1、课文精讲Unit 5Unit 51. Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life. 介词 “to + whom”引导的非限制性定语从句，修饰先行词farmers。这里to被提到了关系代词前面。事实上，他苗条但强壮的身躯就像他毕生为之奉献的数百万中国农民一样。 2. What concerned him most was that farmers often had poor harvests and somet
2、imes even had a serious shortage of food to eat.主语从句。what在此处的意思是“的事”that引导的表语从句。最让他担心的是，农民经常歉收，有时甚至严重缺乏食物。 shortage n. a situation in which there is not enough of something that people need 短缺，不足，缺乏e.g. Theres a shortage of food and shelter in the refugee camps.3. The common assumption then was that
3、 it could not be done. 当时的普遍假设是这是做不到的。 assume v. to think that something is true, although you do not have definite proof 假定，设想表语从句。that在在句中没有意义，只起连接作用，不可省略。4. Through intense effort, Yuan overcame enormous technical difficulties to develop the first hybrid rice that could be used for farming in 197
4、4. 定语从句。先行词是hybrid rice，that在定语从句中作主语。5. Today, it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains, 据估算，现在中国国内消费的大米大约有百分之六十来自袁隆平的杂交水稻，他的杂交水稻品种让中国农民每年能够生产出大约两亿吨大米。it是形式主语，后面的that从句是真正的主语。过去分词短语作定语，可转换成定语从句。6. Given tha
5、t Yuans hybirds have made him quite wealthy, one might think he would retire to a life of leisure. However, this is far from the case. 考虑到杂交水稻使袁隆平变得相当富有，人们可能认为他会退休享受闲适的生活。然而，事实远非如此。 1) given prep. 只要是；考虑到；假定；已知 given + that 从句 考虑到，鉴于，引导条件状语从句。如： Given his age, he is very strong and healthy.Given tha
6、t the students need more exercise, the head teacher has decided to add more PE classes. 2) far from the case 远非如此，也可以说far from being the case far from sth. 远远不；绝非e.g. His work is far from (being) satisfactory.他的工作一点也不令人满意。7. Deep down, Yuan is still very much a farmer at heart.事实上，袁隆平在内心深处依然是一个农民。 d
7、eep down 实际上；在心底e.g. He tried to behave as an adult, but deep down he was still a child. very much 非常；确实是，在文中表示程度，起强调作用e.g. Kindness is very much a part of her character. Learning English is very much a step-by-step process.8. Now that both of my grandparents have retired from their jobs in the city
8、,how they are going to spend their retirement is an important decision for them.既然我的祖父母都已经从城市的工作中退休了,那么他们将如何度过退休生活对他们来说是一个重要的决定。【句式剖析】本句是一个复合句。how.是主句,其中how they are going to spend their retirement是主语从句,now that意为“由于;既然”,引导的是原因状语从句,that可以省略。Now that you have a good command of English,you can apply f
9、or the job. 既然你英语很好,你可以申请这个工作。Now that I have nothing to do,I can enjoy music for a little while.既然我无事可做,我可以享受一会儿音乐了。9.Therefore,there is still a long way to find a suitable solution that puts sufficient food on the dinner table while keeping people and the environment as healthy as possible.因此,要找到一
10、个合适的解决方案还有很长的路要走,该方案可以在餐桌上提供足够的食物,同时又要尽可能保持人和环境的健康。【句式剖析】本句是一个复合句。there is still a long way.是主句,that puts.是定语从句,while keeping是省略句。as.as possible尽可能。Please respond to me as quickly as possible. 请尽快给我回信。He desired that his book be read by as many people as possible.他希望有尽可能多的人读他的书。10.In fact,some pesti
11、cides like DDT have been prohibited in most countries because of the damage they cause to people and the environment.事实上,在大多数国家,像滴滴涕这样的杀虫剂已经被禁止,因为它们对人和环境造成了损害。【句式剖析】because of因为,是介词短语,常用作原因状语,后面跟名词或代词作宾语。My brother didnt pass the driving test exam because of his laziness.由于我弟弟的懒惰,他没有通过这次驾驶考试。The sports meeting has been put off because of the bad weather.由于天气不好,运动会被推迟了。谢谢观看
