资源简介 (共7张PPT)Unit7 The natural world核心单词,词性转换,短语,语法,句型精练 答案一、重点单词1.north-east 2.cover 3.rare 4.red-crowned crane 5.stay 6.daytime 7.lead 8.mud 9.create 10.balanced11.knowledge 12.wastewater 13.environment-friendly 14.sir 15.madam 16.kill 17.solve 18.environmental 19.prevent 20.store21.sponge 22.act 23.kidney 24.nearly 25.trap 26.harmful 27.therefore 28.lung 29.sadly 30.ton31.harm 32.importance 33.title 34.human 35.ant 36.happiness 37.disappoint 38.mushroom 39.ton 40.role41.pea42.climate 43.ocean 44.except 45.tiny 46.lively二、重点短语47.act quickly 48.fall into a trap 49.do harm to/be harmful to 50.quite a few 51.cause sb. to do sth. 52.the cause of sth. 53.do damage to 54.ecosystem 55.the number of 56.the importance of57.in the north-east of 58.provide sth. for sb. 59.be home to 60.all year round 61.in order to 62.lead to 63.take action 64.make sure 65.the number of 66.set up67.quite a few 68.provide sth. for sb./provide sb. with sth. 69.all year round 70.too much 71.feed on 72.keep healthy 73.a lot of 74.covered with sand 75.store heat 76.sit under the shade of a tree77.get rid of 78.carbon dioxide 79.slow down 80.keep the balance 81.plenty of 82.go on and on 83.be home to 84.make up 85.take in 86.play an important role in87.give suggestions on 88.the importance of 89.be home to 90.all the types of 91.on Earth 92.look like 93.a small area 94.between...and...95.so...that... 96.a few三、词形适当形式填空97.returning 98.noisy 99.noisily 100.damaging 101.Solving 102.unfriendlier 103.balanced 104.stay; stayed 105.led 106.noisily107.harmful; harm; harm 108.held 109.including 110.creative; creating; create 111.created 112.earth’s 113.shook 114.to set 115.leaders 116.will hit/is going to hit117.knowledge 118.balanced 119.tons 120.create 121.throwing 122.sadly 123.damages 124.killed 125.to protect 126.environmental四、汉语提示写单词127.solved 128.wastewater 129.madam 130.knowledge 131.store 132.hold 133.include 134.ecosystem 135.mud 136.topic’s137.daytime 138.systems 139.wildlife’s 140.sponge 141.kidney 142.pond 143.penguins’ 144.quite 145.caused 146.knowledge147.create 148.damages 149.act 150.stored 151.hold 152.kindly 153.climate 154.damaged 155.causes/caused 156.fall into the trap五、完成句子157.to use eco-friendly products 158.provides us with; space 159.millions of tons of plastic waste 160.Education; knowledge are useful tools 161.causes pollution; damages forest ecosystems 162.Therefore; stopped using 163.is home to; like 164.provide food for; produces; stores 165.is getting warmer; friendly 166.because of; human activities; causes167.keep forests safe 168.set up; keep wetlands free from 169.lead to 170.all year round; for a short stay 171.plays an important role 172.make up 173.cover about 174.plenty of; returns to 175.an environmental group 176.provides us with; spaceUnit 7 The natural world核心单词,词性转换,短语,语法,句型精练学校:___________姓名:___________班级:___________考号:___________一、重点单词21世纪教育网(www.21cnjy.com)1.东北;东北方的;向东北方 n., adj. & adv. ________2.躲避处;罩子 n. ________3.稀罕的,珍贵的 adj. ________4.丹顶鹤 n. ________5.停留,逗留 n. ________6.白天 n. ________7.造成(后果)vi. ________8.泥,淤泥,泥浆 n. ________9.创建,创造 vt. ________10.保持平衡的 adj. ________11.知识 n. ________12.废水 n. ________13.环保的,不损害环境的 adj. ________14.先生 n. ________15.女士 n. ________16.杀死 vt. & vi. ________17.解决;解答 vt. ________18.环境的 adj. ________19.防止,阻止vt. ________20.贮存vt. ________21.海绵块n. ________22.起作用;行动vi.; 扮演vi.&vt. _______23.肾脏n. ________24.几乎,差不多,将近adv. ________25.吸收;使落入险境vt. ________26.有害的adj. ________27.因此adv. ________28.