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初三Unit 2 重難點(diǎn)解析

發(fā)布時(shí)間:2016-2-19 編輯:互聯(lián)網(wǎng) 手機版

作者:嚴建英

  1. [原文]Have you ever watched someone surf? (L. 6)surf是動(dòng)詞,在這里怎么用原形?

  [精析] surf是省去to 的動(dòng)詞不定式,在這里作感官動(dòng)詞watch的賓語(yǔ)補足語(yǔ)。類(lèi)似用法還有,感官動(dòng)詞look at, see, listen to, hear, 使役動(dòng)詞let, have,make等,后都可以接省去to的不定式作賓補。

  2. [原文] Now it is enjoyed by people all over the world. (L. 6) is enjoyed是什么謂語(yǔ)形式?all over是什么用法?

  [精析]is enjoyed是被動(dòng)語(yǔ)態(tài)形式。當主語(yǔ)為動(dòng)作的承受者時(shí),謂語(yǔ)要用被動(dòng)語(yǔ)態(tài)形式,即be + 過(guò)去分詞形式。這部分內容在今后還要學(xué)到。

  all over是“全部、渾身、在各地”的意思,可單獨使用,也可在其后接相應的詞語(yǔ)。例如:

  People all over the world love peace.全世界的人民都熱愛(ài)和平。

  He is wet all over.他全身都濕了。

  all over the world 也可以用all the world, the whole world 來(lái)表示,但一定要注意冠詞的位置。用all 時(shí),冠詞放在all之后,用whole時(shí),冠詞放在whole之前。

  3. [原文] Every year...attract large numbers of tourists to the islands. (L. 6) large numbers of與a large number of 有區別嗎?

  [精析]沒(méi)有。這兩個(gè)短語(yǔ)都表示“許多”的意思,可以互換。如:Large numbers of / A large number of people came to the meeting from all over the country. 許多來(lái)自全國各地的人參加了會(huì )議。但是a number of / numbers of 與the number of是有區別的。作主語(yǔ)時(shí),前者后接復數名詞,謂語(yǔ)用復數形式;后者意思是“為……的總數”,后接復數名詞,但謂語(yǔ)要用單數。試比較:

  A number of students are playing in the playground.許多學(xué)生在操場(chǎng)上玩。

  The number of students in the playground is about one hundred.操場(chǎng)上的學(xué)生(數量)大約有一百人。

  4. [原文] For example, Jake Booth, a 21-year-old man, gave up his job in San Francisco a year ago. (L. 6) 21-year-old中的year怎么不加s?

  [精析] 21-year-old是由數詞 + 名詞 + 形容詞構成的復合形容詞,其中year不可以用復數形式,詞與詞之間用連字號。試比較:

  He is a 15-year-old boy.他是一個(gè)15歲的男孩。

  The boy is 15 years old.這個(gè)男孩15歲。

  另外,句中g(shù)ive up意思是“放棄”,作及物動(dòng)詞,后可以接動(dòng)名詞;也可以接代詞,用賓格放于up之前。也可用作不及物動(dòng)詞。例如:

  You should give up smoking. I gave it up last year.你應該戒煙。我去年就戒掉了。

  She doesn't give up easily.她做任何事情都不會(huì )輕易放棄。

  5. [原文] Although I haven't got a very good job, surfing keeps me very fit.( L. 6) although與though用法相同嗎?

  [精析] 有共同之處,也有不同點(diǎn)。兩都可用來(lái)引導讓步狀語(yǔ)從句,表示漢語(yǔ)的“雖然……但是……”。但不能說(shuō)although /

高頻考點(diǎn)解讀(Unit 2)

作者:杜倩

【考點(diǎn)一】 No matter ____you come, you will always be welcome.

A. what B. how

C. when D. whether

[思路解析]本題譯為:“無(wú)論你什么時(shí)候來(lái),你都是受歡迎的。”應該用when。所以本題答案為C。

[知識拓展] No matter who (what, how, why, when, where, if, whether,how many,how much...)無(wú)論誰(shuí)(什么,怎么,為什么,什么時(shí)候,哪里,是否,多少……)在句中作讓步狀語(yǔ)。可放句首,也可放句末。如:

a) You can' t go in, no matter who you are. 不管你是誰(shuí),都不能進(jìn)去。

b) Don' t trust him, no matter what he says or does.不管他說(shuō)什么或做什么,你都不要相信他。

c) No matter where you go, we'1l always be together. 不管你去哪里,我都和你在一起。

d) Mary always got to school on time, no matter if she went without breakfast. 瑪麗不管是否吃了早飯,她都是準時(shí)趕到學(xué)校。

【考點(diǎn)二】 He has been to Beijing twice. (對劃線(xiàn)部分提問(wèn))

_________has he been to Beijing?

A. How long B. How often C. How soon D. How many times

[思路解析] 本句的意思是“他去過(guò)北京兩次”,對次數提問(wèn),疑問(wèn)詞應用how many times,故本題答案為D。

[知識拓展] 1) how often是對動(dòng)作發(fā)生的頻率進(jìn)行提問(wèn)。如:

-How often do you have to take the medicine?這藥需要多久服一次?

-Three times a day. 日服三次。

2) how long表示動(dòng)作持續的時(shí)間。如:

-How long have you studied here? 你在這兒學(xué)習多久了?

-I have studied here for nearly 3 years .我在這兒學(xué)習近3年了。

3) how soon表示再過(guò)多久,一般用將來(lái)時(shí)態(tài)。如:

-How soon will you go to Beijing? 你再過(guò)多久去北京?

-I'll go to Beijing in two weeks.再過(guò)兩周我就去北京了。

【考點(diǎn)三】 -Who jumps_________in your class?

-Li Ming. He cleared the 1.6 meter mark last week.

A. high B. highest C. the most highly D. tallest

[思路解析] high表示“高的,高地”,既可以作形容詞又可以作副詞。highly adv. 表示“高度地,極為贊許”等,在這里表示跳得高,要用 high,又根據in the class所以用最高級,選B。

[知識拓展] think highly of somebody 意思是“高度評價(jià)某人”,speak highly of somebody意思是“稱(chēng)贊某人”。tall主要用來(lái)表示形容人或物的高低。

【考點(diǎn)四】 It is dark, but they go on_________. They never usually work so late, though they worked late last night.

A. work B. to work C. worked D. working

[思路解析] go on doing sth.意為“繼續做某事”,go on to do sth.意為“接著(zhù)做另外一件事”。根據題意,本題答案為D。

[知識拓展] 1) go on doing sth.是“繼續做同一件事情,可能中間有間斷”。如:

I'll stop here. Please go on reading. 我就說(shuō)到這兒,請接著(zhù)讀吧。(老師在學(xué)生讀的過(guò)程中插話(huà))

2) “繼續做某事”還可以用go on with sth. 來(lái)表示。如:

Go on with your work. 繼續工作。

3) go on to do sth.通常表示“接著(zhù)做另一件事”。如:

Stop writing now and go on to read the next passage. 別寫(xiě)了,接著(zhù)讀下一段。

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