高考一轮复习人类自然与环境话题英语词汇练习资料

高考一轮复习人类自然与环境话题英语词汇练习资料一、英汉汉英单词对照（附音标和词性）英文单词/短语音标词性中文释义province/ˈprɒvɪns/（英）/ˈprɑːvɪns/（美）n.省；行政区state/steɪt/n./v.n.州；状态；v.陈述；说明region/ˈriːdʒən/n.地区；范围district/ˈdɪstrɪkt/n.管区；行政区countryside/ˈkʌntrisaɪd/n.乡村；农村downtown/ˌdaʊnˈtaʊn/n./adv./adj.n.商业区；市中心；adv.在/往市中心；adj.商业区的；市区的boundary/ˈbaʊndri/n.边界；分界线frontier/ˈfrʌntɪə(r)/n.边境；前沿；边界county/ˈkaʊnti/n.县；郡earthquakezone/ˈɜːθkweɪkzəʊn/（英）/ˈɜːrθkweɪkzoʊn/（美）n.地震带foreignterritory/ˈfɒrənˈterətri/（英）/ˈfɔːrənˈterətɔːri/（美）n.外国领土；异域citizen/ˈsɪtɪzn/n.公民；市民；居民gender/ˈdʒendə(r)/n.性别humanbehavior/activity/ˈhjuːmənbɪˈheɪvjə(r)///ˈhjuːmənækˈtɪvəti/n.人类行为/活动agingpopulation/ˈeɪdʒɪŋˌpɒpjuˈleɪʃn/（英）/ˈeɪdʒɪŋˌpɑːpjuˈleɪʃn/（美）n.老龄化人口large/sparsepopulation/lɑːdʒˌpɒpjuˈleɪʃn///spɑːsˌpɒpjuˈleɪʃn/(英)/lɑːrdʒˌpɑːpjuˈleɪʃn///spɑːrsˌpɑːpjuˈleɪʃn/(美)n.人口众多/稀少rural/urbanresidents/ˈrʊərəlˈrezɪdənts///ˈɜːbənˈrezɪdənts/（英）/ˈrʊrəlˈrezɪdənts///ˈɜːrbənˈrezɪdənts/（美）n.农村/城市居民liveinthesuburbs/lɪvɪnðəˈsʌbɜːbz/（英）/lɪvɪnðəˈsʌbɜːrbz/（美）短语住在郊区liveinpoverty/lɪvɪnˈpɒvəti/（英）/lɪvɪnˈpɑːvərti/（美）短语过着穷苦的生活bring/get…undercontrol/brɪŋ//ɡet…ˈʌndəkənˈtrəʊl/（英）/brɪŋ//ɡet…ˈʌndərkənˈtroʊl/（美）短语控制住……ashore/əˈʃɔː(r)/adv.在岸上；上岸coastline/ˈkəʊstlaɪn/(英)/ˈkoʊstlaɪn/(美)n.海岸线harbor/harbour/ˈhɑːbə(r)/（英）/ˈhɑːrbər/（美）n.港口；港湾strait/streɪt/n.海峡bay/beɪ/n.海湾wetland/ˈwetlænd/n.湿地；沼泽地bank/bæŋk/n.河岸；河堤；银行onshore/ɒnʃɔː(r)/（英）/ɑːnʃɔːr/（美）短语在岸上onthecoast/ɒnðəkəʊst/(英)/ɑːnðəkoʊst/(美)短语在海岸上attheseaside/ætðəˈsiːsaɪd/短语在海滨；在海边continent/ˈkɒntɪnənt/(英)/ˈkɑːntɪnənt/(美)n.洲；大陆valley/ˈvæli/n.山谷；溪谷；流域range/reɪndʒ/n.&v.n.山脉；范围；系列；v.变化；排列；延伸plain/pleɪn/n.平原；旷野mountainside/ˈmaʊntɪnsaɪd/n.山腰；山坡hillside/ˈhɪlsaɪd/n.山坡；山腰downhill/ˌdaʊnˈhɪl/adv.向山下；下坡；每况愈下mountainous/ˈmaʊntɪnəs/adj.多山的；山区的steep/stiːp/adj.陡峭的；险峻的；急剧的oilfield/ɔɪlfiːld/n.油田thenorthfaceofthemountain/ðənɔːθfeɪsɒvðəˈmaʊntɪn/（英）/ðənɔːrθfeɪsəvðəˈmaʊntn/（美）短语山的北坡highlandregions/ˈhaɪləndˈriːdʒənz/短语高地地区；高原地带quiet/ˈkwaɪət/adj.宁静的；寂静的；安静的shadow/ˈʃædəʊ/（英）/ˈʃædoʊ/（美）n.