肺n. ________29.不幸地;悲伤地adv. ________30.吨n. ________31.伤害,损害vt. ________32.n.重要性 ________33.n.标题;题目;名称 ________34.n.人adj.人的;人类的 ________35.n.蚂蚁 ________36.n.幸福;快乐 ________37.v.使失望;使破灭 ________38.n.蘑菇;伞菌 ________39.n.吨 ________40.n.作用;职能;角色 ________41.n.豌豆 ________42.n.气候 ________43.n.大海;海洋 ________44.prep.除……之外;除了 ________45.adj.极小的;微小的 ________46.adj.精力充沛的; 生机勃勃的 ________21世纪教育网(www.21cnjy.com)二、重点短语21世纪教育网(www.21cnjy.com)47._________________ 迅速行动48._________________ 落入陷阱49._________________ 对……有害50._________________ 相当多,不少51._________________ 导致某人做某事52._________________ ……的原因53._________________ 对……造成损害54._________________ 生态系统55._________________ ……的数量56._________________ ……的重要性57.______________在……的东北部58.______________为某人提供某物59.______________是……的家园60.______________全年,一整年61.______________为了62.______________导致63.______________采取行动64.______________确保65.______________……的数量66.______________建立67._____________ 相当多,不少68._____________ 为某人提供某物69._____________ 全年,整年70._____________ 太多71._____________ 以……为食物72._____________ 保持健康73._____________ 许多,大量74._____________ 被沙子覆盖75._____________ 储存热量76._____________ 坐在树荫下77.______________ 清除,摆脱78.______________ 二氧化碳79.______________(使)慢下来80.______________ 保持平衡81.______________ 大量的82.______________ 不停地,持续发生83.______________ 是……的家园84.______________ 组成,构成,占据85.______________ 吸收86.______________ 在……中扮演重要角色87.______________ 就……提出建议88.______________ ……的重要性89.______________ 是……的家园90.______________ 所有类型的91.______________ 在地球上92.______________ 看起来像93.______________ 一小片地区94.______________ 在……和……之间95.______________ 如此……以至于96.______________ 一些,少许21世纪教育网(www.21cnjy.com)三、用括号内单词的适当形式填空。97.—Could you buy me some souvenirs (纪念品) before ________(return) from Hong Kong —With pleasure.98.The construction site near our school is a very ________ (noise) place in the neighborhood.99.The construction vehicles (工程车) ran ________ (noise) through the forest, which broke the balance of the local ecosystem.100.Human beings should protect nature instead of ________(damage) it, for it is nature that creates the diverse world we live in.101.________ (solve) the problem of air pollution can help balance the levels of carbon dioxide and oxygen in the ecosystem.102.The environment becomes ________ (friendly) with much more waste and pollution on our planet.103.Mum made our meals ________ (balance) by adding colourful fruits and vegetables every day.104.Wild ducks flew to this wetland for a safe ________, and they ________here through the cold winter. (stay)105.A group of volunteers ________ (lead) the local people to plant more than 200 trees last month.106.The little birds ________ (noise) sang songs on the tree branch when the sun rose.107.Don’t let ________ plastic bags ________ the soil, because even tiny pieces of them may do great ________ to the ground ecosystem. (harm)108.The community ________ (hold) a waste-sorting activity to teach people how to reuse resources last week.109.Waste can be collected and recycled, ________ (include) paper and glass, to help protect the environment.110.We need ________ ideas when ________ a plan to save water, and these ideas help ________ a better life. (创造)111.Edison was a great inventor and he ________ (create) many new things for the whole world in his life.112.The ocean covers about two thirds of the ________ (earth) surface.113.He ________ (shake) the bottle hard to see if there was any water inside.114.The government will do everything it can ________ (set) up nature reserves