了楼里的每个房间。 The policema
3、n is searching the thief. 警察正在搜那个小偷的身。 He is searching for his dog in the park. 他正在公园里找他的狗。 I searched everywhere for my new pen. 我到处寻找我的新钢笔。 【辨析】search, find,look for search强调动作的过程,侧重指“(仔细)搜查,搜寻,搜索”;find强调动作的结果,侧重指“找到,发现”;look for强调动作的过程,侧重指“找,寻找”。3. smell smell用作及物动词,意为“闻,嗅”;smell用作连系动词,意为“闻起来”,后面
4、加形容词作表语;smell还可用作名词,意为“气味、臭味、嗅觉”等。如:As soon as we opened the front door, we could smell the gas.我们一打开前门,就闻到了煤气的味道。The fish smells good.这鱼闻起来真香。A dog has a good sense of smell.狗的嗅觉很好。4. reply reply常用作不及物动词,意为“回答,答复”,常与介词to构成短语reply to,意为“回答,答复”,相当于answer。如: You should reply to his letter at once. =Yo
5、u should answer his letter at once. 你应该立刻给他回信。 He seldom replies to the emails his friends send him. 他很少回复他朋友给他发的电子邮件。5. surprised surprised是形容词。意为“吃惊的,惊讶的”,常用来修饰人,指人的感受。固定短语有:be surprised at意为“对感到惊讶”; be surprised to do sth.意为“对做某事感到惊讶”。如: Are you surprised at his words? 你对他的话感到惊讶吗? I am surprised
6、to know the end of the film. 知道电影的这个结局,我很惊讶。 【拓展】surprising是形容词,意为“令人惊讶的”,一般是物作主语,强调事物所具有的特征。surprise用作名词,意为“惊奇”,常构成短语:in surprise意为“惊奇地”;to ones surprise意为“令某人惊讶的是”;surprise还可用作动词,意为“使惊讶”。6. leave leave作动词,意为“离开,出发”。常见的固定短语:leave sp.意为“离开某地”;leave for sp.意为“动身去某地”;leave A for B意为“离开A地去B地”。leave作动词,
7、还可表示“使处于某种状态;忘记”。如:His father leaves home at 6:00 every morning.他爸爸每天早上六点钟离开家。My brother is leaving Suzhou for Shanghai tomorrow.我哥哥明天要离开苏州去上海。Dont leave the water running when you brush your teeth .你刷牙的时候,不要让水一直流着。Tom left his English book at home yesterday.汤姆昨天把英语书忘在家里了。7. samesame作形容词。意为“相同的,一样的”
8、,前面要加定冠词the,一起在句中作表语或定语等。常构成短语:look the same意为“看起来一样”;at the same time意为“同时”;the same as意为“与相同”。如:All of us must say the same words.我们所有人都必须说同样的话。I dont want to buy the same clothes as yours.我不想买和你一样的衣服。The twin brothers look the same.这对双胞胎兄弟看起来一样。【拓展】Same的反义词是different,常构成短语be different from意为“与不同”
9、。【短语归纳】1. hear of听说2. all over the world遍及全世界3. come on加油;拜托4. stop for meals停下来吃饭5. at least至少6. sleep with ones eyes open睁着眼睡觉7. from birth从出生起8. in the back of elephants feet在大象的脚背上9. as usual向往常一样10. turn around转过身11. on ones way home在某人回家的路上12. the other day前几天13. say to oneself自言自语14. pick up抱
10、起;拾起15. live on the earth生活在地球上16. smell things well嗅觉灵敏17. keep our house clean使我们的房子保持干净18. hear of a young man听说一个年轻人19. the day before yesterday前天20. at the same time同时【语法点拨】一般过去时() 一般过去时表示过去某个时间发生的动作或状态,常和表示过去的时间状语如:yesterday, last night, in 1990, two days ago等连用。如: He was a teacher five years
11、ago. 五年前他是个老师。 It took me two hours to do my homework last night. 昨天晚上我花了两个小时做作业。一、一般过去时的构成 一般过去时由规则动词后加-ed/d或不规则动词的过去式表示,除be动词外,其余动词没有人称或数的变化。如: I got up at 6:00 a.m. yesterday. 昨天早上我六点钟起床。 He always went to work by bike last year. 去年他总是骑自行车去上班。二、动词过去式的变化 动词过去式的构成有规则变化和不规则变化两种情况。1.规则变化 大多数动词直接在词尾加-
12、ed。如:want wanted,talk talked等。 如果动词以不发音的e结尾,则在词尾加-d。如:live lived, hope hoped等。 如果动词以“辅音字母 + y”结尾,则将y变为i再加-ed;如果动词以“元音字母+ y”结尾,则直接在词尾加-ed。如:study studied,play played等。 如果动词以“一个元音字母+一个辅音字母”结尾,且重音在最后一个音节,则双写词尾辅音字母,再加-ed。如:stop stopped,plan planned,chat chatted等。2.不规则变化 不规则动词的过去式可以按其变化情况加以分类,以提高记忆效率。无需变化型。如:cost cost,cut cut,put put,let let等。元音变化型。如:getgot,drivedrove,givegave,knowknew等。辅音变化型。如:make made, send sent,spend spent等元音、辅音皆变型。如:buy bought, keep kept,teach taught等。一些特殊变化。如:is/am was, are were,have had等。收集于网络,如有侵权请联系管理员删除