&v.n.阴暗处；影子；阴影；坏影响；v.在……上投下/覆盖阴影；跟踪shade/ʃeɪd/n.&v.n.阴凉处；（色彩的）浓淡；暗部；阴影部分；v.遮挡（光线）；涂暗cover/ˈkʌvə(r)/v.（树叶、植物等）完全覆盖；铺满；覆盖；包含beautify/ˈbjuːtɪfaɪ/v.美化；使美丽blanket/ˈblæŋkɪt/n.&v.n.毯子；毛毯；v.覆盖；笼罩skirt/skɜːt/（英）/skɜːrt/（美）n.&v.n.裙子；v.绕过；避开；位于……边缘envelop/ɪnˈveləp/v.包裹；包围；笼罩denseforest/thickfog/densˈfɒrɪst//θɪkfɒɡ/（英）/densˈfɔːrɪst//θɪkfɔːɡ/（美）短语茂密的森林/浓雾arayofsunlight/əreɪɒvˈsʌnlaɪt/（英）/əreɪəvˈsʌnlaɪt/（美）短语一缕阳光snowcapped/blanketedpeaks/snəʊˈkæpt/ˈblæŋkɪtɪdpiːks/(英)/snoʊˈkæpt/ˈblæŋkɪtɪdpiːks/(美)短语积雪皑皑的山峰castlight/shadow/kɑːstlaɪt/ˈʃædəʊ/（英）/kæstlaɪt/ˈʃædoʊ/（美）短语投射光线/阴影adelicate/pale/rich/softshadeofred/əˈdelɪkət/peɪl/rɪtʃ/sɒftʃeɪdɒvred/（英）/əˈdelɪkət/peɪl/rɪtʃ/sɔːftʃeɪdəvred/（美）短语淡/浅/艳/柔和的红色threaten/ˈθretn/v.威胁；预示（……的）凶兆consequence/ˈkɒnsɪkwəns/（英）/ˈkɑːnsɪkwens/（美）n.结果；后果；重要性bare/beə(r)/（英）/ber/（美）adj.赤裸的；光秃的；空的；无装饰的radiation/ˌreɪdiˈeɪʃn/n.辐射；放射线smog/smɒɡ/（英）/smɑːɡ/（美）n.烟雾（烟与雾的混合物）householdwaste/ˈhaʊshəʊldweɪst/（英）/ˈhaʊshoʊldweɪst/（美）n.生活垃圾shortageoffood/water/housing/ˈʃɔːtɪdʒɒvfuːd/ˈwɔːtə(r)/ˈhaʊzɪŋ/（英）/ˈʃɔːrtɪdʒəvfuːd/ˈwɔːtər/ˈhaʊzɪŋ/（美）短语食物/用水/住房短缺air/noise/water/lightpollution/eə(r)/nɔɪz/ˈwɔːtə(r)/laɪtpəˈluːʃn/（英）/er/nɔɪz/ˈwɔːtər/laɪtpəˈluːʃn/（美）短语空气/噪声/水/光污染naturalphenomenon/ˈnætʃrəlfɪˈnɒmɪnən/（英）/ˈnætʃrəlfɪˈnɑːmɪnən/（美）n.自然现象（复数：phenomena）eabout/kʌməˈbaʊt/短语（尤指未经计划地）发生；产生climatechange/ˈklaɪməttʃeɪndʒ/短语气候变化poseathreat/danger/risk(to/for)/pəʊzəθret/ˈdeɪndʒə(r)/rɪsk(tuː/fɔː(r))/（英）/poʊzəθret/ˈdeɪndʒər/rɪsk(tuː/fɔːr)/（美）短语（对……）构成威胁/危险/风险acidrain/ˈæsɪdreɪn/n.酸雨carbondioxide/ˈkɑːbəndaɪˈɒksaɪd/（英）/ˈkɑːrbəndaɪˈɑːksaɪd/（美）n.二氧化碳carbonemission/ˈkɑːbənɪˈmɪʃn/（英）/ˈkɑːrbənɪˈmɪʃn/（美）n.碳排放carbonfootprint/ˈkɑːbənˈfʊtprɪnt/（英）/ˈkɑːrbənˈfʊtprɪnt/（美）n.碳足迹（指个人/组织的温室气体排放量）advocate/ˈædvəkeɪt/（v.）/ˈædvəkət/（n.）v./n.v.提倡；主张；n.拥护者；倡导者conservation/ˌkɒnsəˈveɪʃn/（英）/ˌkɑːnsərˈveɪʃn/（美）n.（自然资源的）保护；管理recycle/ˌriːˈsaɪkl/v.（使）再循环；回收利用atmosphere/ˈætməsfɪə(r)/（英）/ˈætməsfɪr/（美）n.大气层；环境；气氛fuel/ˈfjuːəl/n./v.n.