to protect the wildlife.115.Even young students can be ________ by taking responsibility and helping classmates. (lead)116.The weather report says a heavy storm ________ (hit) our city tomorrow morning, so we have to put off the trip.117.We use our ________ (knowledge) to solve problems.118.A ________ (balance) ecosystem needs both plants and animals.119.The Amazon rainforest provides ________(ton) of carbon dioxide each year.120.We should ________ (creative) more green spaces for wild animals.121.To protect the environment, we should prevent people ________ (throw) rubbish carelessly.122.She looked at herself in the mirror and ________ (sad) found that she had some white hair.123.Strong sunlight ________ the skin easily. (damage)124.The cold weather ________ many small plants last winter. (kill)125.Our teacher often encourages us ________ the wildlife. (protect)126.Using less plastic is helpful for the ________ protection. (environment)四、根据汉语提示完成单词。127.Yesterday, Tom ________ the riddle in five minutes. (解决)128.The team designed a model to clean ________ and make it safe for small ponds. (废水)129.Good morning, ________. Can I help you (女士)130.Science classes give students valuable ________ about the natural world.(知识)131.Plants collect energy of the sun and they ________ it in their leaves. (储存)132.The concert hall is big enough to ________ 20,000 people.(容纳)133.Proper table manners ________ chewing with your mouth closed and not speaking when your mouth is full. (包括)134.In order to protect the ________, the government is setting up national parks. (生态系统)135.After the storm, we carefully stepped around the ________ (淤泥) to keep our shoes clean.136.The ________ (话题) goal is to collect 500 old books for the village library by next month.137.In the ________ (白天), my family prefers cycling in the park instead of staying indoors.138.Many modern homes use smart ________ (系统) to control lights and temperature, saving energy and money.139.The documentary showed ________ (野生生物) important role in maintaining a balanced ecosystem.140.When I spilled juice, I quickly picked up a ________ (海绵) to soak it up (吸收) before it dirtied the carpet.141.The doctor explained how the ________ (肾脏) works like a filter (过滤器), cleaning our blood every day.142.Our science class visited the local ________ (池塘) to study frogs and learn about their life cycle.143.Scientists study ________ (企鹅) thick fur to learn how animals adapt to extreme cold environments.144.During their stay in Mount Huang, they took ________ (很,相当) a few wonderful photos.145.—What ________ (导致) his stomachache, doctor —Eating too much.146.By watching the documentary, we have learned much ________ (知识) of the ecosystem.147.The new factory is expected to ________ (创造) more than 400 new jobs.148.Strong light ________ (损害) our eyesight, so please don’t read in the sun.149.Humans shouldn’t kill wild animals anymore. The government should ________ (行动) to stop it.150.In the past, people ________ (贮存) vegetables like cabbages underground.151.The elevator is so small that it can only ________ (容纳) four people.152.We should always treat nature ________ (友好地) by reducing and recycling waste.153.Because of the bad ________ (气候), a lot of animals can’t find enough food and they are in great danger.154.The storm ________ (损坏) many houses in the village.155.The factory waste ________ (导致) serious water pollution.156.It’s easy to ________ (落入陷阱) of buying things you don’t need.五、完成句子157.我们应该鼓励人们使用环保产品。