2021新高考英语一轮复习学案选修6Unit4Globalwarming

Unit 4Global warming
1．resident n. 居民 2.habitant n. 居民；居住者3．immigrant n. 移民 4.migration n. 迁移；移居5．ageing n．& adj. 老龄化；变老的
6．decrease v i. 减少
7．decline v i. 降低；下降8.settle in 迁入；安顿下来9．birth/death rate 出生/死亡率
10．floating population 流动人口
11．atmosphere n. 大气12.waste n. 废料；垃圾13．radiation n. 放射；放射物14.emission n. 排放15．recycle v t. 回收；循环利用16.replace/substitute v t. 取代17．environmentally-friendly adj. 环保的
18．soil erosion 水土流失
19．alternative energy 替代能源
20．solar energy/power 太阳能
21．nuclear energy/power 核能
22．be/live in harmony with 与……和谐共处23．bring...under control 把……控制住
24．be/bee aware of 意识到
25．raise the awareness of 提高……意识
26．live a low carbon life 过低碳生活
27．population density 人口密度
28．universal two-child policy 全面二孩政策
1．live in harmony with...与……和谐相处
2．raise the awareness of...唤醒……的意识3．protect...from...保护……不受……(危害)
4．be covered with被……覆盖
5．be crowded with挤满，拥塞
6．turn off关掉
7．die out灭亡；逐渐消失
8．tear down拆掉；拆毁
9．save energy节约能源
10．get damaged遭到破坏
1．It is necessary for us to protect our environment.
对我们来说，保护环境是必要的。

2．Only in this way can we live in harmony with the animals.
只有这样我们才能与动物和谐相处。

3．Water resources have bee so badly polluted that some of the water is unfit to drink or to use.
水资源已经被污染得如此严重，以至于一些水已经不适合饮用或使用。

1．It_is_well-known_that the global water shortage is being increasingly severe mainly due to global warming.
众所周知，由于全球变暖，全球水资源短缺问题正变得日益严重。

2．It is urgent to stop damaging the earth and spare_no_effort_to_protect_it and make it a lovely place to live in.
形势紧急，破坏地球的行为应该叫停了，应不遗余力地保护地球，把地球变成一个适宜居住的美丽的地方。

3．It_is_well_acknowledged that the severely polluted environment and the increase of cars contribute to a lot of smog.
人们公认严重污染的环境和车辆的增加极大地导致了雾霾。