燃料；v.（给……）加燃料；增强；刺激pure/pjʊə(r)/（英）/pjʊr/（美）adj.纯的；纯净的；纯粹的ewaste/ˈiːweɪst/n.电子垃圾save/protect…from(doing)sth./seɪv/prəˈtekt…frəm(ˈduːɪŋ)sth/（英）/seɪv/prəˈtekt…frəm(ˈduːɪŋ)sth/（美）短语使某人/物免于（做）某事environmentalprotection/ɪnˌvaɪrənˈmentlprəˈtekʃn/短语环境保护beawareof/biəˈweə(r)ɒv/（英）/biəˈwerəv/（美）短语意识到；觉察到environmentalawareness/ɪnˌvaɪrənˈmentləˈweənəs/（英）/ɪnˌvaɪrənˈmentləˈwerənəs/（美）短语环境意识sb./sth.stop/keepsb./sth.fromdoingsth./prɪˈvent/stɒp/kiːpsb./sth.frəmˈduːɪŋsth/（英）/prɪˈvent/stɑːp/kiːpsb./sth.frəmˈduːɪŋsth/（美）短语阻止某人/某物做某事keepthebalancebetween…and…/kiːpðəˈbælənsbɪˈtwiːn…ənd…/短语保持……与……的平衡lowcarbon/renewableenergy/ləʊˈkɑːbən/rɪˈnjuːəblˈenədʒi/（英）/loʊˈkɑːrbən/rɪˈnuːəblˈenərdʒi/（美）短语低碳/可再生能源takeaction/measures/steps/teɪkˈækʃn/ˈmeʒəz/steps/短语采取行动/措施makeadifference/meɪkəˈdɪfrəns/短语有作用；有影响environmentallyfriendly/ɪnˌvaɪrənˈmentəliˈfrendli/adj.环保的；对环境友好的naturalresources/ˈnætʃrəlrɪˈsɔːsɪz/（英）/ˈnætʃrəlrɪˈsɔːrsɪz/（美）n.自然资源naturalgas/ˈnætʃrəlɡæs/n.天然气solarenergy/ˈsəʊlə(r)ˈenədʒi/（英）/ˈsoʊlərˈenərdʒi/（美）n.太阳能sustainabledevelopment/səˈsteɪnəbldɪˈveləpmənt/（英）/səˈsteɪnəbldɪˈveləpmənt/（美）n.可持续发展默写：英文单词/短语音标词性中文释义/ˈprɒvɪns/（英）/ˈprɑːvɪns/（美）n.省；行政区/steɪt/n./v.n.州；状态；v.陈述；说明/ˈriːdʒən/n.地区；范围/ˈdɪstrɪkt/n.管区；行政区/ˈkʌntrisaɪd/n.乡村；农村/ˌdaʊnˈtaʊn/n./adv./adj.n.商业区；市中心；adv.在/往市中心；adj.商业区的；市区的/ˈbaʊndri/n.边界；分界线/ˈfrʌntɪə(r)/n.边境；前沿；边界/ˈkaʊnti/n.县；郡/ˈɜːθkweɪkzəʊn/（英）/ˈɜːrθkweɪkzoʊn/（美）n.地震带/ˈfɒrənˈterətri/（英）/ˈfɔːrənˈterətɔːri/（美）n.外国领土；异域/ˈsɪtɪzn/n.公民；市民；居民/ˈdʒendə(r)/n.性别/ˈhjuːmənbɪˈheɪvjə(r)///ˈhjuːmənækˈtɪvəti/n.人类行为/活动/ˈeɪdʒɪŋˌpɒpjuˈleɪʃn/（英）/ˈeɪdʒɪŋˌpɑːpjuˈleɪʃn/（美）n.老龄化人口/lɑːdʒˌpɒpjuˈleɪʃn///spɑːsˌpɒpjuˈleɪʃn/(英)/lɑːrdʒˌpɑːpjuˈleɪʃn///spɑːrsˌpɑːpjuˈleɪʃn/(美)n.人口众多/稀少/ˈrʊərəlˈrezɪdənts///ˈɜːbənˈrezɪdənts/（英）/ˈrʊrəlˈrezɪdənts///ˈɜːrbənˈrezɪdənts/（美）n.农村/城市居民/lɪvɪnðəˈsʌbɜːbz/（英）/lɪvɪnðəˈsʌbɜːrbz/（美）短语住在郊区/lɪvɪnˈpɒvəti/（英）/lɪvɪnˈpɑːvərti/（美）短语过着穷苦的生活/brɪŋ//ɡet…ˈʌndəkənˈtrəʊl/（英）/brɪŋ//ɡet…ˈʌndərkənˈtroʊl/（美）短语控制住……/əˈʃɔː(r)/adv.