We should encourage people ________ ________ __________ ________.158.它为我们提供食物,也为我们提供空间。It ________ ________ ________ food and ________ ________ ________.159.海洋中有数百万吨的塑料垃圾。 There are _________ _________ _________ _________ ________ ________ in the ocean.160.教育和知识是有用的工具。________ and ________ ________ ________ ________.161.垃圾导致污染和损害森林生态系统。Rubbish ________ ________ and ________ ________ ________ ________.162.因此,上个月他停止了使用由动物皮毛做成的东西。________, he ________ things made from the fur or skin of animals last month.163.极地冰原是北极熊、企鹅等动物的家园。The polar ice __________ __________ __________ animals __________ polar bears and penguins.164.海洋为很多动物提供食物,产生氧气并储存来自太阳的热量。Oceans __________ __________ __________ many animals, __________ oxygen and __________ heat from the sun.165.海洋正在变暖,这对珊瑚礁来说可能不再是适宜的生存环境。The ocean ________ ________ ________, and it may not be a ________ environment for coral reefs.166.由于人类的各种活动,海水正变得越来越浑浊,这导致珊瑚逐渐死亡。The ocean water is becoming dirtier ________ ________ different ________ ________, and this ________ corals to die slowly.167.教育和知识是帮助保持森林安全的有用工具。Education and knowledge are useful tools to help __________ __________ __________.168.他们可以成立志愿者小组来保护湿地免受污染的危害……They can __________ __________ volunteer groups to help __________ __________ __________ __________ pollution, …169.这将导致野生动植物的(生存)空间越来越少。This will __________ __________ less space for wildlife.170.许多鸟常年生活在扎龙,然而有些鸟仅仅去那儿作短暂停留。Many birds live in Zhalong __________ __________ __________, while some go there only __________ __________ __________ __________.171.它 (海洋) 在减缓气候变化方面发挥着重要作用。It __________ __________ __________ __________ in slowing down climate change.172.森林占地球陆地面积的近三分之一。Forests ________ ________ nearly a third of the earth’s land area.173.湿地仅占地球陆地面积的6%左右。Wetlands only __________ __________ 6% of the Earth’s land area.174.它(海洋)容纳大量海水,水分升上天空,落到陆地上,然后流回海洋。It holds __________ __________ salt water, and the water rises to the sky, falls onto the lands and then __________ __________ the ocean.175.加入环保组织,担任志愿者很有意义。It is meaningful to join ________ ________ ________ and work as a volunteer.176.它为我们提供食物,也为我们提供娱乐的空间。It ________ ________ ________ food and ________ ________ ________ to have fun.21世纪教育网(www.21cnjy.com)参考答案1.north-east 2.cover 3.rare 4.red-crowned crane 5.stay 6.daytime 7.lead 8.mud 9.create 10.balanced 11.knowledge 12.wastewater 13.environment-friendly 14.sir 15.madam 16.kill 17.solve 18.environmental1.“东北;东北方的;向东北方”north-east,既是名词也是形容词和副词。故填north-east。2.“躲避处;罩子”cover,名词。故填cover。3.“稀罕的,珍贵的”rare,形容词,故填rare.4.“丹顶鹤”red-crowned crane,名词短语。故填red-crowned crane。5.“停留,逗留”stay,名词。故填stay。6.“白天”daytime,名词。故填daytime。7.“造成(后果)”lead,动词。故填lead。8.“泥,淤泥,泥浆”mud,名词。故填mud。9.“创建,创造”create,动词。故填create。10.“保持平衡的”balanced,形容词。故填balanced。11.“知识”knowledge,名词。故填knowledge。12.“废水”wastewater,名词。故填wastewater。13.“环保的,不损害环境的”environment-friendly,形容词。故填environment-friendly。14.“先生”sir,称谓。故填sir。15.“女士”madam,称谓。故填madam。16.“杀死”kill,动词。故填kill。17.“解决;解答”solve,动词。故填solve。18.“环境的”environmental,形容词。故填environmental。19.prevent 20.store 21.sponge 22.act 23.kidney 24.nearly 25.trap 26.harmful 27.therefore 28.lung 29.sadly 30.ton 31.harm19.防止,阻止:prevent,动词。故填prevent。20.贮存:store,动词。故填store。21.海绵块:sponge,名词。故填sponge。22.起作用;行动;扮演:act,动词。故填act。23.肾脏:kidney,名词。故填kidney。24.几乎,差不多,将近:nearly,副词。故填nearly。25.吸收;使落入险境:trap,动词。故填trap。26.有害的:harmful,形容词。故填harmful。27.因此:therefore,副词。故填therefore。28.肺:lung,名词。故填lung。29.不幸地;悲伤地:sadly,副词。故填sadly。30.吨:ton,名词。故填ton。31.伤害,损害:harm,动词。故填harm。