教材单词
写准并记牢
Ⅰ.重点单词
1．advocate v t. 拥护；提倡；主张
2．phenomenon n. 现象
3．quantity n. 量；数量
4．mild adj. 温和的；温柔的；淡的
5．range n. 种类；范围
6．glance v i. 看一下；扫视n. 一瞥
7．average adj. 平均的
8．widespread adj. 分布广的；普遍的
9．mitment n. 承诺；交托；信奉
10．casual adj. 随便的；漫不经心的；偶然的
11．circumstance n. 环境；情况
12．refresh v t. 使恢复；使振作
13．presentation n. 显示；演出
Ⅱ.拓展单词
1．consume v t. 消费；消耗；耗尽；吃完→consumer n. 顾客；消费者→consumption n. 消费
2．subscribe v i. 同意；捐赠；订阅v t. 签署(文件)；捐助
→subscription n. 同意；捐赠；订阅；签署
3．tend v i. 趋向；易于；照顾v t. 照顾；护理→tendency n. 倾向；趋势
4．oppose v t. 反对；反抗；与(某人)较量→opposed adj. 反对的；对立的
5．consequence n. 结果；后果；影响→consequent adj. 随之发生的；作为结果的→consequently ad v. 因此；所以
6．state v t. 陈述；说明→statement n. 说明；说法；表白
7．steady adj. 平稳的；持续的；稳固的→steadily ad v. 平稳地；持续地
8．economical adj. 节约的；经济的→economic adj. 经济的
→economy n. 经济；节约
9．existence n. 生存；存在→exist v i. 存在→existing adj. 目前的；现在的
10．pollution n. 污染；弄脏→pollute v t. 污染→polluted adj. 被污
染的
11．growth n. 增长；生长→grow v. 种植；生长；发展
12．electrical adj. 电的；与电有关→electricity n. 电；电力→electric adj. 电的；电动的→electronic adj. 电子的
13．educator n. 教育工作者；教育家→educate v. 教育；培养
→education n. 教育；培养
14．contribution n. 贡献；捐助→contribute v. 贡献；撰稿；捐助；捐赠
15．environmental adj. 环境的→environment n. 环境
16．disagreement n. 分歧；不一致→disagree v. 不同意→agree v. 同意；赞成→agreement n. 同意；赞成；一致
Ⅲ.阅读单词
1．random adj.胡乱的；任意的
2．fuel n．燃料
3．per prep. 每；每一
4．data n. 资料；数据
5．trend n. 趋势；倾向；走向
6．catastrophe n. 大灾难；浩劫
7．flood n. 洪水；水灾
8．outer adj. 外部的；外面的
9．graph n. 图表；坐标图；曲线图
10．motor n. 发动机
11．can n. 容器；罐头
12．microwave n. 微波炉；微波
13．nuclear adj. 核的；核能的；原子核的
高考与教材
1.(2019·全国卷Ⅱ)This is quite important, because it is directly related to your mitment (mit)．
2．(2019·江苏卷)So scientists are trying their best to save the species
from going out of existence (exist)．
3．(2018·全国卷Ⅰ)The researchers also explored what would happen if consumers (consume) replaced old products with new electronics.
4．(2018·江苏卷)No doubt the theater has contributed to the area's development and economic growth (grow)．
5．(2017·全国卷Ⅲ)Many farmers opposed (oppose) the plan because they feared that wolves would kill their farm animals or pets.
教材短语
写准并记牢
1．e_about 发生；造成
2．go_up 上升；增长；升起
3．even_if 即使
4．on_the_whole 大体上；基本上
5．on_behalf_of 代表……一方；作为……的代言人
6．put_up_with 忍受；容忍
7．so_long_as 只要
8．rather_than 而不是
9．subscribe_to 同意；赞成；订购
10．quantities_of 大量的
11．result_in 导致
12．be_opposed_to 反对……
13．keep_on 继续
14．and_so_on 等等
高考与教材
1.(2019·浙江卷)When giving praise, parents should be sincere and focus on the process rather_than (而不是) the result.
2．(2018·天津卷)Irresponsible use of a fire extinguisher can create a dangerous situation for other residents and could result_in (导致) damage to personal property.
教材句式
写准并记牢
1.There is no doubt that... 毫无疑问……；it is...that...强调句
There_is_no_doubt_that the earth is being warmer and that it_is human activity that has caused this global warming rather than a random but natural phenomenon.
毫无疑问，地球正变得更加暖和，并且全球变暖是人为的，而不是随意的自然现象。

2．even if/though 即使；尽管，引导让步状语从句
Even_if/though we start reducing the amount of carbon dioxide and other greenhouse gases, the climate is going to keep on warming for decades or centuries.
即使我们开始减少二氧化碳和其他温室气体的含量，在(未来)几十年或几个世纪内，气候仍会持续转暖。

3．as/so long as 只要，引导条件状语从句
It is OK to leave an electrical appliance on so/as_long_as you are using it—if not, turn it off!
只要你在使用电器设备，你便可以把它开着，如果不用就把它关掉！
4．it takes...to do sth. 做某事需要……
It_takes a lot of energy to_make things from new materials, so, if you can, buy things made from recycled materials.
用新材料来制作物品要花费大量的能源，因此，只要有可能，就买那些用回收材料制成的物品吧。

