人教版（新课程标准）Unit2 Working the land词汇Part3课件 (15张ppt)

(共15张PPT)
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 “exactly the same”, freeing cooks ________ (complete) other tasks.
to
from/of completing
reduction
检（5mins）
④For many older people, particularly those living alone or in the country, driving is important for preserving their independence, giving them the _________ (free) to get out.
⑤The most pleasant thing of the rainy season is that one can be entirely free ___________ dust.
⑥”People have been approaching him in the street; he’s had job offers and all sorts,” Mr. Anderson __________ (comment) .
⑦My10-year-old noticed him and made a comment _________ how bad it must be to have to stand outside in cold.
freedom
on
commented
from/of
检（5mins）
⑧Finally, my thanks go to my tutor, who has offered a lot of suggestions and _____ (comment) on my paper and polished every page of my draft.
comments
Thank you!!!