32.importance 33.title 34.human 35.ant 36.happiness 37.disappoint 38.mushroom 39.ton 40.role 41.pea 42.climate 43.ocean 44.except 45.tiny 46.lively32.importance重要性,名词。故填importance。33.title标题;题目;名称,名词。故填title。34.human人(名词);人的;人类的(形容词)。故填human。35.ant蚂蚁,名词。故填ant。36.happiness幸福;快乐,名词。故填happiness。37.disappoint使失望;使破灭,动词。故填disappoint。38.mushroom蘑菇;伞菌,名词。故填mushroom。39.ton吨,名词。故填ton。40.role作用;职能;角色,名词。故填role。41.pea豌豆,名词。故填pea。42.climate气候,名词。故填climate。43.ocean大海;海洋,名词。故填ocean。44.except除……之外;除了,介词。故填except。45.tiny极小的;微小的,形容词。故填tiny。46.lively精力充沛的;生机勃勃的,形容词。故填lively。47.act quickly 48.fall into a trap 49.do harm to/be harmful to 50.quite a few 51.cause sb. to do sth. 52.the cause of sth. 53.do damage to 54.ecosystem 55.the number of 56.the importance of47.迅速行动:act quickly,故填act quickly。48.落入陷阱:fall into a trap,动词短语,故填fall into a trap。49.对……有害:do harm to/be harmful to,动词短语/形容词短语,故填do harm to/be harmful to。50.相当多,不少:quite a few,形容词短语,故填quite a few。51.导致某人做某事:cause sb. to do sth.,动词短语,故填cause sb. to do sth.。52.……的原因:the cause of sth.,名词短语,故填the cause of sth.。53.对……造成损害:do damage to,动词短语,故填do damage to。54.生态系统:ecosystem,名词,故填ecosystem。55.……的数量:the number of,名词短语,故填the number of。56.……的重要性:the importance of,名词短语,故填the importance of。57.in the north-east of 58.provide sth. for sb. 59.be home to 60.all year round 61.in order to 62.lead to 63.take action 64.make sure 65.the number of 66.set up57.在……的东北部:in the north-east of,介词短语,故填in the north-east of。58.为某人提供某物:provide sth. for sb.,固定结构,故填provide sth. for sb.。59.是……的家园:be home to,动词短语,故填be home to。60.全年,一整年:all year round,副词短语,故填all year round。61.为了:in order to,介词短语,故填in order to。62.导致:lead to,动词短语,故填lead to。63.采取行动:take action,动词短语,故填take action。64.确保:make sure,短语,故填make sure。65.……的数量:the number of,短语,故填the number of。66.建立:set up,动词短语,故填set up。67.quite a few 68.provide sth. for sb./provide sb. with sth. 69.all year round 70.too much 71.feed on 72.keep healthy 73.a lot of 74.covered with sand 75.store heat 76.sit under the shade of a tree67.相当多,不少:quite a few,短语,故填quite a few。68.为某人提供某物:provide sth. for sb./provide sb. with sth.,固定结构,故填provide sth. for sb./provide sb. with sth.。69.全年,整年:all year round,短语,故填all year round。70.太多:too much,短语,故填too much。71.以……为食物:feed on,动词短语,故填feed on。72.保持健康:keep healthy,动词短语,故填keep healthy。73.许多,大量:a lot of,形容词短语,故填a lot of。74.被沙子覆盖:covered with sand,短语,故填covered with sand。75.储存热量:store heat,短语,故填store heat。76.坐在树荫下:sit under the shade of a tree,动词短语,故填sit under the shade of a tree。77.get rid of 78.carbon dioxide 79.slow down 80.keep the balance 81.plenty of 82.go on and on 83.be home to 84.make up 85.take in 86.play an important role in77.清除,摆脱:get rid of,动词短语,故填get rid of。78.二氧化碳:carbon dioxide,名词短语,故填carbon dioxide。79.(使)慢下来:slow down,动词短语,故填slow down。80.保持平衡:keep the balance,动词短语,故填keep the balance。81.大量的:plenty of,形容词短语,故填plenty of。82.不停地,持续发生:go on and on,动词短语,故填go on and on。83.是……的家园:be home to,动词短语,故填be home to。84.组成,构成,占据:make up,动词短语,故填make up。85.吸收:take in,动词短语,故填take in。86.在……中扮演重要角色:play an important role in,动词短语,故填play an important role in。87.give suggestions on 88.the importance of 89.be home to 90.all the types of 91.on Earth 92.look like 93.a small area 94.between...and... 95.so...that... 96.a few87.就……提出建议:give suggestions on,动词短语,故填give suggestions on。88.……的重要性:the importance of,名词短语,故填the importance of。89.是……的家园:be home to,故填be home to。90.所有类型的:all the types of,故填all the types of。91.在地球上:on Earth,介词短语,故填on Earth。92.看起来像:look like,动词短语,故填look like。93.一小片地区:a small area,名词短语,故填a small area。