幻灯片 1
必修四 Units 1~2
Unit2 Working the land
----
幻灯片 2----
幻灯片 3
Ⅰ.晨背5分钟
一、短语晨背
1．wish for希望得到；渴望
2．with the hope of怀有……的希望
3．free from没有……的，免除……的；不受……拘束的
4．insist on坚持做某事
5．search for寻找，检查，搜寻
----
幻灯片 4
6．be satisfied with对……感到满意
7．get exhausted耗尽
8．build up逐渐增强，建立
9．in addition除此之外，另外
10．turn to转向，求助于
11．focus on集中(注意力，精力)于……
----
幻灯片 5二、佳句选粹
1．If so，what did you do to grow them?
如果这样的话，你做了些什么来种植这些植物？
2．This special strain of rice makes it possible to produce onethird more of the crop in the same fields.
这种特殊的稻种使得同样的田地多收获三分之一的产量。
3．He would much rather keep time for his hobbies.
他宁愿把时间花在自己的爱好上。
----
幻灯片 6
Ⅱ.单词自查
1． n．统计；统计数字；统计资料
2． vt.& vi.斗争；拼搏；努力
3． n．十年；十年期
4． adj.特级的；超级的
5． vt.& vi.配备；装备
6． n．国籍
statistic
struggle
decade
super
equip
nationality
----
幻灯片 7
7． vt.遗憾；惋惜n.遗憾；懊悔
8． n．矿物；矿石
9． vt.减少；减缩
10． vt.画底线标出；强调
11． n．总结；摘要；概要
12． n．评论；议论vi.& vt.表达意见；作出评论
regret
mineral
reduce
underline
summary
comment
----
幻灯片 8
13． adj.晒黑的→ v．& n．晒黑，晒焦
14． adj.引起烦恼的；令人不安的→ v．扰乱，打扰
15． vt.& vi.使变大；伸展→ n．扩张，扩大；发展
16． vt.& vi.循环；流传→ n．循环
17． vt.& vi.输出；出口→ (反义词)进口
sunburnt
sunburn
disturbing
disturb
expand
expansion
circulation
circulate
export
import
----
幻灯片 9
18． n．工作；职业；占领→ vt.占领，占据
19． vt.使迷惑；使为难→ adj.令人迷惑的→ adj.感到迷惑的→ n．迷惑
occupation
occupy
confuse
confusing
confused
confusion
----
幻灯片 1020． n．细菌(复数)→ 细菌(单数)
21． n．营养；滋养；食物→ adj.有营养的
22． n．发现；发觉→ v．发现
23． n．产量；输出→ (反义词)输入
24． adj.满意的→ vt.满足，符合；对……感到满意→ n．满足，满意→ adj.令人满意的
confusion
bacterium
nutrition
nutritious
discovery
discover
output
input
satisfied
satisfy
satisfaction
satisfying
----
幻灯片 11----
幻灯片 12 struggle vt.& vi.斗争；奋斗；努力；挣扎
n．斗争；奋斗；挣扎；难事
①After a long struggle，she gained control of the business.
她经过长期努力，在业务上已能应付自如。
----
幻灯片 13
②He struggled with/against cancer for ten years but he never gave up.
他和癌症作斗争已经十年了可他从来没有放弃过。
③Despite his terrible injuries，he wouldn’t give up the struggle for life.
他尽管身负重伤，但仍然没有放弃求生的努力。
----
幻灯片 14
①struggle to do sth.努力做某事
②struggle with /against与……作斗争
③struggle for为……而斗争
④struggle through奋力通过
⑤struggle to one’s feet挣扎着站起来
⑥carry on a struggle进行斗争
⑦a lifeanddeath struggle你死我活的斗争
----
幻灯片 15----
幻灯片 16
完成句子
①我们应当帮助那些仍在为独立而斗争的人们。
We should help those who are still .
②他们得和各种各样的困难作斗争。
They had to .
struggling for independence
struggle with/against all kinds of difficulties
----
幻灯片 17 disturb vt.& vi.妨碍；打扰；扰乱；搞乱；使心神不宁
①The noise in the street disturbed my study.
街上的噪音干扰我学习。
②A light wind disturbed the smooth surface of the lake.
一阵微风使平静的湖面泛起波纹。
③She was disturbed to hear about her mother’s sudden illness.她获悉母亲得急病后感到心神不安。
----
幻灯片 18
①disturb sth.打扰了……
②sb.be disturbed to do干……使感到不安
----
幻灯片 19----
幻灯片 20
用disturb，interrupt的适当形式填空
①Don’t me while I’m working.
②Tell me whether I you.
interrupt
am disturbing
----
幻灯片 21 expand vi.扩大；增加；增强
vt.使变大；使增强
①In ten years the city’s population expanded by 12%.
十年之中该城人口增加了百分之十二。
②He is thinking of expanding his business.
