（2021新人教版）高中英语选择性必修第一册unit5重点句式和语法讲解.docx

1、Unit 5WORKING THE LAND 重点句式 1.Indeed,his slim but strong body is just like that of millions of Chinese farmers,to whom he has devoted his life.确实,他瘦削但结实的身躯看起 来和他为之奉献了一生的千千万万的中国农民一样。 2.Yuan was convinced that the answer could be found in the creation of hybrid rice.袁确信,在杂交水稻的研制中可以找到答案。 3.One characte

2、ristic of hybrids is that they usually attain a higher yield than conventional crops.杂交水稻的一个特点是它们通常比传统作物 获得更高的产量。 4.Through intense effort,Yuan overcame enormous technical difficulties to develop the first hybrid rice that could be used for farming in 1974.通 过努力,袁隆平克服了巨大的技术困难,在 1974 年研制出第一种可用 于农业的杂交

3、水稻。 5.Through intense effort,Yuan overcame enormous technical difficulties to develop the first hybrid rice that could be used for farming in 1974.通 过努力,袁隆平克服了巨大的技术困难,在 1974 年研制出第一种可用 于农业的杂交水稻。 6.This hybrid enabled farmers to expand their output greatly.这种杂交水 稻使农民大大增加了产量。 7.Today,itisestimatedthata

4、bout60percentofdomesticrice consumption in China is comprised of crops generated from Yuans hybrid strains.据估算,现在中国国内消费的稻米有大约 60%来自袁隆 平的杂交水稻品种形成的作物 8.Yuan Longping,known as the “father of hybrid rice”,is one of China s most famous scientists.袁隆平,被称为杂交水稻之父,是中国最著名的 科学家之一。 9.Given that Yuans hybrids ha

5、ve made him quite wealthy,one might think he would retire to a life of leisure.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。 10.To deal with this crisis,he chose to study agriculture.为了应对危机,他 选择了学习农业。 11.Then businessmen decided to make use of it to grow green vegetables to meet increasing consumption deman

6、ds.两位商人决定利用它种植绿 色蔬菜,以满足日益增长的消费需求。 12.Now that both of my grandparents have retired from their jobs in the city,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。 13.When people present important facts,they usually give som

7、e evidence to support their claims.当人们提出重要事实时,他们通常提供一些证据 来支持他们的主张。 14.This affects the crops grown on the land and,in turn,the animals and humans who digest them.这影响到种在土地上的庄稼,进而影响动物和 消化这些作物的人。 15.They may look beautiful on the outside,but inside there is usually more water than essential minerals,an

8、d they often have less flavour as well.它们可能外表看起来很漂亮,但里面通常有更多的水,而不是必要 的矿物质,而且它们的味道通常也更差。 16.As an alternative,some farmers have switched to organic farming,and many customers have turned to organic food when they shop at the local grocery.作为一种选择,一些农民转向了有机农业,许多顾客在当地商 店购物时转向了有机食品。 17.For instance,they

9、may grow corn or wheat in a field one year,and then grow beans there the next. 18.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

10、又要尽可 能保持人和环境的健康。 18.In fact,some pesticides 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。 本单元语法 一、主语从句的引导词 注意: (1)that 引导主语从句时,一般不能省略。 That our team will win the game is clear. 明显我们队会赢得比赛。 (2

11、)从句作主语时,谓语动词一般用单数形式,但也有例外。 what 从句作主语时,谓语动词的数取决于其表达的含义。 What he told us is reasonable.他告诉我们的事情合情合理。 What I need are some English novels.我需要的是几本英文小说。 (3)当主语从句位于句首时,常用 whether 引导,而不用 if。 Whether he can get the same result is unknown. 他是否能得到相同的结果还不知道。 二、that 引导主语从句时可用 it 作形式主语的四大句式 1.It+be+形容词 (necessa

12、ry,right,likely,unlikely,wrong,important,certain,clear,obvious,stra nge,normal 等)+that 从句 It isnt likely that I should accept such an offer as that. 我不可能接受像那样的帮助。 2.It+be+ 名 词 ( 短 语 )(a pity,a shame,good news,a fact,an honour,a wonder,no wonder 等)+that 从句 Its no wonder that he didnt want to go.难怪他不想

13、去。 3.It+be+过去分词 (said,told,heard,reported,decided,suggested,advised,ordered,remembered, thought,considered,well-known,announced 等)+that 从句 It is decided that the meeting has been put off until next Monday. 会议被推迟到下周一已经定下来了。 注意: 在“It+be+suggested/advised/requested/required.+that 从句”结构中,从 句谓语应用“(should+)动词原形”。 It is suggested that you (should) spend more time in studying English. 建议你花更多的时间学习英语。 4.It+特殊动词或短语(seem,appear,happen,matter,turn out,occur to,make no difference 等)+that 从句 It suddenly occurred to her that Joe was afraid of being alone. 她突然想到乔害怕独自一个人待着。