94.在……和……之间:between…and…,介词短语,故填between…and…。95.如此……以至于:so…that…,连词短语,故填so…that…。96.一些,少许:a few,固定短语,故填a few。97.returning句意:——你从香港回来之前能给我买些纪念品吗?——乐意效劳。句中“before”是介词,介词后接动词时需用动名词形式作宾语,return的动名词是returning。98.noisy我们学校附近的建筑工地是这个社区里非常吵闹的地方。very用来修饰形容词,noise对应的形容词是noisy。99.noisily工程车喧闹地驶过森林,破坏了当地的生态平衡。noise意为“噪音;吵闹”,句中ran是动词run的过去式,修饰动词要用副词,noise的副词形式为noisily,故填noisily。100.damaging人类应该保护自然而不是破坏它,因为正是自然创造了我们所生活的这个多样化的世界。句中“instead of”为介词短语,提示其后应接名词性成分。动词damage作介词宾语时,变为动名词形式,应填damaging。101.Solving解决空气污染问题有助于平衡生态系统里二氧化碳与氧气的含量。句中空格处在句子开头作主语,动词原形不能直接充当主语,需要变动名词形式,solve直接加-ing即可变为动名词solving,单词位于句首首字母需大写,应填Solving。102.unfriendlier地球上的垃圾和污染变多,环境变得更不友好了。friendly意为“友好的”,根据“much more waste and pollution”可知,垃圾变多,导致环境变得不友好,先加否定前缀un-变为unfriendly;句中暗含和以往对比,用比较级,unfriendly的比较级为unfriendlier,符合语境。103.balanced妈妈每天搭配各色蔬果,让我们的三餐营养均衡。make+宾语+宾语补足语,表示“使某物变得……”。balance是名词/动词,变为形容词balanced,意为“均衡的、平衡的”。104. stay stayed野鸭为了一处安全的停留处飞到这片湿地,并且它们待在这里度过了寒冷的冬天。 第一空,不定冠词a修饰可数名词单数,stay意为“停留处”,是可数名词单数;第二空,stay意为“停留”,是动词,and连接的是并列成分,前后两个动词形式要一致,根据其前的动词flew“飞”可知,此处用动词的过去式stayed。105.led上个月,一群志愿者带领当地人种植了200多棵树。句中“last month”(上个月)是一般过去时的标志词,谓语动词“lead”的过去式是“led”,符合语法及语境要求。106.noisily太阳升起时,小鸟们在树枝上喧闹地歌唱。此处需要副词来修饰动词“sang”,“noise”对应的副词形式是“noisily”,表示“喧闹地”,符合语法及语境要求,故填noisily。107. harmful harm harm别让有害的塑料袋危害土壤,因为即使是它们的细小碎片也可能对地面生态系统造成极大危害。①处需要形容词修饰名词“plastic bags”,“harm”对应的形容词是“harmful”,表示“有害的”;②处“let sb./sth. do sth.”是固定结构,需用动词原形,“harm”作动词表示“危害”;③处“do harm to”是固定短语,“harm”作名词表示“危害”,三者均符合语法及语境要求,故①填harmful,②填harm,③填harm。108.held上周社区举办了一场垃圾分类活动,教人们如何重复利用资源。句中“last week”(上周)是一般过去时的标志词,谓语动词“hold”的过去式是“held”,符合语法及语境要求,故填held。109.including垃圾可以被收集和回收,包括纸张和玻璃,以帮助保护环境。此处需要用介词“including”来引出例子,说明垃圾包含的种类,符合语法及语境要求,故填including。110. creative creating create在制定节水计划时,我们需要有创意的想法,这些想法有助于创造更好的生活。①处需要形容词修饰名词“ideas”,“创造”对应的形容词是“creative”,表示“有创意的”;②处“when”后接动名词形式(省略了主语we),“创造”的动名词是“creating”;③处“help”后接动词原形,“创造”的动词原形是“create”,三者均符合语法及语境要求,故①填creative,②填creating,③填create。111.created爱迪生是一位伟大的发明家,他一生中为全世界创造了许多新事物。由过去式was可知,句子时态为一般过去时,谓语动词用过去式created。112.earth’s海洋覆盖了地球表面大约三分之二的面积。此处需要修饰名词surface,要用名词所有格形式,表示“地球的”,因此要将括号内的名词earth变为所有格形式。故填earth’s。113.shook他用力摇晃瓶子,想看看里面有没有水。句中“there was any water inside”使用了一般过去时,提示整个动作发生在过去,应用一般过去时。shake的过去式为不规则变化,故填shook。114.to set政府将尽其所能建立自然保护区来保护野生动物。此处用动词不定式作目的状语,表示“为了保护野生动物”,set应为to set。115.leaders即使是年轻的学生,也可以通过承担责任和帮助同学成为领导者。lead是动词,意为“领导”;句子中be动词后需要接名词,因此将动词lead转换为名词形式leader“领导者”,主语young students是复数概念,为保持一致,名词leader需使用复数形式。故填leaders。116.will hit/is going to hit天气预报说明天早上我们的城市将遭遇一场暴风雨,所以我们不得不推迟旅行。says后是宾语从句,主句时态是一般现在时,宾语从句的时态不受限制,结合“tomorrow morning”可知,此处应用一般将来时(will do/be going to do),故填will hit/is going to hit。117.knowledge我们用我们的知识来解决问题。根据“our”可知,横线处需填名词,knowledge“知识”,名词,符合语境,且为不可数名词,不用复数形式。故填knowledge。118.balanced一个平衡的生态系统需要植物和动物。根据“A…ecosystem”可知,横线处需填形容词修饰名词ecosystem,balance“平衡”,名词或动词,其形容词形式为balanced。故填balanced。119.tons亚马逊雨林每年吸收大量的二氧化碳。ton“吨”,“tons of”是固定搭配,意为“大量的;许多的”,用来修饰不可数名词或可数名词复数。故填tons。120.create我们应该为野生动物创造出更多的绿色空间。根据“We should...more green spaces”可知,此处表示应该做某事,should是情态动词,后接动词原形。creative“有创造力的”,形容词,其动词形式为create“创造”。故填create。121.throwing为了保护环境,我们应该防止人们随意扔垃圾。throw扔,动词;“prevent sb. (from) doing sth.”是固定用法,意思是“阻止某人做某事”,所以此处需要用“throw”的动名词形式“throwing”,表示阻止人们随意扔垃圾。故填throwing。122.sadly她看着镜子里的自己,悲伤地发现自己长了一些白头发。分析句子结构可知,此处需要用副词修饰动词“found”,表示“悲伤地发现”。sad是形容词,意为“悲伤的”,其副词形式是sadly。故填sadly。123.damages强烈的阳光很容易损伤皮肤。句子描述的是客观事实,时态为一般现在时;主语“Strong sunlight”是不可数名词,视为第三人称单数,谓语动词“damage”用第三人称单数形式“damages”。 124.killed去年冬天寒冷的天气冻死了许多小植物。句中“last winter”为过去的时间状语,提示动作发生在过去,应用一般过去时。