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1、 Unit?3?Book?3?Environmental?Protection?---Reading?and?Thinking CLIMATE?CHANGE?REQUIRES?THE?WORLD'S?ATTENTION We?_1____________(know)?about?climate?change?for?decades.?There?is little?doubt?that?Earth?is?getting?warmer?and?warmer?(see?the?graph).?A?warming ocean?and?atmosphere?alo

2、ng?with?_2_________(melt)?ice?and?rising?sea?levels provide?evidence?of?a?dramatic?change?in?the?global?climate. In?2013,?a?lot?of?people?were?shocked?by?_3_____?news?photo?of?a?dead polar?bear?that?was?found?on?Norway's?Arctic?island?of?Svalbard.?According?to the?scientists?who?found?it

3、s?dead?body,?all?that?remained?_4________?the?polar bear?was?"skin?and?bones".?An?expert?who?_5_________(study)?polar?bears?for many?years?said?that?from?the?position?of?its?dead?body,?the?bear?appeared _6_____________(starve)?and?died.?Experts?claimed?that?low?sea-ice?levels caused?by?c

4、limate?change?meant?the?bear?could?not?hunt?seals?as?before,?so?it?had to?travel?greater?distances?in?order?to?find?food.?This?_7_____________(alarm) case?showed?how?the?increase?in?temperature?had?an?impact?_8________?Earth's ecology. Then?what?is?causing?the?increase?in?the?_9_________

5、____(globe)?average surface?temperature??Climate?scientists?often?mention?a?key?climate?process _10_____________(call)?the?"greenhouse?effect",?_11____________?has?two common?meanings:?the?"natural"?greenhouse?effect?and?the?"man-made" greenhouse?effect.?The?"natural"?greenhouse?effect?r

6、efers?to?the?tact?that?heat from?the?sun?enters?the?atmosphere?and?warms?Earth’s?surface?as?short-wave radiation.?The?heat?_12_____________(release)?back?into?space?at?longer?wave lengths.?Greenhouse?gases?in?the?atmosphere,?such?as?methane?and?carbon dioxide,?trap?some?of?the?heat,?_13_

7、____________(keep)?Earth?’s?climate?warm and habitable. Without this process, Earth could not sustain life. _14_____________,?the?"man-made’?greenhouse?effect?has?now?become?a?big problem.?When?people?produce?huge?amounts?of?extra?greenhouse?gases?by burning?fossil?fuels,?more?heat?energ

8、y?_15_____________(trap)?in?the 1?/?4 atmosphere?and?causes?Earth's?surface?temperature?to?rise?quickly. There?is?strong?and?comprehensive?evidence?_16____________?the?rise?in temperature?has?led?to?an?increase?in?extreme?weather?and?natural?disasters worldwide,?no

9、t?only?causing?serious?damage,?but?also?costing?human?lives. Climate?scientists?have?warned?that?_17___________?we?do?not?take?appropriate actions,?this?warming?trend?will?_18_____________(probable)?continue?and there?will?be?a?higher?price?to?pay.?In?fact,?news?reports?are?frequently?broad

10、cast about extreme rainstorms and heatwaves causing deaths and _19___________(economy)?losses. _20____________(continue) greenhouse gas emissions will result _21_____?further?warming?and?long-lasting?changes?to?the?global?climate.?This requires?the?attention?of?people?all?over?the?wor

11、ld.?Governments?need?to?consider making policies and taking appropriate actions and measures _22____________(reduce)?greenhouse?gas?emissions.?We?as?individuals?can?also reduce?our?"carbon?footprint"?by?restricting?the?amount?of?carbon?dioxide?our lifestyles?produce.?It?is?our?responsibi

12、lity?to?seize?every?opportunity _23____________(educate)?everyone?about?global?warming,?along?with?its causes and impacts, because this is the most serious issue _24___________(affect)?all?of?us?on?this?planet.?_25________?what?will?you?do to?help? REDUCING?WATER?POLLUTION?IN?THE?

13、LI?RIVER The?beautiful?Li?River?and?its?_1________________(amaze)?surrounding scenery?is?one?of?the?most?well-known?tourist?_2________________(destination) in?China's?Guangxi?Zhuang?Autonomous?Region.?It?attracts?millions?of?domestic and?foreign?visitors?each?year.?_3________________,?it

14、s?reputation?as?a?top destination?has?had?negative?effects?_4________?the?river's?water?quality.?This report?looks?at?the?problem?of?water?pollution?and?some?actions?that _5________________(take)?to?deal?with?it. 2?/?4 _6________________(previous),?water?quality?in

15、?the?Li?River?had?suffered greatly?from?an?_7________________(increase)?volume?of?tourists,?many?of _8____________?frequently?threw?garbage?into?the?river.?Many?tour?boats contributed?_9__________?the?problem?too.?Kitchens?on?board?were?using?lots of?oil,?which?was?often?thrown?into?the?

16、water.?The?growth?in?tourism?also _10________________(mean)?the?local?population?rose?rapidly,?as?well?as?the number?of?commercial?and?industrial?enterprises.?Water?pollution?levels increased, with more household and commercial waste _11________________(end)?up?in?the?river.?In?order?to?

17、feed?more?people,?more chemicals?were?used?to?increase?crop?production.?These?chemicals?led?to?severe water?quality?issues,?_12________________(cause)?a?decrease?in?the?number?of fish species. Local officials were concerned that the pollution _13________________(damage)?the?natural?envir

18、onment?and?felt?that?urgent steps?should?be?taken?to?restore?the?river's?original?beauty. A?comprehensive?initiative?was?started,?with?a?number?of?measures?that _14________________(address)?the?issues.?The?construction?of?waste?water treatment?facilities?improved?the?water?quality?and?wa

19、ter?conservation.?The collection and transport of household waste was also improved. _15________________(dozen)?of?polluting?enterprises?were?closed?or?moved. The?local?government?set?up?strict?regulations?_16________________(regard) further?industrial?development.?New?rules?were?also?in

20、troduced?regarding?tour boat?routes?and?garbage?_17________________(dispose)?methods.?Furthermore, the?local?authorities?began?to?use?the?media?to?spread?environmental?awareness and?encourage?_18________________(great)?use?of?clean?energy.?At?the?same time,?they?started?to?carry?out?insp

21、ections?regularly?and?fine?tourist?organisations _19___________?abuses.?With?these?measures,?it?is?believed?that?the?beauty?of the?Li?River?_20________________(preserve)?for?generations?to?come. In?addition,?the?ambitious?"Water?Ten?Plan"?is?also?now?tackling?water pollution?across?the?c

22、ountry.?Other?initiatives,?such?as?the?"River?Chief?System", 3?/?4 hold?senior?officials?_21________________(response)?for?reducing?water pollution.?_22___________?such?campaigns?in?effect,?China's?waterways?are heading?towards?a?clean?and?sustainable?future. 4?/?4