2020-2021学年 高中英语人教版必修四unit2重点长难句解析

Unit 2 Working the land 1.Have you ever grown any plants?If so,what did you do to grow them?If not,what kind of plant would you like to try growing?(Page 9) 你种过植物吗?如果种过,你做了些什么来种植它们?如果没种过,你想尝试种哪种植物呢? 剖析本句中的If so和If not是缩略条件句。so是对前句内容的肯定,意为“如此”。本句的If so相当于If you have ever grown some plants。而If not是对前句内容的否定 2.Indeed,his sunburnt face and arms and his slim,strong body are just like those of millions of Chinese farmers,for whom he has struggled for the past five decades.(Page 10) 的确,他那被太阳晒得黝黑的脸庞和手臂,以及他那瘦削而又结实的身体,就跟其他千百万的中国农民一样,过去50年来,他一直在努力帮助他们。 剖析本句是一个复合句,其中for whom引导的是一个定语从句。 ★struggle vi.& n.斗争;拼搏;努力 3.Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields.(Page 10) 袁隆平要在不增加土地面积的基础上寻求增加水稻产量的途径。 剖析本句中的动词不定式to increase rice harvests...作定语修饰名词a way。way后往往用不定式作定语 ★expand vt.&vi.使变大;伸展 expand,extend,spread与stretch用法辨析 5.Thanks to his research,the UN has more tools in the battle to rid the world of hunger.(Page 10) 多亏了他的研究,联合国在消除世界饥饿的战斗中又多了些方法。 ★thanks to 幸亏;由于;因为 ★rid...of 使……摆脱或除去 6.Yuan Longping is quite satisfied with his life.(Page 10) 袁隆平很满意他的生活。 ★be satisfied with 对……感到满意 7.He would much rather keep time for his hobbies.(Page 10) 他宁愿把时间花在自己的业余爱好上。 ★would rather 宁愿;宁可 8.He therefore gives millions of yuan to equip others for their research in agriculture.(Page 10) 于是,他拿出几百万元帮助其他人进行农业科学研究。 ★therefore adv.因此;所以;因而 ★equip vt.&vi.装备;配备 9.It is important to explain this again or we will confuse the students.(Page 13) 再把这一点解释一下非常重要,否则我们会使学生感到困惑。 ★confuse vt.使迷惑;使为难 10.Many of these chemicals can lead to cancer or other illnesses.(Page 14) 许多化学成分能导致癌症或其他疾病。 ★lead to 导致;造成(后果) 11.They focus on keeping their soil rich and free of disease.(Page 14) 他们主要是保持土壤肥沃且免受病害。 ★focus on 集中(注意力、精力等)于 12.A healthy soil reduces disease and helps crops grow strong and healthy.(Page 14) 优质的土壤会减少病虫害并且帮助农作物茁壮成长。 ★reduce vt.减少;减缩 13.This also keeps the air,soil,water and crops free from chemicals.(Page 14) 同时还可以让空气、土壤、水以及农作物不受化学物质的污染。 ★keep...free f