Many of the world's pollution problems have been caused by the crowding of large groups of people into the cities．Supply for the needs of the people leads to further by industry．If the rapid increas 题目和参考答案——青夏教育精英家教网—

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Many of the world's pollution problems have been caused by the crowding of large groups of people into the cities．Supply for the needs of the people leads to further      by industry．If the rapid increase of world population continues at the present rate, there may be much greater      to human beings．
Some scientists speak of the increase in numbers of people as "population pollution''．
About 2,000 years ago, the world population was about 250 million．It       a billion in 1850．By 1930 the population was two billion．It is now six billon．It is      to double by the year 2020．If the population continues to grow at the same rate, there will be 25 billion people in the       a hundred years from now．
Man has been      the earth's resources more and more       over the past years．Some of them are almost gone．Now many people believe that man's greatest problem is how to control the       of the population．The material supplies in the world will be far from enough to       the human population if the present rate of increase continues．
There is already over-crowding in many cities and starvation in some countries．Many people believe that human survival in the future       on the answer to the question．

小题1:

A．progress

B．pollution

C．education

D．production

小题2:

A．danger

B．harm

C．benefit

D．hardship

小题3:

A．got

B．took

C．brought

D．reached

小题4:

A．suggested

B．hoped

C．expected

D．said

小题5:

A．world

B．country

C．star

D．end

小题6:

A．discovering[

B．using

C．digging

D．destroying

小题7:

A．seriously

B．dangerously

C．rapidly

D．steadily

小题8:

A．existence

B．start

C．growth

D．birth

小题9:

A．increase

B．starve

C．construct

D．support

小题10:

A．depends

B．agrees

C．saves

D．passes

小题1:B
小题2:B
小题3:D
小题4:C
小题5:A
小题6:B
小题7:C
小题8:C
小题9:D
小题10:A

试题分析：世界人口问题往往是由大量人口涌入城市造成的。城市人口的增长给城市的交通，设施等带来了巨大的压力。人口的迅速增长和对地球资源的不合理利用也使得自然资源濒临枯竭，人类未来的生存取决于人们如何去解决这些问题。
小题1:B名词辨析。A．进步；B．污染；C．教育；D．产品。根据前句内容Many of the world's pollution problems have been caused by…….可知人口大量涌入城市造成了污染问题，而再根据空前的further推断此处讲这些人们的需求造成进一步的污染，故答案选B。
小题2:B名词辨析。A．危险；B．伤害；C．益处；D．苦难。从情理可知污染会给人带来危害，故答案选B.
小题3:D。动词辨析。A．得到；B．带走；C．带来；D．到达。前句内容提到在2000年以前人口是250million，从1850年人口增长到十亿应该用动词“达到”，故答案选D。
小题4:C。动词辨析。A．建议；B．希望；C．期望；D．说。从上文的数字可以看出世界人口是一直在增长，所以下文是推断2020的人口数，故答案选C。
小题5:A。名词辨析。A．世界；B．国家；C．星；D．结尾。根据上文内容可知文章讲述的是世界人口问题，所以答案选A。
小题6:B。动词辨析。A．发现；B．使用；C．挖；D．毁灭。从下文内容Some of them are almost gone可以推断此处指人们对资源的使用，故答案选B。
小题7:C。副词辨析。A．严肃地；B．危险地；C．迅速地；D．牢固地。根据前后句内容可知资源的枯竭是由于人们对资源的过度使用造成的，故答案选C。
小题8:C。名词辨析。A．存在；B．开始；C．生长；D．出生。上文提到人口的急剧增长带来了很多问题，由此判断如果想要解决资源问题，就要控制人口的增长，故答案选C。
小题9:D。动词辨析。A．增加；B饿死；C．建造；D．支持。根据上文内容可知世界资源匮乏，所以不能供给更多人口去利用，故答案选D。
小题10:A。动词辨析。A．依靠；B．同意；C．节约；D．通过。从情理判断环境污染问题会直接影响着人类的未来，换句话说，对环境污染的解决情况就决定着人类未来的生存，故答案选A。

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小题1:

A．happiness	B．nervousness
C．calmness	D．sadness

小题2:

A．amazing	B．disappointing
C．tiring	D．freezing

小题3:

A．seats	B．walls
C．floors	D．hearts

小题4:

A．seeing	B．taking
C．checking	D．preparing

小题5:

A．looking	B．pacing
C．making	D．showing

小题6:

A．comprehension	B．thinking
C．guessing	D．recitation

小题7:

A．bringing in	B．putting down
C．picking up	D．showing off

小题8:

A．kindly	B．slightly
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小题9:

A．door	B．direction
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A．finding	B．praying
C．deciding	D．imagining

小题11:

A．terrible	B．great
C．sure	D．no

小题12:

A．frightened	B．worried
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小题13:

A．However	B．Therefore
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A．carried away	B．worn out
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A．suddenly	B．totally
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A．reading	B．sleeping
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小题17:

A．right	B．ready
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A．hope	B．joy
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小题19:

A．relief	B．hunger
C．strength	D．courage

小题20:

A．attempt	B．fact
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小题1:

A．interested

B．pleased

C．puzzled

D．excited

小题2:

A．parties

B．cities

C．villages

D．races

小题3:

A．why

B．which

C．how

D．when

小题4:

A．together

B．around

C．alone

D．apart

小题5:

A．drop

B．throw

C．move

D．roll

小题6:

A．refused

B．made

C．sought

D．accepted

小题7:

A．paid

B．meant

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小题8:

A．explore

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小题9:

A．get through

B．deal with

C．come across

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小题10:

A．arrival

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A．lost

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A．attempts

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A．anxiously

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A．familiarly

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A．departures

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C．years

D．decades

小题17:

A．possible

B．funny

C． hard

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小题18:

A．them

B．themselves

C．us

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小题19:

A．from

B．by

C． with

D．against

小题20:

A．still

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小题1:

A．social

B．traveling

C．physical

D．housing

小题2:

A．former

B．medical

C．scientific

D．final

小题3:

A．challenge

B．chance

C．success

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小题4:

A．ahead

B．fast

C．easy

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小题5:

A．appreciating

B．knowing

C．visiting

D．leaving

小题6:

A．Since

B．Although

C．Once

D．Unless

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A．necessary

B．strange

C．important

D．obvious

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A．right

B．same

C．opposite

D．general

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A．got off

B．ran into

C．looked at

D．waited for

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A．gentleman

B．stranger

C．friend

D．driver

小题11:

A．Surprisingly

B．Especially

C．Normally

D．Probably

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A．OK

B．dangerous

C．nervous

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A．aim

B．idea

C．situation

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A．station

B．direction

C．apartment

D．appointment

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A．disappointed

B．certain

C．grateful

D．afraid

小题16:

A．Perhaps

B．Without doubt

C．Right away

D．Then

小题17:

A．waving(招手)

B．shouting

C．staring(盯着)

D．laughing

小题18:

A．bike

B．guidance

C．drive

D．suggestion

小题19:

A．kindness

B．news

C．appearance

D．results

小题20:

A．hope

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小题1:

A．eventually

B．occasionally

C．usually

D．apparently

小题2:

A．excited

B．willing

C．interested

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小题3:

A．official

B．manager

C．salesman

D．dustman

小题4:

A．hopefully

B．probably

C．simply

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小题5:

A．wore

B．put

C．tried

D．dressed

小题6:

A．took

B．spent

C．cost

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小题7:

A．mistake

B．secret

C．memory

D．reputation

小题8:

A．another

B．one

C．the other

D．other

小题9:

A．status

B．look

C．direction

D．statue

小题10:

A．in spite of

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科目：高中英语 来源：不详 题型：阅读理解

Water runs downhill from mountaintops to streams to rivers to oceans. But downhill isn’t the only way that water moves .A new study measures how water travels from country to country for human consumption. This flow isn’t the type we usually think about .These scientists looked at the water used to grow and make the products which get shipped from nation to nation as imports or exports. They call this a flow of“virtual water（虚拟水）”.
We typically think about water as the liquid that flows from a tap. However,92％of the water used by people goes into growing crops，according to water researcher Arjen Hoekstra. He recently studied the hidden travels of virtual water used in products made from things like crops and meats .These products are shipped around the world.
For example．consider a sugary soft drink. Hoekstra estimated that to produce one half-liter of the drink requires between 170 and 310litersofthewater—about 95％—is used to grow and process the ingredients(原料).Another 4％goes into the packaging and labeling. In Hoekstra’s calculation, when one country produces a half-liter of soda and sells it abroad，it exports as much virtual water as would fill a large refrigerator．
According to Hoekstra’s new report，dry countries like Israel and Kuwait，both in the Middle East, get the majority of their virtual water from other countries，through imported products. More surprisingly, some wetter countries，like the Netherlands and the United Kingdom, also get the majority of their virtual water from other places. That means that most of the water used to grow or produce the products and food consumed in those countries came from other countries.
In the United States most of the virtual water used comes from American sources .In China even less of the water associated with its products
小题1:What is the best title for the passage?

A．Crops and Virtual Water	B．Import and Export of Water
C．Benefits of Virtual Water	D．Water’s worldwide travels

小题2:The first paragraph is intended to talk about__________.

A．how water flows

B．what virtual water is

C．where virtual water exists

D．why water is imported and exported

小题3:The example of a sugary soft drink in Paragraph 3 is given to show_________.

A．how drinks are made	B．how virtual water is used
C．how virtual water is exported	D．how drinks are shipped

小题4:In which countries does most part of virtual water come from outside?

A．lsrael and America	B．America and the Netherlands
C．China and the United Kingdom	D．Kuwait and the Netherlands

小题5:The passage is most probably a_________.

A．science news report	B．book review
C．newspaper advertisement	D．science fiction story

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