Unit 5 Section Ⅲ Using Language(Word教参)-【精讲精练】2024-2025学年高中英语选择性必修第一册（人教版2019）

Section Ⅲ　Using Language Choose the best answers according to the text. 1．Why did many farmers welcome the introduction of chemical farming? A．They can fight crop disease and increase production. B．They harm both the land and people's health. C．They can help produce rich soil. D．They are not expensive. 2．What concerns many people about the use of pesticides? A．Pesticides can damage the land. B．Chemicals can stay in the soil for a long time. C．Pesticides can kill harmful bacteria and insects. D．Chemicals may make people ill and even cause cancer. 3．Why do organic farmers change the kind of crop grown in each field every few years? A．It helps put important minerals back into the ground. B．It can avoid damage to the environment. C．It can help increase output. D．The writer didn't tell us. 4．Why can't we stop the use of man­made chemicals in agriculture entirely? A．Organic farming cost us a lot of money. B．Organic farming can meet people's need. C．Chemical farming brought us huge profit. D．Chemical farming helps serve the need for food. 答案　1～4　ADAD [核心词汇·练透] in turn 相应地；转而；依次；轮流 [经典佳句]　Exchanging opinions helps friends better understand one another，which in turn strengthens ties between friends. 交流观点有助于朋友更好地理解对方，这反过来又增强了朋友间的联系。 (1)by turns　　 　轮流；交替地 take turns to do sth 轮流做某事 It is one's turn to do sth. 轮到某人做某事。 (2)turn down 调低；拒绝 turn out 结果是 [即时训练] 单句语法填空/完成句子 ①The audience reacted warmly and excitedly as each of the women spoke in turn. ②When my mother was ill，my brothers took turns to take(take) care of her. ③轮到我做演讲了。结果我鼓舞人心的演讲吸引了所有的师生，这使我欣喜若狂。 It was my turn to deliver a speech.It turned out that my inspiring speech appealed to all the students and teachers，which made me wild with joy. essential adj. 完全必要的；极其重要的 [经典佳句]　Good health is essential to everyone，without which one can hardly live a happy life. 健康对每一个人都很重要，没有健康就无法过上幸福的生活。 be essential to/for对……很重要 It is essential that...(should) do... 做……是完全必要的。 It is essential for sb to do... 对某人来说做……是完全必要的。 [即时训练]　 完成句子 ①此外，对你来说利用时间学习是完全必要的。 Additionally，it's essential for you to take advantage of time to study. ②孩子们从小就学会明辨是非是很重要的。 It is essential that children should learn how to distinguish right from wrong from a young age. alternative n．可供选择的事物 adj.可供替代的；非传统的 [经典佳句]　I feel we can have electric bikes as an alternative means of transportation. 我认为我们可以用电动车作为一种替代的交通方式。 (1)have no alternative but to do sth ＝have no choice but to do sth ＝have no option but to do sth 别无选择只好做某事 an alternative to (doing) sth (做)某事/某物的替代品 (2) alternatively adv. 可供选择地 [即时训练]　单句语法填空/完成句子 ①The Internet also provides us with a cheap alternative to communicating(communicate) with others. ②意识到爸爸买一辆新卡车有困难，我别无选择只能交出我挣的所有钱。(2021·浙江6月卷，读后续写) Realizing that my father had difficulty buying a new truck，I had no alternative but to give in all the money I had made. depth n．向下(或向里)的距离；深(度) [经典佳句]　She had resumed the travel to add depth and colour to her novels. 她重新开始旅行以给她的小说增加深度和趣味。 (1)in depth 　完全地，深入地 (2)deep adj. 深的 deeply adv. 深深地 deepen vt. 深化 ①long，length，lengthen；②wide，width, widen；③high，height, heighten。 [即时训练]　 单句语法填空 ①We have expressed the depth(deep) of our gratitude to them. ②It is not only your enthusiasm but also your teamwork and good spirits that impress us deeply(deep). ③College students can gain social experience and broaden(broad) their horizons because of doing part­time jobs. [重点句型·通关] 教材原句：For example，pesticides can damage the land by killing not only harmful bacteria and insects，but also helpful ones. 例如，农药不仅可以杀死有害的细菌和昆虫，也会杀死有益的细菌和昆虫，从而破坏土地。 [句式分析]　not only...but (also)...不仅……而且……。 (1)“not only...but (also)...”意为“不仅……而且……”，其中also可以省略。 (2)“not only...but (also)...”连接的两个并列成分作主语时，谓语动词的数遵循“就近原则”。 [即时训练]　完成句子/句式升级 ①北京不仅是我国的政治中心，而且是我国的经济中心。 Beijing is not only the political center but also the economic center of our country．(2021·天津卷3月) ②Ocean not only offers us plenty of food，but also it maintains the balance of nature.(2022·全国甲卷，书面表达) →Not only does ocean offer us plenty of food，but also it maintains the balance of nature.(倒装) 教材原句：Why different crops are grown is because they put important minerals back into the ground，making it ready for the next batch of crops． 种植不同作物是因为它们把重要的矿物质释放回土壤，使其为下一批作物生长作好准备。 [句式分析]　动词­ing(短语)作结果状语，表示一种自然而然的结果。 (1)动词­ing(短语)作结果状语，表示自然而然的、意料之中的结果； (2)动词不定式(短语)作结果状语，表示偶然的、意料之外的结果，且前面常有only修饰。 [即时训练]　 单句语法填空/完成句子 ①I have been busy making preparations for the final exam，leaving(leave) me not much time to communicate with my family or hang out with my friends. ②Jane left alone with extreme anger，only to find (find) that she was lost in the unfamiliar forest.(读后续写之愤怒心理描写) ③我们正在利用各种在线课程进行深度学习，从而更容易地提高自己。 We are taking advantage of various online programs for further study，making it easier to improve ourselves． Ⅰ.教材语块必备 1．find a suitable solution 找到一个合适的解决方案 2．keep people and the environment as healthy as possible 保持人们和环境尽可能地健康 3．be rich in nutrition 富有营养 4．keep their soil rich and free of disease 保持土壤肥沃和免受病害 5．switch to organic farming 转向有机耕作 6．put down deep roots 扎根很深 7．as for chemical fertilisers 至于化肥 8．underground water sources 地下水源 9．harm both the land and people's health 损害土地和人们的健康 10．chemical pesticides and artificial fertilisers 化学农药和人工肥料 Ⅱ.单词拼写/完成句子 1．As is reported，organic (有机的) farming is expanding everywhere. 2．To my amazement，his opinion is similar to mine in many aspects (方面). 3．The meat is nice，but it is hard to digest (消化) for such a little baby. 4．Just as the saying goes，“Nothing is to be got without pains but poverty (贫穷).” 5．更多的高速公路被建设完成，这使人们到中国各地旅行更加方便。 More highways have been built，making it more convenient for people to travel around China． 6．我们必须更好地利用可替代能源，比如太阳能和风能。 We should make better use of alternative energy，such as solar and wind power. 学科网（北京）股份有限公司 $$