(
课件网) WORKING THE LAND reduce keep free from/of comment content 导（5mins） nutrition mineral soil in/out of focus discover focus on discovery skim root underline summarize summary focus one’s attention/mind/efforts...on/upon n.营养；滋养；食物 n.矿物；矿石 n.土壤 v.发现 n.发现；发觉 n.根；根源 v.总结 集中某人的注意力/心思/精力在…上 焦点对准的/焦点没对准的 集中（注意力、精力等）于 vt.浏览；略读 vt.画底线标出；强调 n.总结；摘要；概要 思（8mins） Translate sentence meaning, judge and summarize word part of speech, meaning and usage.翻译句子意思,判断总结单词词性、词义及用法。 议（7mins） Have a discussion with group members，Find out the correct answer to the thinking part. 各组讨论完成思部分填空 【拓展】 (1)reduce vt.减少；缩减 reduce...by... （ ） reduce...to... ( ) be reduced to 陷入某种境地 ①She reduced her weight by five kilograms. ( ) ②They reduced the expenses to 60 percent. ( ) ③She was reduced to begging for a living.( ) 她把体重减轻了5公斤 展+评（20mins） 把...减少了... 把...减少到... 1.reduce Vt.减少；减缩 他们将开支压缩到60% 她被迫沦落至乞讨为生 1.reduce Vt.减少；减缩 E.g. We need to reduce our dependence on oil as a source of energy. 【拓展】 (2)reduction n. 减少；缩小；折扣 Topping the list is the reduction in productivity（生产率） for each of us. 展+评（20mins） be free from/of 不受...伤害/影响 for free/free of charge免费 free sb./sth. from/of sth.解除，去除 free sb. to do sth.使某人腾出时间做某事 ①They like living in a viliage, free from/of crowds and noises. ( ) ②These exercise help free the body of tension . ( ) ③People like the freedom of driving around by themselves.( ) 展+评（20mins） 他们喜欢住在村子里，远离人群和喧闹。 这些锻炼有助于身体放松。 人们喜欢自己开车到处走的自由 2. keep...free from/of 使...免受（影响、伤害等）；使...不含（有害物） e.g. We should keep this village free of pollution. 2. keep...free from/of 使...免受（影响、伤害等）；使...不含（有害物） 【链接】 freely adv.自由地 freedom n.自由 展+评（20mins） 3. comment n.评论；议论 vt.&vi.表达意见；作出评论 make comments on/about.( ) No comment!无可奉告 comment on/upon sth.( ) ①Her strange behavior caused a good deal of comment. ②He commented that it was an excellent film. 展+评（20mins） 对...发表评论 她的反常行为引起了不少议论。 对...加以评论 他评论这部电影很精彩。 3. comment n.评论；议论 vt.&vi.表达意见；作出评论 ③Many countries made comments on/about the trade war between America and other countries. ④He doesn’t want to comment on others in need. 展+评（20mins） 他不想评价其他需要帮助的人。 许多国家对美国与其他国家的贸易战争发表了评论。 检（5mins） ①The UK promises to reduce its carbon emissions(排放)_____ 80 percent by 2050, part of which will be achieved by all new homes being zero-carbon by 2016. ②Nitrogen（氮）dissolved（溶解）in his blood is suddenly liberated by the _____ (reduce) of pressure. ③A restaurant in Spain uses a Foodini to “re-create forms and pieces” of food that are “ ... ...