高考与教材
1.(2019·浙江卷)Even_though (即使) there is a mon spirit among all music groups, they make very different music.
2．(2018·天津卷)I felt that it would be a victory for us
even_if_we_lost_the_game (即使我们输了比赛)．
3．(2018·北京卷)There_is_no_doubt_that (毫无疑问) you should
practice speaking Chinese more.
4．(2017·北京卷)Some argue that humans and machines can coexist as_long_as_they_work_in_teams (只要团队合作).
1．动词＋-tion 后缀变名词
①pollute→pollution 污染
②contribute→contribution 贡献
③advocate→advocation 拥护
④consume→consumption 消费
⑤evaluate→evaluation 评价
⑥graduate→graduation 毕业
⑦congratulate→congratulation 祝贺
⑧adapt→adaptation 适应
2．名词＋-al 后缀变形容词
①environment→environmental 环境的
②nature→natural 自然的；天然的
③origin→original 原来的
④convention→conventional 传统的
⑤profession→professional 专业的
3．名词变复数的不规则变化
①phenomenon→phenomena 现象
②medium→media 媒体
③datum→data 数据
④criterion→criteria 标准
⑤bacterium→bacteria 细菌
4．“动词＋up with”结构的短语
①put up with 忍耐；忍受；熬过
②keep up with 与……同步；跟上(强调状态)
③catch up with 跟上(强调动作)
④end up with 以……结束
⑤e up with 提出；想出
5．as＋adj.＋as 结构
①as far as 到达某个提及的地方，在……范围内，就……而言
②as many as “多达……”“达到……之多”，与可数名词复数连用
③as much as “多达……”“达到……之多”，与不可数名词连用
④as soon as “一……就……”，引导时间状语从句
⑤as well as 也；还；除……之外
⑥as good as 和……一样好；实际上；相当于
⑦as long as 只要；和……一样长
高频词汇精讲
1．e about发生；造成
So how has this e about and does it matter?
那么，这种温度的上升是怎么产生的，又有什么影响呢？
e into being产生；出现；形成
e across偶尔发现；想起；被理解
e out出来；发芽；出版；泄露
e up with提出；想出
when it es to... 当谈到……
[注意] e about是不及物动词短语，常指情况不受人控制地突然发生。

常用句型：How did it e about that....某事是怎样发生的？It came about that...……发生了。

另外，happen, occur, take place, break out也有“发生”之意，都不用于被动语态，也不常用进行时态。

(1)单句语法填空
①I'll never understand how it came about that you made such a mistake.
②When the exam results came out,_Jack had got left as usual.
③It came about that the year 1849 saw a great war in Hungary.
(2)完成句子
I want to know how the differences between British English and American English e_about.
我想知道英式英语和美式英语之间的不同是怎样形成的。

2.subscribe to 同意；赞成；订购
Are you going to subscribe to the opera this season?
你要订购这一季的歌剧票吗？
refer to 提及 contribute to 有助于
be opposed to 反对 object to 反对
[注意] 以上这些短语中的 to 均为介词，其后跟名词或动名词作宾语。

(1)写出下列句子中subscribe to 的汉语意思
①I subscribed to the magazine for only $32 a year.订阅
②How much did you subscribe to the disaster fund ？捐助
③Do you subscribe to her pessimistic view of the state of the economy ？同意
(2)完成句子 I subscribe_to the view that children benefit from being independent. 我同意这一观点：孩子们会从独立中受益。

3．quantity n ．量；数量
The problem begins when we add huge quantities of extra carbon dioxide into the atmosphere.
当我们在大气中增加了大量额外的二氧化碳时，问题就来了。

(1)in quantity (in large quantities) 大量地
quantities of ＋名词＋谓语动词复数 许多……
a quantity of ＋⎩⎪⎨⎪⎧
复数名词＋谓语动词复数不可数名词＋谓语动词单数 (2)quality n . 质量
(1)单句语法填空
①It's cheaper to buy goods in quantity.
②Quantities of soil are_washed (wash) away every year.
③A large quantity of air conditioners have_been_sold (sell) since the summer came.
(2)文化渗透
History poetry is very important in the Tang Dynasty, regardless of in quantity or art level.
咏史怀古诗，无论在数量上还是艺术水平上，在唐朝时都非常重要。

4.tend vi. 趋向；易于；照顾vt.照顾；护理
It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.
这意味着更多的热量被困在大气层中，从而引起全球温度上升。

(1)tend to do sth. 倾向于做某事
tend towards/to 倾向于；趋于……
tend sb./sth. 照顾；护理某人/某物
(2)There is a growing tendency for sb. to do sth. 某人做某事的倾向日益增长
(1)单句语法填空
①Janet tends to_get (get) very angry if you disagree with her.
②The nurse skillfully tended (tend) soldiers' wounds.
③There is a growing tendency (tend) for people to work at home instead of in offices.
(2)完成句子
Children tend_to react against their parents by going against their wishes.
孩子们倾向于以违背父母的意愿来反抗他们。