在岸上；上岸/ˈkəʊstlaɪn/(英)/ˈkoʊstlaɪn/(美)n.海岸线/ˈhɑːbə(r)/（英）/ˈhɑːrbər/（美）n.港口；港湾/streɪt/n.海峡/beɪ/n.海湾/ˈwetlænd/n.湿地；沼泽地/bæŋk/n.河岸；河堤；银行/ɒnʃɔː(r)/（英）/ɑːnʃɔːr/（美）短语在岸上/ɒnðəkəʊst/(英)/ɑːnðəkoʊst/(美)短语在海岸上/ætðəˈsiːsaɪd/短语在海滨；在海边/ˈkɒntɪnənt/(英)/ˈkɑːntɪnənt/(美)n.洲；大陆/ˈvæli/n.山谷；溪谷；流域/reɪndʒ/n.&v.n.山脉；范围；系列；v.变化；排列；延伸/pleɪn/n.平原；旷野/ˈmaʊntɪnsaɪd/n.山腰；山坡/ˈhɪlsaɪd/n.山坡；山腰/ˌdaʊnˈhɪl/adv.向山下；下坡；每况愈下/ˈmaʊntɪnəs/adj.多山的；山区的/stiːp/adj.陡峭的；险峻的；急剧的/ɔɪlfiːld/n.油田/ðənɔːθfeɪsɒvðəˈmaʊntɪn/（英）/ðənɔːrθfeɪsəvðəˈmaʊntn/（美）短语山的北坡/ˈhaɪləndˈriːdʒənz/短语高地地区；高原地带/ˈkwaɪət/adj.宁静的；寂静的；安静的/ˈʃædəʊ/（英）/ˈʃædoʊ/（美）n.&v.n.阴暗处；影子；阴影；坏影响；v.在……上投下/覆盖阴影；跟踪/ʃeɪd/n.&v.n.阴凉处；（色彩的）浓淡；暗部；阴影部分；v.遮挡（光线）；涂暗/ˈkʌvə(r)/v.（树叶、植物等）完全覆盖；铺满；覆盖；包含/ˈbjuːtɪfaɪ/v.美化；使美丽/ˈblæŋkɪt/n.&v.n.毯子；毛毯；v.覆盖；笼罩/skɜːt/（英）/skɜːrt/（美）n.&v.n.裙子；v.绕过；避开；位于……边缘/ɪnˈveləp/v.包裹；包围；笼罩/densˈfɒrɪst//θɪkfɒɡ/（英）/densˈfɔːrɪst//θɪkfɔːɡ/（美）短语茂密的森林/浓雾/əreɪɒvˈsʌnlaɪt/（英）/əreɪəvˈsʌnlaɪt/（美）短语一缕阳光/snəʊˈkæpt/ˈblæŋkɪtɪdpiːks/(英)/snoʊˈkæpt/ˈblæŋkɪtɪdpiːks/(美)短语积雪皑皑的山峰/kɑːstlaɪt/ˈʃædəʊ/（英）/kæstlaɪt/ˈʃædoʊ/（美）短语投射光线/阴影/əˈdelɪkət/peɪl/rɪtʃ/sɒftʃeɪdɒvred/（英）/əˈdelɪkət/peɪl/rɪtʃ/sɔːftʃeɪdəvred/（美）短语淡/浅/艳/柔和的红色/ˈθretn/v.威胁；预示（……的）凶兆/ˈkɒnsɪkwəns/（英）/ˈkɑːnsɪkwens/（美）n.结果；后果；重要性/beə(r)/（英）/ber/（美）adj.赤裸的；光秃的；空的；无装饰的/ˌreɪdiˈeɪʃn/n.辐射；放射线/smɒɡ/（英）/smɑːɡ/（美）n.烟雾（烟与雾的混合物）/ˈhaʊshəʊldweɪst/（英）/ˈhaʊshoʊldweɪst/（美）n.生活垃圾/ˈʃɔːtɪdʒɒvfuːd/ˈwɔːtə(r)/ˈhaʊzɪŋ/（英）/ˈʃɔːrtɪdʒəvfuːd/ˈwɔːtər/ˈhaʊzɪŋ/（美）短语食物/用水/住房短缺/eə(r)/nɔɪz/ˈwɔːtə(r)/laɪtpəˈluːʃn/（英）/er/nɔɪz/ˈwɔːtər/laɪtpəˈluːʃn/（美）短语空气/噪声/水/光污染/ˈnætʃrəlfɪˈnɒmɪnən/（英）/ˈnætʃrəlfɪˈnɑːmɪnən/（美）n.自然现象（复数：phenomena）/kʌməˈbaʊt/短语（尤指未经计划地）发生；产生/ˈklaɪməttʃeɪndʒ/短语气候变化/pəʊzəθret/ˈdeɪndʒə(r)/rɪsk(tuː/fɔː(r))/（英）/poʊzəθret/ˈdeɪndʒər/rɪsk(tuː/fɔːr)/（美）短语（对……）构成威胁/危险/风险/ˈæsɪdreɪn/n.酸雨/ˈkɑːbəndaɪˈɒksaɪd/（英）/ˈkɑːrbəndaɪˈɑːksaɪd/（美）n.二氧化碳/ˈkɑːbənɪˈmɪʃn/（英）/ˈkɑːrbənɪˈmɪʃn/（美）n.碳排放/ˈkɑːbənˈfʊtprɪnt/（英）/ˈkɑːrbənˈfʊtprɪnt/（美）n.碳足迹（指个人/组织的温室气体排放量）/ˈædvəkeɪt/（v.）