高中英语必修四第二单元 课后练习题答案

袁隆平那章的吧.你可以去百度的文库查找可是没有啊。那你是要课后p12~13的还是Unit2的Workbook都要啊。麻烦你了。p12:第一题：sunburnt,rid of,expend,circulate,would rather,struggle,export,be pleaced with,equip,crop,thanks to.第二题：statistics globe,supur nattonalit,disease,vietnam occupattion,freedon xeporled.第三题：decade,struggle,expanding,Equipped,output,grain.crops,battles,disturbing.p13:第四题：to see,learning,having,to experiment,trying out,to find out,to develop,of failing,owning,sending.Workbookp49第一题：circulated,focus export,commented regret,struggled confusing,equip.第二题：chemical,pests,bacteria,production,soil,discovering,chemicals,minerals,nutrition,roots,focus.第三题：1.Today's lesson focuses on how to write a summary of a news artide.2.We must skim the report to fing the main idea.3.Theteacher told us to underline tha difficult works and look them up in the dictionary.4.He said that details like statistics should not be included.5.I think I'mgoing to use a report about how farmers are keeping their fields free of chemical fertilizers.6.It took the farmer twenty years to build up his business.7.Using too much chemical fertilizer will lead to serious problems.p50第一题：Smoking,paying,getting,Learning,playing,Doing,Vsing,dareing,exchanging,supplying.第二题：todie,to make,fighting,to encourage,to manage,leave to,spend,working,ploughing,turning,to find,work.打得我手都酸了，希望能帮助到你。