5.go up 上升；增长；升起
With Spring Festival approaching, prices of fruit and vegetables have gone up.
随着春节的来临，水果和蔬菜的价格已经上涨了。

go down 下降
go by 逝去；经过；遵循；以某事为判断标准
go out 消逝；熄灭
go over 复习；仔细检查
go through 通过；接受；达成；仔细检查；详细研究；经历
go against 违背；作对
(1)单句语法填空
①She went through untold hardships in her childhood.
②In going over the paper, she found some serious grammatical errors.
③The flame of the burning candle soon went out yesterday.
④Her weight went down from 65 kilos to 50 kilos because of her illness last year.
(2)完成句子
As_prices_are_going_up/With_prices_going_up,_I find it hard to make ends meet.
随着物价不断上涨，我发现很难做到收支相抵。

6.result in 导致
They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.
他们还赞同下述观点，正是由于越来越多地燃烧化石燃料导致了二氧化碳的增加。

(1)result in 为及物动词短语，表示“导致”的意思，其同义词为cause(引起)，bring about(引起；导致；致使)；lead to(导致)；contribute to(有助于；向……投稿)
(2)result from 由……产生
as a result of 由于……的原因
as a result 结果
without result 毫无结果
完成句子
①It had rained heavily for weeks, which resulted_in severe flood in this area.
大雨已下了几周，造成了这个地区的严重水灾。

②As we all know, his success resulted_from his hard work.
众所周知，努力工作使他取得了成功。

③The exam was of vital importance for me; as_a_result,_ I had no choice but to pletely focus on my study.
这次考试对我来说非常重要，因此，我别无选择只好集中全部精力学习。

7．oppose vt.反对；抵制；阻挠；与……竞争
Mr Taylor was not bitter towards those who had opposed him.
泰勒先生对那些曾经反对过他的人并未怀恨在心。

(1)oppose sth./doing sth. 反对(做)某事
oppose sb./sb.'s doing sth. 反对某人/某人做某事
(2)opposed adj. 反对的；对立的
be opposed to 反对……；与……对立(to为介词)
(3)表示反对的其他表达：disagree with, object to, be against 等。

(1)单句语法填空
①The parents strongly opposed their daughter going (go) there alone.
②The mayor is strongly opposed to building (build) a new hall, which may cost a lot of money.
③The senior students strongly objected to being_treated (treat) unfairly by others.
(2)完成句子
We are_strongly_opposed_to the proposal that a chemical plant be built near the village.
我们强烈反对在村子附近建设化工厂这个建议。

8．consequence n．结果；后果；影响(为可数名词)
They predict that any warming will be mild with few bad environmental consequences.
他们预测任何变暖的情况不会很严重，对环境的影响也不会太坏。

(1)in consequence＝as a consequence 因此；结果
in consequence of＝as a consequence of 因为；由于
take/suffer/face the consequences of 承担……的后果
(be) of little/no consequence 不重要的；无足轻重的
(2)consequent adj. 作为结果的
consequently ad v. 所以；因此
(1)单句语法填空
①As a consequence of being late for the conference, the secretary was dismissed from the pany.
②He broke the law, and now he must face/take/suffer the consequences (consequence) of his action.
③Consequently (consequent), she understood it and became interested in traditional Chinese culture.
(2)完成句子
As_a_consequence_of human activities like cutting down bamboos, the pandas are lacking in food source.
由于像砍伐竹子这样的人类活动，熊猫缺少了食物来源。

9．state vt. 陈述；说明n. 状态；情况
In fact, Hambley states, “...it will encourage a greater range of animals—all of which will make life for human beings better.”
汉布利实际上是这样说的：“……，它会促进动物种类的增多——所有这些都能改善人类的生活。

”
(1)in a．..state/in a state of... 处于……状态
in a good/bad state 状况良好/不好
a state of mind 心态
(2)as stated above 如上所述
It is/was stated that... 据称……
(3)statement 陈述；声明
[注意] (1)state表示“状态；状况；情况”时常用单数，常指人或
事物存在的情况，或在某一阶段的性质与形式。

(2)state表示“国家”时，侧重政体，即政治独立的国家，可指其政府，也可指国家的一部分“州；邦”。

单句语法填空
①It is important to keep you in a good state of mind.
②He made a statement (state) that he would stand by us.
③The witness stated (state) that he had not seen the woman before.
④The roads are in a terrible state after the severe winter.
10．range n．种类；范围；幅度；界限v．(在一定范围内)变动；变化；排列
It will make plants grow quicker; crops will produce more; it will encourage a greater range of animals—all of which will make life for human beings better.
它使植物成长更快，庄稼产量更高，还会促进动物种类的增多——所有这些都能改善人类的生活。

