人教版高一英语必修4 Unit2 Working the land revision 复习课件（共55张PPT）

必修④
Unit 2
Working the land
2019年 高考一轮复习
单元能力过关与能力提升

单词记忆
sunburnt adj.晒黑的
struggle vi.&n.斗争;拼搏;努力
decade n.十年;十年期
super adj.特级的;超级的
output n.产量;输出
crop n.庄稼;农作物;产量
disturbing adj.引起烦恼的;令人不安的
expand vt.&vt.使变大;伸展
battle n.战役;战斗;较量;斗争vt. vi.搏斗;奋斗
freedom n.自由;自主
therefore adv.因此;所以;因而
equip vt.&vi.配备;装备
grain n.谷物;粮食;颗粒
重点单词1
peanut n.花生
export vt.&vi.输出;出口
nationality n.国籍
occupation n.工作;职业;占领
personality n.性格;个性;人格
confuse vt.使迷惑;使为难
regret vt.遗憾;惋惜n.遗憾;懊悔
chemical adj.化学的;关于化学的
fertile fertile adj.肥沃的;富饶的
fertilizer n.肥料;化肥
production n.生产;制造
重点单词2
pest n.害虫;害兽;害鸟
nutrition n.营养;滋养;食物
discovery n.发现;发觉
focus n.焦点;中心点vt.集中;聚焦
soil n.土壤
reduce vt.减少;减缩
root n.根;根源
skim vt.浏览;略读
underlin vt.画底线标出;强调
summary n.总结;摘要;概要
comment n.评论;议论vt.&vi. 作出评论
producer n.生产者;制片人
industrial adj.工业的;产业的
重点单词3
重点单词拓展
1. _________ n. 发现；发掘→_________vt. 发现；发觉
2. _______ vt.&vi. 配备；装备→____________ n. 设备；装备
3. _________ adj. 化学的；关于化学的→_____________n. 化学
discovery
discover
equip
equipment
chemical
chemistry
4. _______ vt. 减少；减缩→__________n. 减少；下降；缩小
5. _________ n. 自由；自主→_______adj. 自由的 vt. 使自由
6. __________ n. 总结；摘要；概要→_____________vt. 概括；总结
reduce
reduction
freedom
free
summary
summarize
7. ________ vt.&vi. 循环；流转→___________n. 流通；传播；循环
8. _______ vt.&vi. 使变大；伸展→____________n. 扩大；扩张；膨胀
9. _________ n. 营养；滋养→__________ adj. 营养丰富的；有营养的
circulate
circulation
expand
expansion
nutrition
nutritious
10. ___________vt. 占领；占据；使忙碌→ ___________ n. 工作；职业；占领
11. _______ vt.&vi. 输出；出口→(反义词) ________ vt.&vi. 输入；进口
12. _______ vt. 遗憾；惋惜 n. 遗憾；懊悔→_________adj. 后悔的；遗憾的；惋惜的
occupation
occupy
export
import
regret
regretful
13. __________vt. 生产；创作→__________ n. 生产；制造→____________adj. 多产的→_______________n. 生产力
14. _________vt. 打扰；妨碍；使恼怒→ ___________ adj. 引起烦恼的；令人不安的→______________n. 干扰；扰乱
production
produce
productive
productivity
disturbing
disturb
disturbance
1. 多亏；由于；因为___________
2. 摆脱；除去___________
3. 对……感到满意
________________________________
4. 在乎；在意___________________
5. 带着……希望___________________
6. 盛产；富含___________________
7. 使……免受(影响/伤害等) _________________
thanks to
rid...of
be satisfied with(=be content with)
care about
with the hope of
be rich in
keep…free from/of
重点短语
8. 每隔几年_______________
9. 毕业于_______________
10. 寻找_______________
11. 使做(某事)成为…… _______________
12. 宁愿; 宁可________________________
13. 集中(注意力/精力)于____________
14. (相比之下)更喜欢做某事
__________________________
every few years
graduate from
search for
would rather
make it…to do
focus on
prefer to do (rather than do)
15. 逐渐增强；建立______________
16. 导致；造成(后果) ______________
17. 对……评论______________
18. 减少了/减少到___________________
19. 努力/挣扎做某事___________________
20. 装备有；配备有___________________
build up
lead to
comment on
reduce by/reduce to
struggle to do sth.
