1、译林版必修第三册 unit2 提升综合练 .阅读理解 Global warming is the increase of the earths average surface temperature due to the effect of greenhouse gases，for example，carbon dioxide，which traps heat that would otherwise escape from the earth.After the trees are cut down and more greenhouse gases are released，the “bl
2、anket” around the earth called the ozone layer(臭氧层)，will get thicker.This catches more heat and makes the earth hotter.Luckily，there are many things that every citizen of the earth can do to help reduce the effects of global warming，and its never too late or too early for children to take action. Th
3、e children should learn what a carbon footprint is.A carbon footprint is the amount of carbon and greenhouse gases people make as they lead the daily life and go about the normal activities.In other words，the carbon footprint is a measure of the environmental impact the life has.To live an environme
4、ntally friendly life that doesnt contribute to global warming，people want to have the smallest carbon footprint possible. Almost everything people do contributes to global warming and is related to fossil fuel consumption.These can be direct uses of fossil fuels，like riding in a gasolinepowered car，
5、or indirect contributions to greenhouse gases，such as eating fruits or vegetables that have to be shipped from far way to reach their tables. If a child wants to make a contribution to reducing global warming，he should ride a bicycle to the near park， school， his friends house， or anywhere else inst
6、ead of taking the car.Or he may try to walk or jog，which is also helpful.In addition，although trains and buses often run on fossil fuels，on average，each person uses less energy and produces less pollution to run.Next time if children with their parents have to get around town or its too far to walk
7、or bike，take the bus or other public transportation instead of asking for a ride. 1What is the first paragraph mainly about? AAbrief description of carbon footprint. BThe causes of global warming. CThe protection of ozone layer. DThe serious water pollution. 2Which of the following can describe the
8、carbon footprint? AUseless.BAttractive. CExpensive.DHelpful. 3What can kids do if they want to help reduce global warming? AGo to the near park by bus. BWalk or cycle as much as possible. CEating fruits from far away. DGo around the town with parents by car. 4What can be a suitable title for the tex
9、t? AWhat Can People Do to Use Less Energy? BHow Does Carbon Footprints Measure Pollution? CHow Can Kids Help Reduce Global Warming? DWhy Global Warming Affects Humans Life? 答案BDBC .完形填空 When I was in middle school，I got mad at my parents because they would never give anything to the homeless that pa
10、ssed by us. On a family vacation in Washington DC.，there was a homeless man down the street.My family walked past with our eyes at our feet.On our final day in the city，when my1went for an evening walk，I ran out of our hotel room2and ran down the street to the homeless man. He looked at me with curi
11、osity(好奇)， surely not3anything from a middle school girl.I asked him what he would have for dinner.He replied he would have hamburgers. I ran into the grocery store down the block and4five hamburgers and many other foods.I ran back with a grin(咧嘴笑)on my face and5the grocery bags full of food to him.
12、His6has been in my mind ever since. I ran back to the hotel as soon as possible.When my parents7，my dad told me he had a 8for me.He asked if I still9the homeless man down the street from our hotel and I shyly 10.He then told me，with a grin on his face，a story of how as they were returning from their
13、 walk the homeless man was11grocery bags full of food with other homeless people around and they were all smiling and laughing as they12.I smiled at my dad but never to this day have I told him the13story of that homeless man. I still havent forgotten that mans smile but I wish I had the14to do this
14、 more often.One15fearless act by a middle school girl can begin a series of effect of smiles and dignity(尊严) 1A.parentsBbrothers CstudentsDclassmates 2A.frequentlyBsecretly CluckilyDcarefully 3A.losingBorganizing CtakingDexpecting 4A.borrowedBbought CcookedDstole 5A.lentBposted CsoldDhanded 6A.sorro
15、wBconcern CangerDsmile 7A.returnedBrecognized CdiscoveredDarrived 8A.presentBbook CrewardDstory 9A.missedBremembered CignoredDhated 10A.promisedBshocked CnoddedDexplained 11A.collectingBpacking CacceptingDsharing 12A.playedBbegged CateDwalked 13A.trueBmoving CsadDfond 14A.determinationBcourage Cconf
16、idenceDrequest 15A.funnyBsmall CinterestingDcrazy 115 ABDBD DADBC DCABB .语法填空 Rising sea levels are likely to reduce half of the worlds beaches by the end of this century.Climate scientists predict that 50% of beaches along the worlds coastlines will probably disappear over the next eight decades if
17、 climate change 1.(continue)on its current path.They warned that the shorelines of many 2.(crowd)areas and tourist hot spots are threatened by erosion(侵蚀) from climate change and 3.(sharp)rising sea levels.Areas at risk of 4.(disappear)forever include the popular beaches in Australias Surfers Paradi
18、se，5.islands of Hawaii and the Costa del Sol in Spain. It is reported 6.countries like The Gambia and GuineaBissau in Africa are predicted to lose over 60% of their beaches.7.(compare)with other nations，the nation to be worst affected is Australia，8.12,000 km of coastlines could end up underwater fo
19、rever.Large numbers of beaches in the world are being eroded.This could result in the near 9. (extinct) of beaches by the end of the century.The researchers said we could reduce emissions and manage our coastlines better 10.(save) beaches. 1continues 2crowded 3sharply 4disappearing/disappearance 6that 7Compared 8where/whose 9extinction 10to save