/ˈædvəkət/（n.）v./n.v.提倡；主张；n.拥护者；倡导者/ˌkɒnsəˈveɪʃn/（英）/ˌkɑːnsərˈveɪʃn/（美）n.（自然资源的）保护；管理/ˌriːˈsaɪkl/v.（使）再循环；回收利用/ˈætməsfɪə(r)/（英）/ˈætməsfɪr/（美）n.大气层；环境；气氛/ˈfjuːəl/n./v.n.燃料；v.（给……）加燃料；增强；刺激/pjʊə(r)/（英）/pjʊr/（美）adj.纯的；纯净的；纯粹的/ˈiːweɪst/n.电子垃圾/seɪv/prəˈtekt…frəm(ˈduːɪŋ)sth/（英）/seɪv/prəˈtekt…frəm(ˈduːɪŋ)sth/（美）短语使某人/物免于（做）某事/ɪnˌvaɪrənˈmentlprəˈtekʃn/短语环境保护/biəˈweə(r)ɒv/（英）/biəˈwerəv/（美）短语意识到；觉察到/ɪnˌvaɪrənˈmentləˈweənəs/（英）/ɪnˌvaɪrənˈmentləˈwerənəs/（美）短语环境意识/prɪˈvent/stɒp/kiːpsb./sth.frəmˈduːɪŋsth/（英）/prɪˈvent/stɑːp/kiːpsb./sth.frəmˈduːɪŋsth/（美）短语阻止某人/某物做某事/kiːpðəˈbælənsbɪˈtwiːn…ənd…/短语保持……与……的平衡/ləʊˈkɑːbən/rɪˈnjuːəblˈenədʒi/（英）/loʊˈkɑːrbən/rɪˈnuːəblˈenərdʒi/（美）短语低碳/可再生能源/teɪkˈækʃn/ˈmeʒəz/steps/短语采取行动/措施/meɪkəˈdɪfrəns/短语有作用；有影响/ɪnˌvaɪrənˈmentəliˈfrendli/adj.环保的；对环境友好的/ˈnætʃrəlrɪˈsɔːsɪz/（英）/ˈnætʃrəlrɪˈsɔːrsɪz/（美）n.自然资源/ˈnætʃrəlɡæs/n.天然气/ˈsəʊlə(r)ˈenədʒi/（英）/ˈsoʊlərˈenərdʒi/（美）n.太阳能/səˈsteɪnəbldɪˈveləpmənt/（英）/səˈsteɪnəbldɪˈveləpmənt/（美）n.可持续发展二、练习题（一）语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Withtherapiddevelopmentofindustryandurbanization,therelationshipbetweenhumansandnaturehasbeeincreasinglytense.Many1.(region)aroundtheworldarefacingseriousenvironmentalproblems.Forexample,thicksmogoftencoverslargecities,whichisharmfultopeople'shealth.Theincreaseincarbon2.(emit)hasledtoclimatechange,causingextremeweathereventstooccurmorefrequentlythanbefore.Forests,whicharevitalfor3.(conserve)naturalresourcesandregulatingtheatmosphere,arebeingcutdownatanalarmingrate.Asaresult,manyanimalsarelosingtheirhabitats,andsomespeciesareevenonthevergeofextinction.Meanwhile,the4.(age)populationinmanycountriesisgrowing,andthedemandforfood,water,andhousingisincreasing,leadingto5.(short)ofbasicnecessitiesinsomeareas.However,peoplehavegraduallyraisedtheirenvironmental6.(aware).Manygovernmentshavetakeneffective7.(measure)toprotecttheenvironment,suchaspromotingrenewableenergyandencouragingpeopletorecyclewaste.Environmental8.