您正在看的高中三年级是:Feed the world。

　　单元目标

　　1.能用正确的语音语调朗读课文.

　　2.掌握及正确使用用餐时的日常用语.

　　3.模仿课文第14课第二段的结构写一篇文章解释某件事为什么重要或不重要，使用first，second，third...等.

　　名词性从句

　　1.名词性从句的结构大体相同，各种从句所使用的关联词也大同小异.结构和意义完全相同的名词性从句处于句子的不同位置可充当不同的成分.例如：

　　When the sports meet will be held is still unknown.

　　运动会什么时候开还不知道.(主语从句)

　　I don’t know when the sports meet will be held.

　　我不知道运动会什么时候开.(宾语从句)

　　The question is when the sports meet will be held.

　　问题是运动会什么时候开.(表语从句)

　　Have you got any idea when the sports meet will be held?

　　你知道运动会什么时候开吗?(同位语从句)

　　2.同位语从句与定语从句的区别

　　定语从句的引导词指代先行词并在从句中充当成分;同位语从句的引导词一般不充当成分，如充当成分，不指代其前面的名词.例如：

　　The news that our school basket team had won the game excited us very much.

　　我们校篮球队获胜的消息使我们激动不已.(同位语从句)

　　The news that he told me excited me very much.

　　他告诉我的那个消息使我非常激动.(定语从句)

　　核心知识

　　1.Have you ordered yet?你点菜了吗?

　　order v.点菜，定购，命令(常带复合结构)

　　I ordered a hamburger，a salad and a glass of beer.

　　我点了一只汉堡包，一份色拉和一杯啤酒.

　　He has ordered some new books from England.

　　他向英格兰订购了几本新书.

　　The doctor ordered him to stay in bed.医生嘱咐他卧床休息.

　　2.Right now I could eat one ox.(= I’m so hungry now that I could eat a whole ox.)

　　现在我吃得下一头牛.

　　could表示一种虚拟语气，是一种与事实不相符的夸张说法.

　　eat one ox类似的短语还有eat a horse.

　　3.I’m looking forward to that.我一直期待那件事情.

　　look forward to期待(to eXPect，to feel pleasure in) to为介词，后接名词或动词-ing形式.

　　I’m looking forward to hearing from you.我一直在期待你的来信.

　　The children are looking forward to the holidays.孩子们在盼望假期.

　　4.All the same I expect you’ll enjoy coming into town now and again.( =Even though you will be quite a long way from your friend，I eXPect you’ll enjoy coming into town.)尽管如此，我还是盼望你常来城里.

　　1)all the same虽然……还是(even so)

　　You say the bridge is safe;I shall take care all the same.

　　虽然你说这桥很安全，但我还是要小心.

　　2)now and again有时，不时地(from time to time，at times)

　　I don’t think about my old home very much，only now and again.

　　我不是非常想老家，只是有时会想起.

　　5.It is thought a billion people，that is half the world’s workers，earn their living by farming.

　　据认为有十亿人，也就是全世界劳动人口的一半，是靠务农谋生的.

　　本句属于It + is/was + that从句.it是形式主语，真正的主语是that引导的从句.

　　例如：

　　It is thought that the food in this supermarket is cheap.

　　人们认为这个超市里的食品价格便宜.

　　It is reported in the papers that the President of the USA will arrive next Monday.

　　报纸报道美国总统将于下星期一抵达.

　　It is hoped that St Paul fire has taught us a lesson.

　　人们希望圣保罗大火给我们一个教训.

　　6.For one thing，two thirds of the earth’s surface is water，although this does provide a lot of food in the form of fish.

　　首先，地球表面三分之二是海洋，尽管海洋确实提供了大量可作食物的鱼类.

　　1)For one thing...( = One reason why it is difficult to feed the world’s population is that...)，意思是“首先”“理由之一”.例如：

　　The house was poorly built;for one thing ，the roof leaked.

　　房子造得很差，理由之一是屋顶漏雨.

　　I won’t buy the book.For one thing，I am not interested in it;for another，I have no money.

　　我不买这本书，一则是我对它不感兴趣，再则我没钱.

　　2)in the form of以……形式

　　I gave my advice in the form of a question.

　　我用提问的方式提出了建议.

　　Cars pollute the air in the form of waste gas.

　　汽车以排出废气的形式污染空气.

　　7.First，it is being built on.( = First，buildings are being built on the land：)

　　第一，在耕地上搞建筑.

　　要注意，在被动语态的句子里，介词很容易被忽视，在这里介词on不能少.例如：

　　The patient is being operated on.

　　病人正在手术.

　　The children are being taken good care of.

　　孩子们被很好地照料.

　　8.The FAO has worked out that up to 30% of food is lost in storage.

　　联合国粮食及农业组织估算出，高达30%的粮食在储藏中损失掉了.

　　1)work out估算，合计，解出

　　I have worked out my travelling eXPenses at 250 yuan.

　　我的旅费算下来是250元.

　　Who can work out this physics problem?

　　谁能解答这道物理题?

　　2)up to达到(某数量，规格等)

　　There are up to eight fire engine at the fire.

　　在失火处共有8辆救火车.

　　Up to 10 people can sleep in the room.

　　这房间最多能睡10个人.

　　9.Every year about 40 million people starve to death.

　　每年饿死的人大约有4，000万.

　　starve to death( = die because they do not have enough to eat)这是个习语

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