内容正文:
Unit 5 Working the Land
Welcome Unit
话题
农业
词汇
shortage, tackle, reality, convince, assumption, attain, overcome, intense, generate, essential
短语
devote. . . to, be comprised of, deep down, in turn, for instance, turn to, keep. . . from. . ., expand into. . ., through intense effort, far from
句型
1. 主语从句
2. 介词+关系代词
3. 动词不定式作目的状语
4. given that 考虑到
语法
主语从句
写作
如何写表达观点的文章
1. convince vt. 使相信; 使确信; 说服
【教材原句】
Yuan was convinced that the answer could be found in the creation of hybrid rice. (P50)
袁隆平坚信, 可以在杂交水稻的培育中找到答案。
【知识拓展】
convince sb. of sth. 使某人相信某事
convince sb. to do sth. 说服某人做某事
convince sb. that. . . 使某人相信……
【基础演练】单句语法填空
①She was more than ever convinced ____________ her wisdom in not exposing herself to the English climate.
②It took many hours ____________(convince) me of his guilt.
③By ____________ (convince) me that no good could come of staying, he persuaded me to leave.
④I’m ____________(convince) that she is telling the truth.
2. assumption n. [C] 假定; 设定; (责任的)承担; (权利的)获得
【教材原句】
The common assumption then was that it could not be done. (P50)当时人们普遍认为这是不可能做到的。
【知识拓展】
make assumptions/an assumption about. . . 对……做假设
on the assumption that. . . 假定……, 假设……
【基础演练】完成句子
①The theory is based on ____________.
这一理论是以一系列错误的设想为依据的。
②Don’t rely on the information she gave you; it is ____________.
不要相信她告诉你的消息, 那完全是臆测。
③The theory is bottomed on ____________.
这一理论是建立在靠不住的假设基础上的。
④I made a mistake and I will ____________.
我错了, 我愿为此承担责任。
3. attain vt. (通常经过努力)获得; 得到
【教材原句】
One characteristic of hybrids is that they usually attain a higher yield than conventional crops. (P50)
杂交作物的一个特点是它们的产量通常比常规作物高。
【知识拓展】attain, reach, achieve, arrive均有“达到”之意。
(1)attain侧重指在抱负或雄心的激励下, 以最大的努力去达到一般所不及或不敢追求的目的。
(2)reach常用词, 指到达某一空间、时间、目标或发展过程中的某一点。
(3)achieve侧重为达到目的所需的技巧、忍耐和努力。
(4)arrive指得出结论, 达成某项协议或做出某一决定等。该词是不及物动词, 后面通常接介词at。
【基础演练】完成句子
①I’m determined to ____________.
我决心不惜任何代价达到目的。
②The country ____________ in 1972.
这个国家在1972年获得了独立