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1、Unit 1 book 4l.Once I stop, it all comes crowding in and I remember the chimps in laboratories. 解析：once引導(dǎo)條件狀語(yǔ)從句，意為“一旦”。 e.g.: 一旦學(xué)會(huì)了利用失敗，那么失敗就能為你的生活作出積極的貢 獻(xiàn)。 Failure can make a positive contribution to your life once you learn to make use of it. 2. Only after her mother came to help her for the f

2、irst few months was she allowed to begin her project. 解析：“only+狀語(yǔ)”位于句首，后面主句用部分倒裝。 Eg:只有相互理解和相互學(xué)習(xí)，我們才能共同度過(guò)這些幸福的日子。 Only by understanding and learning each other can we spend these days together happily. 3. Suddenly it hit me how difficult it was for a woman to get medical training at that time. 解

3、析：“Ithits/hitsb. +從句”表示“某人突然想起”。 It occurs to sb.that...（某人）突然想到It strikes sb.that...（某人）突然想到 It happens that...碰巧Eg:我突然想起，我把她的生日忘了。 It hit me all of a sudden that I had forgotten her birthday. 我突然意識(shí)到?jīng)]有比健康更重要的東西了。 It hit me that nothing is more important than health. Unit 2 book 4Dr Yuan Longp

4、ing grows what is called super hybrid rice. 解析：what is called..."所謂的 ", what引導(dǎo)賓語(yǔ)從句。 1. Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land and, even more dangerous, to people's health. 解析：have/ has been doing現(xiàn)在完成進(jìn)行時(shí)。 2. If so, what

5、did you do to grow them? 解析：遷so意為“如果是這樣的話”，是if引導(dǎo)的條件狀語(yǔ)從句的省略 形式。 if ever如果有過(guò)/發(fā)生過(guò)的話if any如果有的話 if possible如果有可能if necessary如果有必要 3. He would much rather keep time for his hobbies. 解析：would rather (not) do sth."寧愿(不)做 "。 eg:他寧愿給學(xué)生上課也不愿被邀請(qǐng)參加乏味的會(huì)議。 He would rather give lectures to the students than

6、be invited to boring conferences. Unit 3 book 4As Victor Hugo once said, "Laughter is the sun that drives winter from the human fhce”，and up to now nobody has been able to do this better than Charlie Chaplin. 解析:as引導(dǎo)非限制性定語(yǔ)從句時(shí)，有“正如”之意，常放于主語(yǔ)之前， 有時(shí)也可放在主語(yǔ)之后或主語(yǔ)之中。 e.g.:正如我們多次強(qiáng)調(diào)的那樣，“為人民服務(wù)"是我們的第一宗旨。 As

7、we have stressed many times, “serve the people" is our first policy. 1. Unfortunately his father died, leaving the family even worse off, so Charlie spent his childhood looking after his sick mother and his brother. 解析：leaving the family even worse off為現(xiàn)在分詞短語(yǔ)作結(jié)果狀語(yǔ)。 Tips:現(xiàn)在分詞作結(jié)果狀語(yǔ)常表示意料、情理之中的結(jié)果，而不定式

8、作結(jié)果狀語(yǔ)常表示出乎意料的結(jié)果。 eg:大自然為我們的祖國(guó)提供了豐富的自然寶藏，使之成為我們幸 福的家園。 Nature has provided our country with wealthy natural treasures, making it a happy home for us. 他們上氣不接下氣地趕到公司，不料被告知他們被開(kāi)除了。 They reached the company out of breath only to be told they were fired. 2. By his teens, Charlie had, through his humou

9、r, become one of the most popular child actors in England. 在十多歲的時(shí)候，憑借著自己的幽默，查理已經(jīng)在英國(guó)成為最受歡迎 的童星之一。 解析：by表示“到......為止”，句子常用過(guò)去或?qū)?lái)完成時(shí)態(tài)。 4. Then he picks out the lace of the shoe and eats it as if it were spaghetti. 解析：as if引導(dǎo)的狀語(yǔ)從句，若從句表達(dá)非客觀事實(shí)或很不可能實(shí)現(xiàn) 的事情，從句要用虛擬語(yǔ)氣。 eg: He talks as if he knew everything

10、. Unit 4 book 4The first person to arrive was Tony Garcia from Colombia, closely followed by Julia Smith from Britain. 解析：to arrive是不定式做后置定語(yǔ)。當(dāng)中心詞是序數(shù)詞或被序數(shù)詞 限定時(shí)，常用不定式作后置定語(yǔ)。 1. Not all cultures greet each other the same way, nor are they comfortable in the same way with touching or distance between

11、people. 解析：nor位于句首，引&部分倒裝。 2. However, people from places like Spain, Italy or South American countries approach others closely and are more likely to touch them. 解析：be likely to do sth.有可能做某事°It，s likely that... = Sb.be likely to do...做某事是可能的E.g.: You are likely to suffer from bad health if you k

12、eep smoking. =It is likely that you will suffer from bad health if you keep smoking. 3. Making a fist and shaking it almost always means that someone is angry and threatening another person. 解析：V, — ing作主語(yǔ)e.g.:眾所周知，早起早睡是個(gè)好習(xí)慣。 As we all know, going to bed early and getting up early is a good habit

13、. Unit 5 book 4Whichever and whatever you like, there is a theme park for you! 解析：whichever and whatever you like 是讓步狀語(yǔ)從句。wherever= no matter where,whenever=no matter when,however=no matter how 弓 I 導(dǎo)讓步狀語(yǔ)從句；whatever, whichever, who(m)ever既可引導(dǎo)讓步狀 語(yǔ)從句，又可引導(dǎo)名詞性從句。 1. Futuroscope is not only for individ

14、uals, but is also the perfect mix of fun and learning for class outings. 解析：not only...but also... “不但 而且 ”相當(dāng)于 not just...but also...o若連接兩個(gè)句子，且not only位于句首時(shí)，not only后面的句 子要用部分倒裝。 eg:我相信這些捐贈(zèng)的書(shū)，不僅使你熟悉中國(guó)而且有助于你提高漢語(yǔ)。 I believe these donated books will not only make you more familiar with China but als

15、o help improve your Chinese. 通過(guò)這樣做，我不僅與他人分享好的想法，而且學(xué)習(xí)清楚地表達(dá)自我。 By doing so, not only can I share good ideas with others but also learn to express myself clearly. 3 ? Some parks are famous for having the biggest or longest roller coasters， others for showing the famous sights and sounds of a culture.

16、 解析：some...others...有些有些It will bring you into a magical world and make your dreams come true, whether you are travelling through space，visiting a pirate ship or meeting your favourite fairy tale or Disney cartoon character. 構(gòu)牟析：whether...or...無(wú)論還是e.g.:無(wú)論我們是今天去還是明天去，他都?xì)g迎。 Whether we go today or tomorrow he will welcome us.