(1)a wide range of... 各种各样的……；一系列……
in/within range在射程内；在范围内
beyond/out of range在射程外；在范围外
(2)range from...to... 在……范围内变动
range between...and... 在……和……范围内变动
(1)单句语法填空
①He has a number of interests, ranging (range) from chess to canoeing.
②When driving on highways, the driver must control his or her speed within/in the range of 60 km/h and 120 km/h.
(2)写作运用
The team will hold a_range_of activities, including some training and matches.
球队将举行各种各样的活动，包含各种训练和比赛。

11.glance vi. 看一下；扫视n．一瞥
At first glance the place seemed deserted.
乍一看，这地方似乎被废弃了。

(1)glance at/over/through浏览；匆匆看一眼
(2)at a glance一眼；立刻
at first glance乍一看
take/give/throw a glance (at) 匆匆看一眼
完成句子
①I took_a_glance_at the hall and found many familiar faces among the audience.
我扫视了一下大厅，发现观众中有许多熟悉的面孔。

②They looked the same at_first_glance but in fact they were different.
乍看起来它们是一样的，但事实上它们是不同的。

③Glancing_through the newspaper, I found a news article about a typhoon in Guangdong.
翻阅报纸的时候我发现了一篇关于广东台风的新闻报道。

12．average adj.平均的；普通的n．平均；平均数
The greenhouse effect gives the earth's surface the average temperature of 15 ℃.
温室效应使地球表面的平均温度保持在15 ℃。

the/an average of... ……的平均数
on average平均地；通常
above/below average高于/低于平均数/水平
up to average达到平均数/水平
完成句子
①All students have two PE classes a week and run for an_average_of
20 minutes every day.
所有学生每周有两节体育课，每天平均跑20分钟。

②Last year was the warmest year on record, with global temperature
0.68 ℃ above_the_average.
去年是有记录以来最温暖的一年，全球气温比平均值高出0.68摄氏度。

13．circumstance n．环境；情况
Recycle cans, bottles, plastic bags and newspapers if circumstances allow you to.
如果条件允许，把罐头盒、瓶子、塑料袋和报纸回收利用起来。

in/under no circumstances决不；无论如何都不
位于句首时，句子要用部分倒装结构
in/under the circumstances在这种情况下；既然这样
in/under any circumstances在任何情况下
in normal circumstances在正常情况下
if circumstances allow/permit... 如果情况许可
(1)完成句子
①It might not be a perfect solution, but it's the best I can do under/in_the_circumstances.
这也许不是一个完美的解决办法，但这是在此情况下我能做得最好的。

②Under/In_no_circumstances is punishment a wise choice to help them grow up mentally and physically.
惩罚绝不是一种明智的选择来帮助他们在精神和身体方面健康成长。

14.put up with忍受；容忍
We do not have to put up with pollution.
我们不必去忍受污染。

(1)put away储存(钱)；将……收起
put aside储蓄；存……备用；节省(时间、钱)
put forward提出(意见、建议)
put on表演；上演(戏剧)；增(肥)；戴上
put off推迟；延期
put out熄灭；扑灭
put up举起；张贴；搭建；提供(食宿)
(2)表示“容忍；忍受”的词语还有：tolerate, stand, bear, endure 等。

完成句子
①Noise is ing to the point where we can't put_up_with it.
噪声到了我们无法忍受的程度。

②We are trying to put_aside some money every month for our vacation.
我们正尽量每月存些钱以供度假用。

③A suggestion has been put_forward that we should recycle the textbooks.
有人提出建议，我们应该循环利用教科书。

重点词汇点拨
1．steady adj. 平稳的；持续的；稳固的
steadily ad v.平稳地；持续地
The number of the people attending the course is rising steadily (steady)．
2．advocate vt. 拥护；提倡；主张n. 提倡者；拥护者
(1)advocate sth./doing sth. 主张(做)某事
advocate that...(should) do sth. 主张；提倡……做某事
(2)an advocate of ……的提倡者
①We advocate solving (solve) international disputes by negotiations, instead of appealing to arms.
②Animal activists advocate that the government (should)_set (set) up
a special organization to protect these migrating birds.
3．on the whole 大体上；基本上
as a whole 作为一个整体；整体看来；整体来说；总体上
in whole 全部地；整个地
in general 通常；笼统地
Sometimes I have problems at work but on_the_whole I enjoy my job.
有时我的工作也有问题，但总的来说，我喜欢我的工作。

