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.
Workbook
p49
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。