他正考虑扩展他的生意。
③Metals expand when they are heated.金属遇热则膨胀。
----
幻灯片 22
①expand into 把……扩展(发展，膨胀)
②expand on 细说，阐述
----
幻灯片 23----
幻灯片 24
用expand，extend，spread或stretch的适当形式填空
①The hot weather to October.
②Water when it freezes.
③He his body full.
④The fire soon to the nearby building.
extended
expands
stretched
spread
----
幻灯片 25 equip vt.& vi.装备；配备；使有准备；使有资格
①The soldiers were equipped with the latest weapons.
士兵们配备着最新式的武器。
②They equipped themselves with a pair of sharp axes and set off for the forest.
他们带上两把锋利的斧子便朝森林走去。
----
幻灯片 26
③The health ministry has also claimed that the public health system is well equipped to handle any outbreak of some disease.
卫生部也发表声明说公共卫生系统设备精良以应对某种疾病的爆发。
----
幻灯片 27
①be fully(well)/poorly equipped装备良好/很差
②to be specially equipped装备独特
③be equipped with...＝equip...with...用……装备……
④equip sth.on...在……上装备某物
----
幻灯片 28
完成句子
①这位旅行家装备齐全。
The traveller .
②有良好的教育能受用终生。
A good education should you for life.
was well equipped
equip
----
幻灯片 29 satisfy vt.达到、满足(欲望、期待、条件等)；使……满意
①The girl satisfied her mother by cleaning up the kitchen.
那个女孩清洗厨房以使她母亲满意。
②He spends a large amount of money just to satisfy his vanity.
他花一大笔钱，目的就是为了满足虚荣心。
----
幻灯片 30
③If you don’t satisfy at least one of the conditions，you can’t become a member of our club.
这些条件中你至少要符合一项，否则你就不能成为本俱乐部的会员。
----
幻灯片 31
①satisfy one’s need/demand满足某人的需要
②to one’s satisfaction使人满意的是
③with satisfaction满意地
④be satisfied to do sth.因做某事而感到满意
⑤be satisfied with...对……感到满意
----
幻灯片 32
用satisfy的适当形式填空
①She gave a smile.
②It was a result.
③To our ，he solved the problem alone.
satisfied
satisfying
satisfaction
----
幻灯片 33 confuse vt.使困惑；使慌乱；混淆；弄错；搞乱
①He got/was confused after hearing what his parents said.
听了父母的话后他感到迷惑。
②I confused her with her sister because they are so alike.
因为她和她妹妹长得很像，所以我把她们两人认错了。
③The difficult question confused him.这个难题使他困惑。
----
幻灯片 34
①become/get confused困惑；不知所措
②sth.confuse sb.某事使某人困惑
③confuse sth.with混淆，弄乱
④be a confusion of是一片混乱的
⑤in confusion处于混乱状态(＝in a mess)
⑥cause confusion造成困惑/混乱
----
幻灯片 35
完成句子
①His words are quite (令人困惑)．
②People were (被搞糊涂了)by a lot of information.
confusing
confused
----
幻灯片 36 reduce vt.缩减，减少；使……处于……状态(表此种意义时，常用于被动语态)；使变弱；使降职(级)
①Costs have been reduced by 20% over the past year.
过去一年，各项费用减少了20%。
②The fire reduced the forest to a few trees.
大火把森林烧得仅剩下几棵树了。
----
幻灯片 37
③China can effectively reduce the widening gap between the rich and the poor.
中国可有效地消除不断加大的贫富差距。
----
幻灯片 38
①be reduced to sth./doing被迫沦为/干……
②reduce...to sth./doing迫使……成为/干……
③reduce speed /costs/expenses减速/降低成本/缩减费用
④reduce one’s expenditure减少某人的开支
⑤be reduced to despair陷入绝望
⑥reduce sb.(from sth.)to ...
把某人(从某级别或职位)降至……
⑦reduce sth.(from sth.)to...……减少到……
⑧reduce sth.(from sth.)by...……减少了……
----
幻灯片 39----
幻灯片 40
完成句子
①她的体重减轻了五公斤。
She her weight 5 kilograms.
②他沦为盗贼。
He stealing.
③据说那里的吸烟人数已减少了30%。
The number of smokers there is said 30%.
reduced
by
was reduced to
to have been reduced by
----
幻灯片 41 supply n．补给；供给；供应品
vt.补给；供给；提供
①Equipment for the research will be supplied by the university.
研究用的设备将由本大学供应。
----
幻灯片 42
②The media supplies lots of information to us every day.
＝The media supplies us with lots of information every day.
大众传播媒体每天把很多信息提供给我们。
③They have a good supply of food in the house.
他们家备有大量食品。
----
幻灯片 43
①supply sth.供应某物
②supply sb.with sth.＝supply sth.to sb.(不可说supply sb.sth.)供给某人某物
③sb.be supplied with sth.某人被提供某物
④sth.be supplied to sb.某物被提供给某人
⑤provide sb.with sth.＝provide sth.for sb.