4．on behalf of代表……一方；作为……的代言人
(1)on behalf of 代表……，on one's behalf 以某人的名义。

一般是指某人代表公司或者机构、团体、国家
(2)stand for代表/象征……；一种事物代表/象征另一种事物
(3)in the person of 代表……；以……的身份
(4)in the name of 以……的名义
He is pleased to speak on_behalf_of his school at the meeting.
他很高兴代表学校在大会上发言。

典型句式精析
1．It is OK to leave an electrical appliance on so long as you are using it—if not, turn it off!
在使用电器设备时，你可以让它开着——如果不用就把它关掉！
(1)该句中so long as＝as long as是连词，引导条件状语从句。

as long as 也可以指时间、长度，意为“长达……；与……一样长；与……一样久”
(2)引导条件状语从句的连词短语：
on condition that 如果；条件是
provided that 如果；条件是
in case that 如果；万一
only if 只要
完成句子
①As_long_as/On_condition_that you treat others honestly, you can win their respect.
只要你真诚地对待别人，就能赢得别人的尊敬。

②As_long_as/On_condition_that you keep studying hard, you can improve your English.
只要你继续努力学习，你就能提高你的英语成绩。

③This line is four times as_long_as that one.
这条线是那条线的四倍长。

2．It takes a lot of energy to make things from new materials, so, if you can, buy things made from recycled materials.
用新材料来做这些东西要花费大量的能源，因此，只要有可能，就买那些用回收材料制成的物品吧。

(1)It takes sth.to do...是固定句式，表示“做某事需要……”
(2)It takes sb....to do.../It takes...for sb.to do...做某事花费某人(时间、精力、金钱等)
表示花时间或金钱做某事，还常表达为：sb. spend some time/money on sth. (in doing sth.)
单句语法填空
①It takes strength and patience to_be (be) a long-distance runner.
②On average, students in this school spend two hours on their homework every day.
Ⅰ.单词拼写
1．Cycling has bee a new trend (趋势) around the world, a good way of energy-saving and low-carbon life.
2．The two pictures look so similar at first glance (一瞥), but they are totally different.
3．I often refresh (使神清气爽) myself with a glass of juice after running.
4．In nature, there are lots of phenomena (现象) which can't be explained now.
5．If you are serious about our relationship, you should make a mitment (承诺)．
6．In production, we demand not only quantity (数量) but also quality.
7．Some people prefer a wider range (范围) of views, and would choose to read more.
8．There is a(n) widespread (普遍的) concern over the issue whether students should make friends online.
9．Graphs (图表) can be a very useful tool for conveying information, especially numbers, percentages, and other data.
10．The average (平均的) temperature ranges between 23 ℃and 39 ℃ and 51% of the island is covered with forests.
Ⅱ.单句语法填空
1．Under no circumstances should you give up your dreams even if everybody goes far away from you.
2．There are some disagreements (disagree) among us, so we need to decide on a date to discuss the matter.
3．He had been ill for a long time and consequently (consequence) he was behind in his work.
4．She refused to make a statement (state) to the police in case she incriminated (连累) herself.
5．In the past, only in country areas did people tend to_believe (believe) that boys were smarter than girls, which was a great prejudice against girls.
6．Some experts thought that pollution poses a threat to the continued existence (exist) of this species.
7．The girls sat down facing each other and began chatting casually (casual)．
8．As we all know, games play a very important role in the growth (grow) of children.
9．Many experts advocate rewarding (reward) your child for good behaviour.
10．They contributed a lot of food and clothing to the refugees and their contributions (contribute) will certainly help the refugees live through the winter.
11．It takes me twenty minutes to_walk (walk) to school every day.
12．We received several answers, and we picked one at random.
13．We are opposed to building (build) the factory near the village.
14．There is no doubt that air pollution has a bad effect on our health.
15．Watching hundreds of balloons slowly go up into the sky, the crowd got excited.
Ⅲ.选词填空
The old Chinese proverb “Don't fail to do good even_if
teaches us how to be a good person in this world.
2．It was their encouragement and my own thinking that resulted_in my slow but steady progress.
3．With the housing price going_up,_more and more people advocate the government take more strict measures to lower property prices.
4．Under my English teacher's patient instruction, I kept_on learning, practising oral English for three months.
5．To get good jobs, they are willing to put_up_with many of the disadvantages of city life such as heavy traffic and pollution.
6．Amy thought it was worthwhile to read English newspapers every day so she subscribed_to the 21st Century.
7．First of all, on_behalf_of all the members of our school, I'd like to express our heartfelt thanks to you and warmly wele to our school.
8．In my opinion, there is no standard for success. So_long_as we do our best and achieve our goals, then that is success.
9．Up to now, large quantities_of food have been sent to Africa to save the starving people.
10．How did it e_about that he failed the exam?
11．Everyone doesn't agree to the plan. Some support it while I'm one of those who are_opposed_to it.
12．On_the_whole,_our stay there was quite enjoyable.
Ⅳ.完成句子
1．The park was crowded, so it_took_us_some_time_to_find an available site.
公园里非常拥挤，所以我们花了一些时间才找到一个可以使用的地方。

