高中英语 Unit 2 Period 1 Welcome to the unit Reading课件

本
B．people in high rainfall countries feel lucky
讲
栏
C．the costs of water redistribution should be considered
目
开
D．water can be easily carried through pipes across the
关
world
第五页，共41页。
Period One
解析 细节理解题，由文中第一段第二句“With 97% of the world’s water too salty to be drunk or used in agriculture...”可知 A 项错误；由第一段第三句“...strange to
讲 栏
[归纳拓展]
目 开
debate n. & vi.辩论；争论，讨论
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under debate 正在辩论中
beyond debate 无可争辩
debate 作动词时，后接名词、动名词或连接代(副)词引起的
不定式短语，不接 that 从句。
第十一页，共41页。
Period One
[语境助记]
(1)After a long debate，he was chosen captain of the team.
断__经__历__(_jī_n_g_lì_)着__水__资__源__的__短__缺_。_________________________
第十页，共41页。
Period One
Period One Welcome to the unit & Reading
Language Focus
本 1．Today’s debate question is...今天的辩题是……
use in dry areas and dry seasons ， the costs of water
redistribution(重新分配) are very high.Not only is there the
cost of the engineering itself，but there is also an environmental
follows?
A．Steps to improving water use management.
本
B．Ways to reduce the costs of building dams.
讲 栏
C．Measures to deal with worldwide water shortages.
目 开
D．Approaches to handling the pressure on water supply.
关 解析 推理判断题。文章前面一部分主要是讲述农业在利
用水资源过程中存在的问题，接下来应该是介绍加强水资
源管理的方法和措施，所以 A 项正确。 答案 A
第九页，共41页。
Period One
本 someone fortunate enough to live in a high rainfall
讲 栏
country...”可知 B 项不合文意；第二段前两句指出水资源的
目 开
重新分配的费用极高，一方面是水利过程本身的造价，另一方
关 面也会对生态造成极大的破坏，所以 C 项正确；根据第二段
本 讲
agriculture，the worldwide supply of water needs careful
栏 目
management，especially in agriculture.Although the idea of
开 关
a water shortage seems strange to someone fortunate
transported from one side of the world to the other.Each
country must therefore rely on the management of its own
water to supply its farming requirements.
本
way.
讲 栏
A．debated
B．argued
目 开
C．discussed
D．quarrelled
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解析 句意为：他争辩说可以用另外一种方法做这个实验。
argue 可接 that 从句，其他三项通常不接 that 从句。
第十四页，共41页。
Period One
2．Ms Lin suggested we should cut back on the quantity of
第十三页，共41页。
Period One
[题组训练]
(1)By now，who is winning ____is_b_e_y_o_n_d_d_e_b_a_t_e___(无可争辩)．
(2)He ____B____ that the experiment could be done in another
things we produce in order to save the environment. 为了保护环境，林女士建议我们减少生产的东西的数量。
本
[归纳拓展]
讲 栏
quantity n．数量
目 开
quantities of 大量的
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a quantity of 大量的
不管后面接复数还是单数(包括不可数)名词作主语，谓语动
讲 栏
of pumping will see them run dry.”可知 C 项正确；根据文章第
目 开
三段最后一句可知 D 项不正确。
关 答案 C
第八页，共41页。
Period One
3．What is most likely to be discussed in the paragraph that
25% reduction of the water stores.In the Central Valley area of
本 southwestern USA，a huge water engineering project provided
讲 栏
water for farming in dry valleys，but much of the water use has
本
讲 cost to be considered.Where valleys are flooded to create dams，
栏
目 houses are lost and wildlife homes destroyed.Besides，water
开 关
may flow easily through pipes to fields，but it cannot be
第四句“...it cannot be transported from one side of the world
to the other.”可知 D 项不正确。
答案 C
第六页，共41页。
Period One
2．Which of the following is TRUE?
A．The water stores in Texas have been reduced by 75%.
in the Central Valley.
第七页，共41页。
Period One
解析 细节理解题。根据文章第三段第二句“...has resulted in
a 25% reduction of the water stores.”可判断 A 项不正确；由第
本 一段最后一句可判断 B 项错误；由文章最后一句“...fifty years
enough to live in a high rainfall country，many of the
world’s agricultural industries experience constant water
shortages.
第二页，共41页。
Period One
Although dams can be built to store water for agricultural
本 讲 栏 目 开 关
第一页，共41页。
Period One
The need to feed a growing population is putting much
pressure on the world’s supply of water.With 97% of the
world’s water too salty to be drunk or used in
第三页，共41页。
Period One
This is particularly troubling for countries with
agricultural industries in areas dependent on irrigation.In Texas，farmers’ overuse of irrigation water has resulted in a
本
讲
Chinese.
栏 目
尽__管___(j_ǐn__g_u_ǎ_n_)_对__那__些__有__幸__生__活__在__降__水__量__高__的__国__家__的___人__来_说水资
开 关
_短__缺_很__不__可__思__议__，__但__是__世__界__(_sh_ì_j_iè_)_上__的__很__多_农__业__产__业__确__实__在不
fifty years of pumping will see them run dry.
第四页题
1．From the first two paragraphs we learn that
.
A．much of the world’s water is available for use
本 讲
经过长久讨论后，他被选为该队的队长。
栏 目
(2)The proposal is under debate.
开
那个提议还在讨论当中。
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(3)We are debating what to do next.
我们正在讨论下一步该怎么办。
第十二页，共41页。
Period One
debate，argue，discuss (1)debate“争论，辩论，讨论”，指正式的、慎重的辩论和争 论。通常由评判人裁决或按规则进行，由双方各自申述理由， “交锋”意味较强。 本 (2)argue“争论，论证”，以说理的方式摆出观点，或以激烈的
本
B．Most industries in the world suffer from water shortages.
讲 栏
C．The underground water in Saudi Arabia might run out in
目 开
50 years.
关 D．Good management of water use resulted from the project
目 开
been poorly managed.
关
Saudi Arabia’s attempts to grow wheat in desert areas
have seen the pumping of huge quantities of irrigation water
from underground reserves.Because there is no rainfall in these areas，such reserves can only decrease，and it is believed that
4．What’s the text mainly about?
_W__a_t_e_r_s_u_p_p_ly__a_n_d_i_n_c_r_ea_s_i_n_g_p_o_p_u_l_a_t_io_n_.____
5．Translate the underlined sentence in Paragraph 1 into
讲
栏 争论方式交换意见，以致争吵。
目
开 They are arguing with each other about money. 关 他们正在为钱吵嘴。
(3)discuss“讨论，商讨；辩论”，重在交换意见、进行讨论， 不含有意说服对方的意味。 I’ll discuss the problem with him later. 我等一会再跟他讨论这个问题。