必修四 unit2 language points(详细,含课文中文翻译整篇)

1、Language Points，1 .If_so，what did you do to grow them？If not，what kind of plant would you like to try growing？种的话，怎么种的？如果你没种过，你会种什么植物？尝试经典you may have some difficulties at first。if so，please ring us。开始可能有点困难。那么请给我们打电话。Is everybody feeling cold？If not，let us open the windows。大家都冷吗？不冷的话，打开窗户吧。自我探索if s

2、o“如果”，则“so”在if之后使用，而不是表示肯定意义的文章，构成简略条件语句，即省略条件子句。If not是傅晶缩写，意思是“否则”，not代替表示否定意义的文章。刘涛扩展(1)如果if any存在，则if ever if possible如果可能，需要if necessary，则(2)if、when、while、unless、though、once等引导的副词子句的主语和注，im afraid there is very little food left，if any。我想还没有多少剩菜。She rarely、if ever、goes to bebefore midnight。她午夜前几

3、乎没睡。Call me tonight if possible。如果可能的话，今晚给我打电话。学习如何记住简略文章的短文真的很容易。答对两个就行了。子句谓词有be，两个句子有相同的主语，子句有it be就毫不犹豫地保存。牛刀小试完成文章(1)明天要早起。如果不早起，你就赶不上第一班公共汽车了。Get up early tomorrow。_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _，you will miss the first bus，if not，(2)当时他可能不在家。不在家的话，请给他留个便条。He may not be at home then。_ _

4、 _ _ _ _ _ _ _ _ _ _ _ _ _，leave him a note。如果可能的话，明天来吧。Comtomorrow _ _ _ _ _ _ _ _ _ _ _ _ _ _。if so、if possible、(4)在这种情况下，必须返回并导入。_ _ _ _ _ _ _ _ _ _ _ _ _ _，you must go back and get it。(5)必要时购买电视机。ill buy a TV set _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _。if so、if neceary、2。more than 800 million

5、people go to bed hungry every day。每天有超过8亿人饿着肚子睡觉。hungry在句子中用形容词作为伴随副词来说明人物的状态。the old goat fell down to the ground dead .那只老山羊倒在地上死了。she was lying in bed awake all the night .她躺在床上熬了一夜。用副词引导形容词(短语)扩展的语法功能。(1)可以用附随语放在句子的开头或句尾。(2)作为原因副词，通常位于句子的开头。(3)把两个平行形容词短语连接成or的让步副词。可以位于文章的开头或文章。(4)作为时间副词。The thie

6、f hid himself in the corner，afraid of being caught。小偷躲在角落里，怕被抓住。Cold and hungry，he stopped working and went home。他又冷又饿，放下工作回家了。Every nation、big or small、should be equal。所有国家无论大小，都必须始终平等。Rip，these grapes are sweet。when these grapes are Ripe，they are sweet。这些葡萄熟的时候很甜。长途旅行后，他们三个人回家了，又累又饿。After the long

7、 journey，the three of them went back home，_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ home、hungry and tired、3。indeed、his sunburnt face and arms and his slim、Strong body are just like those of millions of Chinese farmers、for whom he struggled for事实上，他和其他数百万中国农民一样，在过去的50年里，他一直在努力帮助他们，包括晒黑的脸、胳膊和他瘦削结实的身体。经典

8、的She struggled to keep back the tears。她努力忍住眼泪。They struggled for freedom。自己struggle vi。vt .努力；努力。展开斗争斗争。Struggle to do sth。努力工作struggle with/against.战斗struggle for.为而战；Struggle with sb。和某人并肩作战，struggle to ones feet为自由而战。Struggle，fight，I struggled for a living。我为了生活挣扎。firemen had been fighting the fo

9、rest fire for three days。消防队员们与山火搏斗了三天。用适当的介词填空(1)Despite his terrible injuries，He woulden give up the struggle _ _ _ _ _ _ _ _ _ life(2)web all struggle _ _ _ _ _ _ _ _ _ the pollution of the environment。(3)The lion made a suddenangry noise and struggled _ _ _ _ _ _ _ its feet。for、against、to、4。this

10、 special strain of rice makes _ it _ possible _ to produce onethird more of the crop in the same fields .这种特殊的稻种使同一块田多收了三分之一的产量。the fine weather makes it possible for us to go for an outing next week。好天气使我们下周的旅行成为可能。he found it not easy to learn a foreign language well。他发现学好外语不容易。We think it no good

11、 reading in bed。我们认为躺在床上看书不好。they find it difficult that they should finish the work on time。他们发现按时完成工作很困难。I like it when she sings a song for me。我喜欢她为我唱歌。it is easier to lose friends than to make friends。失去朋友比交朋友容易。她是外国人，在那个国家找工作很困难。the fact that she was foreign _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

12、_ _ _ _ _ _ _ _ _ _为什么此人可能会发生此事故_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _dr yuan searched for a way to increase rice harvests without expanding the area of the fields .袁博士应该在不增加土地面积的情况下，摸索增产水稻的方法。Expand vt .六。使变大；使变大。伸展he is thinking of expanding his business . 2 . the eagle ex

13、panded its wings . 3 . metals expand when they are heated .正在考虑扩大他的事业。老鹰的翅膀。金属受热会膨胀。以适当的形式填写容易的混合分析expand、extend、expand、Extend(2)my garden _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _(3)metals _ _ _ _ _ _ _ _ _ _ _ _ by heat。(4)the railway will _ _ _ _ _ _ _ _ _ next year。(5)A balloon _ _ _ _

14、 _ _ _ _ _ _ _ as it is filled with air。extends、expand、be extended、expands、6。dr Yan is now circulating his knowledge in India，by etnam and many others less developed countries to increase their rice harvests。目前袁博士正在印度、越南及其他一些不发达国家普及知识，以增加大米生产。Circulate vt。六。传播；传播。周期循环circulation n.C，u循环；循环blood circ

15、ulates through the body。the coins were taken out of circulation。血液循环全身。这枚硬币停止流通了。体育锻炼可以加速血液循环。physical exercise increases _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _thanks _ to his research，the un has more tools in the battle to rid the world of hunger。他的研究使联合国在消除世界饥饿的战斗中多了几个方法。(1)thanks to幸运的是，

16、Thanks to his help使we finished our work on time。在他的帮助下，我们按时完成了工作。She recovered，thanks to the doctor。due to，owing to，because of，thanks to，(1)在你的帮助下，我们成功了。_your help，we were successful。因为暴雨，上星期天我们没有去郊游。web did nt have a picnic last Sunday _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _消除；消除。删除ge

17、t/be rid of；移除Rid.消除of；经典的they are trying to rid the house of mice。he was finally able to rid himself of all worries。他们试图消灭房子里的老鼠，他终于把自己从所有的忧虑中解放出来了。Remind sb.of sth .通知某人。inform sb.of sth .通知某人。rob sb.of sth .强度accuse sb.of.cure sb.of.纠正某人，改掉恶习。用火剑完成句子(4)，我们必须除掉他。Well have to _ _ _ _ _ _ _ _ _ _ _

18、_ _ _ him。我不太感冒。I cant _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ a cold。get rid of、rid myself of、8。using his hybrid rice，farmers are producing harvests twistance _ as _ large _ as before。用他的杂交水稻种子，农民们种的粮食比以前多两倍。Twice as large as.两倍大的there were twice as many people as we had expected。这是我们预计的两倍。You are just half as I think you are。你只有我想的一半自信。thi