括号内提示词“kill”为规则动词,过去式直接加“-ed”,故填killed。125.to protect我们的老师经常鼓励我们保护野生动物。固定搭配encourage sb. to do sth.表示鼓励某人做某事,此处需要动词不定式作宾语补足语。应填to protect。126.environmental少使用塑料对环境保护有益。空格后是名词protection,需要用形容词形式来修饰名词,environment的形容词形式为environmental。127.solved昨天,Tom在五分钟内就解决了这个谜语。用来表示“解决”的单词是solve,是动词,作谓语,由“yesterday”可知,句子时态为一般过去时,所以此处应填其过去式solved。128.wastewater这个团队设计了一个模型,用来净化废水,使其达到可安全用于小型池塘的标准。用来表示“废水”的单词是wastewater,是不可数名词。129.madam 早上好,女士。我能为您效劳吗? 根据括号内给出的提示“女士”,且此处是日常服务场景里对女性的礼貌通用称呼可知,需要填入对应表示“女士”的常用英文表达“madam ”。 故填madam 。130.knowledge科学课带给学生关于自然界的宝贵知识。根据形容词valuable以及中文提示“知识”可知,此处填不可数名词knowledge,在句中作宾语,无复数变化。故填knowledge。131.store植物收集太阳能并将其储存在叶片中。此处是谓语动词,主语they为复数,时态为一般现在时,谓语动词用原形;中文“储存”提示单词是store。132.hold这个音乐厅足够大,可以容纳两万人。根据汉语提示“容纳”,动词hold符合该含义。固定结构adj.+enough to do sth.表示“足够……去做某事”,to后需要接动词原形,因此此处填hold。133.include得体的餐桌礼仪包括闭着嘴咀嚼,嘴里有食物时不说话。此处是谓语动词,主语Proper table manners为复数,时态为一般现在时,谓语动词用原形;中文“包括”提示单词是include。134.ecosystem为了保护生态系统,政府正在设立国家公园。根据“protect the”可知,空处需填名词。汉语提示“生态系统”对应的单词为ecosystem。135.mud暴风雨过后,我们小心翼翼地绕开淤泥,以保持鞋子干净。根据汉语提示可知,mud“淤泥”,不可数名词。应填mud。136.topic’s该话题的目标是在下个月之前为乡村图书馆收集500本旧书。括号中给出中文“话题”,对应英文单词为“topic”。句中“goal”为名词,前面需要用所有格形式表示“话题的(目标)”,因此使用topic的所有格形式“topic’s”。137.daytime白天,我的家人更喜欢在公园骑自行车,而不是待在室内。根据汉语提示可知,in the daytime表示“在白天”。故填daytime。138.systems许多现代家庭使用智能系统来控制灯光和温度,从而节省能源和金钱。“系统”对应的英文单词是system,为可数名词。根据句意,此处指多个家庭使用多个系统,且空前无冠词a/an,故应用复数形式systems。139.wildlife’s这部纪录片展示了野生生物在维持生态平衡方面的重要作用。“野生生物”对应的英文表达是wildlife,此处需要所有格形式作定语,修饰role,表示“野生生物的”,英文为wildlife’s。140.sponge当我洒了果汁时,我迅速拿起一块海绵来吸收它,以免弄脏地毯。表示“海绵”用sponge,由不定冠词a修饰,用单数名词。141.kidney医生解释了肾脏如何像一个过滤器一样工作,每天清洁我们的血液。根据“the”及“works”提示,需填可数名词单数形式作主语。“肾脏”为名词kidney。142.pond我们科学课去了当地的池塘,观察青蛙并学习它们的生命周期。中文提示“池塘”对应的英文单词是pond。空格前有定冠词“the”,特指当地某一处池塘,因此使用单数形式pond。143.penguins’科学家研究企鹅厚厚的皮毛,以了解动物是如何适应极寒环境的。“企鹅”的英文是“penguin”,这里需要填名词所有格来表示“企鹅的(厚皮毛)”,且企鹅不是单指一只,要用复数形式“penguins”,所有格为“penguins’”。144.quite在黄山逗留期间,他们拍了不少精彩的照片。“很,相当”用副词quite,quite a few是固定短语,意为“不少,相当多”,符合语境。故填quite。145.caused——医生,是什么导致了他的胃痛?——吃太多了。根据汉语提示“导致”以及句子结构可知,应填动词“cause”,此处询问的是已经发生的事情,用一般过去时,“cause”的过去式是“caused”。故填caused。146.knowledge通过观看这部纪录片,我们学到了许多关于生态系统的知识。根据“much”可知空格处需填入不可数名词,括号内中文提示为“知识”,对应英文为“knowledge”,为不可数名词,无复数形式。故填knowledge。147.create这家新工厂预计将创造超过400个新工作岗位。根据“The new factory is expected to...”以及汉语提示可知此处需填入动词原形,作不定式“to”后的谓语动词,表示“创造”这一动作。“创造”对应的英文动词为“create”。故填create。148.damages强烈的光线损害我们的视力,所以请不要在阳光下看书。根据汉语提示可知,damage“损害”,为动词。本句陈述客观事实,主语“Strong light”为不可数名词,谓语动词用第三人称单数形式。故填damages。149.act人类不应该再杀害野生动物了。政府应该采取行动来阻止它。根据“should”可知,横线处需填动词原形,act“行动”,动词,符合题意。should act“应该采取行动”。故填act。150.stored在过去,人们把像卷心菜这样的蔬菜贮存在地下。根据句子结构和语境,这里需要填入一个表示“贮存”的动词的过去式形式。所给词“贮存”对应的英文单词是store,其过去式形式为stored。故填stored。151.hold这个电梯太小了,只能容纳四个人。“容纳”用动词hold,情态动词can后接动词原形。故填hold。152.kindly我们应该通过减少废物和循环利用来始终友好地对待自然。根据句子结构和语境,这里需要填入一个副词来修饰动词“treat”,根据中文提示可知,应填入对应的副词kindly。故填kindly。153.climate由于恶劣的气候,许多动物找不到足够的食物,它们处于极大的危险之中。“气候”用名词climate,为不可数名词。故填climate。154.damaged暴风雨损坏了村子里的许多房屋。根据“The storm…many houses in the village.”以及汉语提示“损坏”可知,此处需填动词,“损坏”对应的英文动词是damage;结合语境,动作已发生,应用一般过去时,damage的过去式是damaged。故填damaged。155.causes/caused工厂废料导致了严重的水污染。根据中文提示“导致”可知,此处需要填入动词cause。此处句子可以描述的是一个普遍事实,应使用一般现在时。主语The factory waste是不可数名词,视为第三人称单数,因此谓语动词应用第三人称单数形式causes。也可以描述的是一个发生在过去的事件,应使用一般过去时,即caused。故填causes/caused。156.fall into the trap很容易陷入购买不需要的东西的陷阱。根据汉语提示可知,fall into the trap“落入陷阱”。故填fall into the trap。157. to use eco-friendly products原句中“使用环保产品”是关键词。encourage sb. to do sth.是固定搭配,意为“鼓励某人做某事”,故第①空填不定式符号to,第②空填动词原形use表示“使用”。“环保”用形容词eco-friendly表示,修饰名词“产品”,故第③空填eco-friendly。