1、话题语汇狂背Unit 21._ n.质量2._ v.种植3._ n.庄稼4._ n.产量5._ adj.自然的6._ n.饥饿qualitygrowcropoutputnaturalhunger相关单词7._ v.摆脱8._ n.职业9._ n.生产10._ n.发现11._ v.集中12._ v.减少ridoccupationproductiondiscoveryfocusreduce13._ adj.美味的14._ n.根15._ n.营养16._ adj.营养价值高的tastyrootnutritionnutritious1._ 由于；因为2._ 农业先锋3._使摆脱4._ 食物供应5.
2、_ 被认为是6._宁愿做thanks toagricultural pioneerridoffood supplybe regarded as/be considered aswould rather do相关短语7._ 集中注意力于8._希望9._使免受(伤害)10._ 耕作方法11._ 另外12._ 富含focus onwith the hope ofkeep.free from/offarming methodin additionbe rich in13._导致14._有作用15._是的两倍16._每隔几年17._寻找一种方法18._ 使成为可能lead tomake a differ
3、encetwice as much asevery few yearssearch for a waymake it possible to do1.随着社会的发展，人们越来越注重健康，因此，他们总是选择被认为是健康的食物。With the development of the society，people care more about their health，so they always choose food which is considered to be healthy.相关句子2.化学物质停留在农作物内很长一段时间，能够致病，甚至导致癌症。The chemicals stay
4、inside the crops for a long time，which can lead to illnesses，even cancers.3.有机种植的食物营养可口。Food grown organically is tasty and nutritious.4.农业科学家们尝试寻求一种不增加土地面积而增收稻谷的途径。Agricultural scientists try to search for a way to increase rice harvests without expanding the area of the fields.5.粮食产量的增加意味着中国仅仅7的耕地
5、养活了世界上22的人口。The increased harvests mean that 22 of the worlds people are fed from just 7 of the farmland in China.6.使用杂交水稻种子，农民们种出的粮食比以前多了倍。Using hybrid rice，farmers are producing harvests twice as large as before.7.化肥在杀死病菌和害虫的同时也会杀死有益的细菌和昆虫，从而破坏了土地。Chemical fertilizers damage the land by killing th
6、e helpful bacteria and pests as well as the harmful ones.8.这些不同的有机耕作方法有着同样的目标：种植好的粮食、避免污染环境或损害人们的健康。These many different organic farming methods have the same goal：to grow good food and avoid damaging the environment or peoples health.汉语大意：我在澳大利亚游览期间，那儿的农业留给了我很深的印象。首先，澳大利亚的农业化使用了很多现代技术。例如，他们用电脑控制现代的
7、农业机器。而且，他们用卫星管理农务。其次，澳大利亚的农民很干净，他们很注重外表。尽管他们要在田地里干活，但当有客人来时他们就换干净的衣服。我想，关于农业现代化，中国可以多学学澳大利亚，我希望不久我们国家的农业就会和澳大利亚在一个水平线上。语篇模板 While I was travelling in Australia,the agriculture there impressed me a lot.Firstly,agriculture in Australia uses lots of modern technologies.For example,they use computer to
8、control the modern agricultural machines.Furthermore,they use satellites to manage the farm work.Secondly,the farmers in Australia are very tidy.They look after their appearance(looks)carefully.Though they need to work hard in the field,while they have visitors they wear clean clothes.I think China can learn a lot from Australia about agriculture modernization.I hope agriculture in our country can be at the same level as Australia soon.