必修 4 Unit 2 Working the land 要 点 梳 理 高效梳理·知识备考●重点单词1．struggle vt. & vi.斗争；拼搏；努力2．output n．产量；输出3．hunger n．饥饿；欲望→hungry adj.饥饿的；有欲望的4．expand vt. & vi.使变大；伸展；阐述→expansion n．扩大；增加5．circulate vt. & vi.循环；流传→circulation n．循环流通6．battle n．战役；战斗；较量；斗争 vt. & vi.搏斗；奋斗7．therefore adv.因此；所以；因而8．equip vt. & vi.配备；装备→equipment n．设备(不可数)9．export vt. & vi.输出；出口→import vt. & vi.输入；入口；进口10．nationality n．国籍→nation n．国家；民族→national adj.国家的；国有的11．occupation n．工作；职业；占领→occupy vt.占领12．confuse vt.使迷惑；使为难→confusing adj.令人迷惑的→confused adj.感到迷惑的→confusion n．迷惑13．regret vt.遗憾；惋惜 n．遗憾；懊悔→regretful adj.后悔的14．chemical adj.化学的；关于化学的→chemistry n．化学→chemist n．化学家；药剂师15．bacteria n．(bacterium 的复数形式)细菌16．reduce vt.减少；缩减；简化→reduction n．缩小；减少17．summary n．总结；摘要；概要→summarize vt.总结18．comment n．评论；议论 vi. & vt.表达意见；作出评论●重点短语1．thanks to 幸亏；由于2．rid...of 摆脱；除去3．be satisfied with 对……感到满意4．would rather 宁愿；宁可5．build up 逐渐增强；建立；开发6．lead to 导致；造成7．focus on 集中(注意力、精力等)于8．keep...free from/of 使……免受(影响、伤害等)； 使……不含(有害物)9．make a difference 造成差异，很重要10．keep in mind 牢记在心11．cause damage to 对……造成危害12．in addition 再者，还有13．turn to 转向●重点句型1．Dr. Yuan Longping grows what is called super hybrid rice.袁隆平博士种植的是被称为“超级杂交水稻”的稻种。2．This special strain of rice makes it possible to produce one－third more of the crop in the same fields.这种特别的稻种使得同样的田地多收获 1/3 的产量。3．Using his hybrid rices, farmers are producing harvests twice as large as before.用他的杂交水稻种子，农民...