“产品”用product,本句的“环保产品”是泛指市面上所有环保类商品,不是单独一件,故第④空填products复数。158. provides us with us with space原句中“为……提供”是关键词,表示“为某人提供某物”的短语是provide sb. with sth.。本句为一般现在时,主语It是第三人称单数,动词provide要变为三单形式provides;并列结构and后重复使用同一搭配,因此应填provides;us;with;us;with;space。159. millions of tons of plastic waste原句中“数百万吨的塑料垃圾”是关键词,“百万”表示不确定数目时,需用复数形式加介词of,即millions of;“吨”为ton,此处表示大量用复数tons,“成吨的”表达为tons of。“塑料垃圾”用plastic waste表示。160.Educationknowledgeareusefultools原句中“教育、知识、有用的工具”是关键词,education、knowledge并列作主语,为复数含义,搭配be动词are;useful修饰可数名词复数tools。句首单词首字母需大写。161.causespollutiondamagestheforestecosystems原句中“导致”、“污染”、“损害”、“森林生态系统”是关键词,“cause pollution”表示造成污染,“damage the forest ecosystems”表示损害森林生态系统;本句为一般现在时,主语Rubbish为不可数名词,动词用三单形式causes、damages。162. Therefore stopped using根据中英文对照可知,此处缺少“因此”和“停止了使用”。Therefore“因此”,连接副词,位于句首需大写。stop doing sth.“停止做某事”,动词短语,其中动名词作宾语;描述过去事实,需用一般过去时“stopped using”。故填Therefore;stopped using。163. is home to like对比中英文可知,空格处缺少“是……的家园”,其英文表达为be home to,固定搭配;句子陈述现在的情况,时态为一般现在时,且主语“The polar ice”为单数,be动词用is;“(北极熊、企鹅等) 动物”需体现“像……之类的”,用介词like表举例。故填is;home;to;like。164. provide food for produce store根据中英文对照可知,此处缺少“为……提供食物”,“产生”,“储存”。“为……提供食物”用固定短语“provide food for”表达;“产生”对应动词“produce”;“储存”对应动词“store”。主语“Oceans”是复数,句子描述客观事实,时态为一般现在时,动词用原形。故填provide;food;for;produce;store。165. is getting warmer friendly根据句意可知,第一空到第三空表示“正在变暖”,“变得”用“get”,结合语境可知,句子时态是现在进行时,其结构为“be+动词的现在分词”,主语“The ocean”是第三人称单数,be动词用“is”,“get”的现在分词是“getting”,“更暖和的”用“warmer”;第四空表示“适宜的”,用形容词“friendly”作定语修饰名词“environment”。故填is;getting;warmer;friendly。166. because of human activities causes根据中英文对照可知,第一、二空缺少“由于”,空格后“different human activities”是名词短语,故应用because of连接;第三、四空缺少“人类的各种活动”,“人类活动”的英文是human activities,此处用复数形式表“各种活动”;第五空缺少“导致”,主语“this”是第三人称单数,句子为一般现在时,故动词用causes。故填because;of;human;activities;causes。167. keep forests safe根据中英文对照可知,此处缺少“保持森林安全”,应用“keep+宾语+形容词”结构;森林:forest,可数名词,此处应用复数表泛指;安全的:safe。help (to) do sth.“帮助做某事”,keep用原形。故填keep;forests;safe。168. set up keep wetlands free from根据中英文对照可知,此处缺少“成立”和“保护湿地免受……的危害”。“成立”英文为“set up”,情态动词can后接动词原形;“保护……免受……的危害”英文为“keep…free from”,help (to) do sth“帮助做某事”,keep用动词原形;“湿地”英文为“wetland”,此处没有表示单数的限定词,所以用复数形式wetlands。故填set;up;keep;wetlands;free;from。169. lead to对照中英文,lead to“导致”符合题意,为动词短语,will接动词原形。故填lead;to。170. all year round for a short stay根据中英文对照可知,此处缺“常年”和“作短暂停留”。“常年”对应英文固定短语“all year round”;“作短暂停留”对应英文短语“for a short stay”,其中“stay”为名词,意为“停留”。故填all;year;round;for;a;short;stay。171. plays an important role对比中英文可知,空格处缺少“发挥着重要作用”,其英文表达为play an important role,后接in doing sth.表示“在做某事方面”;句子陈述现在的情况,时态应用一般现在时,且主语为“It”,谓语动词play应用其三单形式plays。故填plays;an;important;role。172. make up根据中英文对照可知,此处缺少“占”。“占(比例)”可译为“make up”,该句描述客观事实,用一般现在时,主语“Forests”是复数,谓语动词用原形。故填make;up。173. cover about根据中英文对照可知,此处缺少“占……左右”。“占(面积)”可译为“cover”,“左右”可译为“about”,主语“Wetlands”是复数,谓语动词用原形。故填cover;about。174. plenty/lots of returns to根据中英文对照可知,前两空表示“大量的”,表达为plenty of/lots of;第3、4空表示“返回到”,表达为“return to”,作谓语,此句为一般现在时,主语“the water”为第三人称单数,return用第三人称单数。故填plenty/lots;of;returns;to。175. an environmental group根据中英文对照可知,空处缺“环保组织”,environmental group“环保组织”,此处用不定冠词表泛指,environmental为元音音素开头的单词,其前用不定冠词an。故填an;environmental;group。176. provides us with offers us space根据中英文对照可知,此处缺少“为我们提供”以及“为我们提供空间”。“为我们提供”可译为“provides us with”,主语“It”是第三人称单数,时态是一般现在时,谓语动词用第三人称单数形式;“为我们提供空间”对应“offers us space”,and并列结构此处用动词三单形式。故填provides;us;with;offers;us;space。21世纪教育网(www.21cnjy.com) 展开更多...... 收起↑ 资源列表 Unit7 The natural world 核心单词,词性转换,短语,语法,句型精练 答案.pptx Unit7 The natural world 核心单词,词性转换,短语,语法,句型精练.docx