供给某人某物
⑥offer sb.sth.＝offer sth.to sb.对某人提供某物
----
幻灯片 44温馨提示：supply 和provide不可跟双宾语；offer则可跟双宾语。
----
幻灯片 45
完成句子
①那些孩子们学习用的书籍没有得到充分供应。
Those children books for studying.
②他们得到足够的食物供应了吗？
Do they get food?
are not well supplied with
an adequate supply of
----
幻灯片 46 exchange vt.换；交流；交换；兑换
vi.交换；兑换
n．交换；交流；交谈；兑换
①He’s giving her French lessons in exchange for her teaching him English.
他教她法语，她教他英语，互教互学(作为交换条件)。
----
幻灯片 47
②RMB exchange rate has been keeping stable in recent years.
最近几年人民币汇率一直保持稳定。
----
幻灯片 48
①exchange sth.with sb.同某人交换/交流某事物
②exchange sth.for sth.用某物换取某物
③in exchange(for)作为(对……的)交换
④make an exchange进行交换
----
幻灯片 49
完成句子
①我经常和他交换信息。
I often him.
②我可以在这里把英镑兑换成美元吗？
Can I here?
exchange information with
exchange pounds for dollars
----
幻灯片 50 rid sb.of sth.使某人摆脱某事，去除
①The fat boy went on a diet to get rid of his excess weight.
这个胖男孩节制饮食以减轻过量的体重。
②Further measure will be taken to rid the streets of crime.
将采取进一步的措施防止街头犯罪。
----
幻灯片 51
③It won’t be long before we can be/get rid of the pest altogether.
不用太久，我们就能把这种害虫消除干净。
----
幻灯片 52
①get(be)rid of摆脱；除掉，拔除
②rid oneself(sb./sth.)of摆脱；驱除；除去；解除
----
幻灯片 53
句型转换
Could you rid yourself of the bad habit of smoking?
＝Could you the bad habit of smoking?
get rid of
----
幻灯片 54 focus on集中(注意力、精力等)于……
①As I encouraged group members to focus on what they could do，a sense of determination replaced the previous sadness.
当我鼓励小组成员集中干他们所做的事时，决心感代替了先前的悲伤。
----
幻灯片 55②The astronomer focused his telescope on the moon.
这位天文学家对准月亮调节望远镜的焦距。
③If Chinese companies wanted to transform crisis into an opportunity，they would have to focus more attention on industrial design and develop their own brands.
如果中国的公司想把危机转化为机会，他们必须集中精力搞企业设计发展自己的品牌。
----
幻灯片 56
①focus one’s attention on sth./ doing sth.
把注意力集中到某事/ 做某事
②focus sth.on sth.调节……焦距对准……
③be the focus of attention是人们最为关注的(人)/(事物)
④concentrate/ fix one’s attention on
把某人的注意力集中在……
⑤pay attention to集中注意力于……
----
幻灯片 57
完成句子
①在我看来，学校应该把精力集中在教学上。
In my opinion，schools should .
②他把相机对准了远处的高楼。
He his camera the huge building in the distance.
focus attention on teaching
focused
on
----
幻灯片 58 Since then，he has devoted his life to finding ways to grow more and more rice.从那以后，他就将自己毕生的精力致力于发现培育更多水稻的方法上。
since在这里作介词。since 作介词时，与完成时连用，意思是“自……以来；自从”。
----
幻灯片 59
①Where have you been since I last saw you?
自上次见面以后，你到哪里去了？
②She hasn’t been home since her marriage.
她自结婚后未曾回过家。
----
幻灯片 60
since作连词。since作连词时，有以下用法：
(1)与完成时连用，意思是“自……以后”，后面引导含一般过去时态的从句。当since与完成时态连用时，主句中的谓语动词需用延续性动词，所以一些终止性动词必须及时转化为延续性动词。
----
幻灯片 61① last seeing you I have been ill.
上次看到你以后我就病了。
(2)意思是“既然，因为”(＝now that)。
② we have no money，we can’t buy it.
因为我们没钱，我们买不起(它)。
(3)用于“It is /has been＋时间段＋since＋一般过去时态的句子”句型。
③ we visited your mother?
自从上次我们看望你母亲以来到现在有多长时间了？
Since
Since
How long is it since
----
幻灯片 62温馨提示：该句型中since后动词是终止性动词时表示“该动作发生以来多久了”，如果是延续性动词则表示“该动作终止以来多久了”。
----
幻灯片 63
(4)It＋be＋时间段＋before...表示“过多久后before后的动作才发生”。be可用将来时，可用过去时。
④It won’t be long before you go to college.
不久后你就要去上大学。
----
幻灯片 64
完成句子
①数年后他才意识到自己的错误。
he realized his mistakes.
②他不住在这里已经两年了。
he lived here.
③他们结婚已经五年了。
they got married.
It was years before
It’s two years since
It’s five years since
----
幻灯片 65----
幻灯片 66
谢谢观看！
----
【点此下载】