2．Even_if/though one day I have nothing to do, I also do not lack the courage to start again.
即使有一天我一无所有，也不缺少从头再来的勇气。

3．I'll never understand how it came_about that you were an hour late on such a short journey.
我真不明白这么短的路程你怎么会迟到一个小时。

4．Don't mind what others say so_long_as we are confident in what we have done.
只要我们对所做的事情有信心就不要介意别人的话。

5．The floods have struck as_many_as_6_provinces in the south China.
在中国南方，受洪水袭击的省份多达6个。

Ⅴ.课文回顾
There is no doubt __1__ the earth is being warmer but there is a fierce debate over whether it is human activity that has caused this global warming __2__ it is just a natural phenomenon.
Many scientists like Dr. Janice Foster believe that people have caused __3__ increase in the earth's temperature by burning fossil fuels like coal, natural gas and oil to produce energy whose by-products __4__ (call) “greenhouse” gases, the most important one __5__ (be) carbon dioxide. These gases trap heat from the sun and therefore warm the earth, without __6__ the earth would be about thirty-three degrees Celsius cooler __7__ it is. But __8__ (increase) amount of extra carbon dioxide means that more heat energy is trapped in the atmosphere causing the global temperature to go up.
__9__ the other hand, scientists like George Hambley believe that any warming will be mild with few bad environmental consequences and more carbon dioxide is __10__(actual) a positive thing.
1．that 2.or 3.the 4.are_called 5.being 6.which
7．than8.increased9.On10.actually
Ⅵ.教材写作
假设你是中学生李华，最近你发现水资源短缺现象频现。

请你根据以下要点写一篇短文，介绍这一现象的原因并提出合理的解决措施。

1．原因：浪费和污染；气候变暖，降水减少；
2．措施：保护并充分利用水资源。

注意：1.请根据以上要点写一篇80词左右的短文；
2．可以适当增加细节，以使行文连贯。

Nowadays_the_water_on_the_earth_which_is_suitable_to_drink_is_b eing_less_and_less._How_has_it_e_about?_On_the_one_hand,_some_peo ple_waste_lots_of_water_in_their_daily_life._On_the_other_hand,_many_ factories_pour_quantities_of_polluted_water_into_rivers._Meanwhile,_glo bal_warming_results_in_less_rain_in_some_places._There_is_no_doubt_t hat_if_we_don't_want_to_put_up_with_thirst,_we_must_protect_and_mak e_the_most_of_water_resources_on_the_earth.
Ⅶ.课文概要写作
根据课文内容写一篇60词左右的内容概要。

No_doubt_that_the_earth_is_being_warmer_and_that_it_is_human_a ctivity_that_has_caused_global_warming.(要点1)Many_scientists_believe_people_have_caused_the_increase_in_the_eart h's_temperature_by_burning_fossil_fuels_to_produce_energy_whose_bypr oducts_are_called_“greenhouse”_gases.(要点2)On_the_other_hand,_some_scientists_believe_that_any_warming_will_h ave_few_bad_environmental_consequences_and_it_is_actually_a_positive _thing.(要点
3)No_one_really_knows_what_we_can_do_about_global_warming.(要点
4)。