be equipped with
1. Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers, for ________ he has struggled ____ the past five decades. 的确，他那被太阳晒得黝黑的脸庞和手臂，以及他那瘦削而又结实的身躯，就跟其他千百万中国农民一样，过去50年来，他一直在努力帮助他们。
whom
for
优美句子
2. Dr Yuan Longping grows ______ ____ ______ super hybrid rice. 袁博士种植的是被称为“超级杂交水稻”的稻种。
3. This special strain of rice makes ______ possible to produce one-third 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。
what
is
called
it
4. Indeed, he believes that a person ______ too much money has more ______ ______ fewer troubles. 事实上,他相信,一个人有太多的钱只会有更多的麻烦，而不是麻烦更少。
with
rather
than
5. Crops such as peas or soybeans put important minerals back into the soil, _________ (make) it ready for crops such as wheat or corn ______ need rich and fertile soil. 像豌豆或大豆这样的农作物将重要的矿物质带回土壤，从而使之适宜于种植要求土壤肥沃的农作物，比如玉米或小麦。
making
that
_________he is one of China’s most famous scientists, Yuan Longping considers __________ a farmer, for he works the land to do his research. Indeed, his __________(sunburn) face and arms and his slim, strong body are just like those of millions of Chinese farmers, for ________ he has struggled for the past five decades. Dr Yuan Longping grows what is called super hybrid rice. In 1974, he ________(become) the first agricultural pioneer in the world to
Although
himself
sunburnt
whom
became
课文语法填空
grow rice that has high output. This special strain of rice makes possible to produce one-third more of the crop in the same fields. Now more than 60% of the rice __________ (produce) in China each year is from this hybrid strain.
????? Born into a poor farmer’s family in 1930, Dr Yuan graduated Southwest Agricultural College in 1953. Since then, finding ways ________ (grow) more rice has been his life goal.
a
it
produced
from
to grow
重点难点突破
1. struggle vt.&vi. 斗争；拼搏；努力
自我检测 根据括号内的汉语提示完成句子。
(1) She _______________________(正在努力建立) her confidence.
(2) The black people _________________
___________________________(一直在为自由和平等而斗争) even so far.
is struggling to build up
for their freedom and equality
have been struggling
(3) In summary, we should ________ _________(同……作斗争) the industrial pollution.
(4) Thanks to his help, I _____________ ________(挣扎着站了起来) in the end.
against
struggled to
struggle
my feet
struggle for 为……斗争
struggle against 同……作斗争
struggle to one’s feet 挣扎着站起来
struggle on 继续努力；拼命活下去
归纳总结
写作运用 翻译合并下列句子。
(1) 我一直努力学习。
I have been struggling to study.
(2) 我要考上重点大学。
I want to be admitted to a key university.
(用不定式作目的状语)合并：
I have been struggling to study to be admitted into a key university.
2. rid...of 免除；清除；摆脱
自我检测 根据括号内的汉语提示完成句子。
(1) Mr. Brown is now struggling to __________ ________(使自己摆脱债务).
(2) It is difficult to _________(除掉) deep-rooted habits.
(3) Frogs can _____________________(帮助农民清除) unwanted pests.
get rid of
help rid the farmers of
rid himself
of debt
rid oneself of sb./sth. 摆脱；从……中解脱
be/get rid of 摆脱；除掉
归纳总结
写作运用 翻译合并下列句子。
(1) 据统计，在过去的几十年，政府帮助许多人摆脱了贫穷与饥饿。
According to the statistics, over the past few decades, the government has helped rid a good many people of poverty and hunger.
According to the statistics, over the past few decades, the government has helped rid a good many people of poverty and hunger.
(2) 这是一个伟大的成就。
This is a great achievement.
(用非限定性定语从句)合并：
According to the statistics, over the past few decades, the government has helped rid a good many people of poverty and hunger, which is a great achievement.
3. be satisfied with 对……感到满意
自我检测 用适当的介词填空或完成句子。
(1) Only 30% of the parents ________________ (对……感到满意) their relationship with their children.
(2) The ambitious boy ____________________
___________________(从不满足于现状).
(3) Are you satisfied _____ the exam results?
are satisfied with
is never satisfied with
the present situation
with
同义：be content/pleased/happy with
归纳总结
写作运用 翻译合并下列句子。
(1) 老师对我所做的一切非常满意。
My teacher was so satisfied with what I had done.
(2) 她奖励了我一本笔记本。
She rewarded me with a notebook.
My teacher was so satisfied with what I had done.
She rewarded me with a notebook.
(用结果状语从句)合并：
My teacher was so satisfied with what I had done that she rewarded me with a notebook.
4. would rather (do sth.) 宁愿；宁可(做某事)
自我检测 用所给词的适当形式填空或完成句子。
(1) I _________________________(宁愿呆在家里) on weekends.