(advocate)calloneveryonetotakeaction,becauseeverysmalleffortcan9.(difference).Weshouldtrytoreduceourcarbonfootprint,saveenergy,andkeepthebalancebetweeneconomicdevelopmentandenvironmentalprotection.Onlyinthiswaycanweachieve10.(sustain)developmentandleaveabetterworldforfuturegenerations.（二）单词拼写根据首字母提示或中文提示写出相应的单词，使句意完整通顺。Theriverflowsthroughthevalleyandfinallyemptiesintothenearbyb______.Itiseveryone'sresponsibilitytoprotecttheenvironmentandreducee______waste.Thegovernmenthasintroducednewpoliciestopromotetheuseofr______energy,suchassolarandwindenergy.Themountainousareaiscoveredwithdenseforests,providingaquietandpeacefulh______formanywildanimals.Thecoastlineofthiscountryisverylong,attractingthousandsoftouriststothes______everyyear.Wemusttakeactiontopreventairpollution,astheharmfulr______fromfactoriescancauseseriousdiseases.The______（边界）betweenthetwocountrieshasbeenamatterofdisputeformanyyears.The______（后果）ofdeforestationarefarreaching,affectingboththeclimateandbiodiversity.Manypeoplechoosetoliveinthe______（郊区）becausetheairthereisfresherthaninthedowntownarea.Thegovernmentistryingto______（美化）thecitybyplantingmoretreesandbuildingmoreparks.（三）短语填空从下面所给短语中选择适当的短语，并用其正确形式填空。每个短语限用一次。bringundercontrol、poseathreatto、eabout、makeadifference、beawareof、takemeasures、keepthebalancebetween、prevent...from、save...from、liveinpovertyHowdidtheenvironmentalpollution______?Weneedtofindouttherootcause.Theseriouswatershortageinthisarea______thelocalpeople'sdailylife.Withthejointeffortsofthewholesociety,thespreadofthediseasehasbeen______.Wemust______theimportanceofprotectingwetlands,astheyplayakeyroleinregulatingtheclimate.Thegovernmenthas______toreducecarbonemissionsbydevelopingpublictransportation.Itisdifficultto______economicgrowthandenvironmentalprotection,butwemusttryourbest.Plantingmoretreescan______soilerosion______happening.Manyvolunteersareworkinghardto______thehomelesspeople____