(2) I would rather you _____(tell) me the truth.
would rather stay at home
told
(3) I _______________________(宁愿没有更改) the time.
(4) I ________________(宁愿独自一人) rather than stay with him.
(5) I _________________________(宁愿不及格也不作弊) in the examination.
would rather not change
would be alone
would rather fail than cheat
would rather not do sth. 宁愿不做某事
would rather sb. did sth. 宁愿某人做某事
would rather do A than do B 宁愿做A事也不做B事
would do A rather than do B 宁愿做A事也不做B事
归纳总结
写作运用 翻译合并下列句子。
(1) 我找不到理想的工作。
I can not find an ideal job.
(2) 我宁愿不工作。
I would rather not work.
(用条件状语从句)合并：I would rather not work if I can not find an ideal job.
5. lead to 导致；通往 (to是介词)
自我检测 用所给词的适当形式填空或完成句子。
(1) The overuse of chemical fertilizers may ______________________(导致严重的问题).
(2) Diligence is the path ________(lead) to happiness.
lead to serious problems
leading
(3) I _______________________________ (期待收到你的来信) in the near future.
(4) We should _______(坚持) the principles and be flexible as well.
look forward to hearing from you
stick to
联想 (to作为介词的短语)：
look forward to 盼望；期待
pay attention to 注意
stick to 坚持
devote…to 贡献；致力于……
refer to 查阅；涉及；指的是
归纳总结
写作运用 翻译合并下列句子。
(1) 很多人还没有意识到这个问题。
A great many people are still not aware of this problem.
(2) 耕地的不断减少可能会导致严重的后果。
The continuous reduction of farmland may lead to serious consequences.
A great many people are still not aware of this problem.
The continuous reduction of farmland may lead to serious consequences.
(用同位语从句)合并：
A great many people are still not aware of this problem that the continuous reduction of farmland may lead to serious consequences.
6. thanks to 幸亏；由于；因为
自我检测 根据括号内的汉语提示完成句子。
(1) __________(幸亏) his inspiration, I built up my confidence.
Thanks to
(2) It is ________________________(由于糟糕的天气) that the output of crops reduces by 20% this year.
(3) Her heart was slightly damaged _____________(由于……的结果) her long sickness.
thanks to the bad weather
as a result of
同义：owing to, due to, as a result of, in virtue of, because of, on account of
归纳总结
写作运用 翻译合并下列句子。
(1) 亏得他的帮助，我们提前完成了任务。
Thanks to his help, we accomplished the task in advance/ahead of schedule/time.
(2) 老师对此非常满意。
The teacher was satisfied with it.
Thanks to his help, we accomplished the task in advance/ahead of schedule/time.
(2) 老师对此非常满意。
The teacher was satisfied with it.
(用非限定性定语从句)合并：
Thanks to his help, we accomplished the task in advance/ ahead of schedule/time, with which the teacher was satisfied.
写作句型运用
运用 根据汉语意思完成英文句子。
⑴ 这些新技术将使得从废弃物中回收可用之物成为可能。
The new techniques ___________________ recover usable things from waste.
will make it possible to
1. make it possible (for sb.) to do使(某人)做某事成为可能
⑵ 过去的几十年, 医疗技术的进步已经使得人们比过去活得更长成为可能。
In the last decades, advances in medical technology _________ ___________________________ ________than in the past.
it possible for people to live
longer
have made
2. 倍数词+as+原级+as... 是…的多少倍
说明 英语中常用的倍数表达法还有：
⑴ 倍数+形容词/副词的比较级+than...
⑵ 倍数+the+名词(length, width, height, size )+of...
运用 用三种表达方式翻译下句子。
这根绳子是那根的三倍长。
⑴ This rope is ________________that.
⑵ This rope is __________________ that.
⑶ This rope is _____________________ that.
three times the length of
twice longer than
three times as long as
3. no matter what ... 不管/不论…… (后接状语从句)
仿写 根据汉语意思完成英文句子。
⑴ 不管做什么事, 你都必须非常细心。
_____________________, you must be very careful.
No matter what you do
⑵ 不论你选择哪一个, 你都会满意的。
__________________________, you will be satisfied.
⑶ 不管你说什么, 我都喜欢听。
________________________, I like to listen.
No matter what you say
No matter which you choose
运用 根据汉语意思完成英文句子。
⑴ 我们把书放进书柜以避免落上灰尘。
We put our books in a bookcase _________________________.
⑵ 我们必须尽力使这条河流免受污染。
We must try our best ___________ _______________________.
to keep them free from dust
river free from pollution
to keep the
4. keep...free from/of使……免受(影响、伤害等)