Unit 3 A Green Earth, a Better Home单元重点易错专项训练 2026-2027学年仁爱科普版九年级英语上册

仁爱科普版（2026）九年级上册 Unit 3 A Green Earth, a Better Home 单元重点易错专项训练 仁爱科普版（2026）九年级上册 Unit 3 A Green Earth, a Better Home 单元重点易错专项训练 紧扣最新教材（2026仁爱科普版） | 9大考点 | 81道精选题 姓名：__________ 班级：__________ 得分：__________ 考点一：现在完成时与 for/since 连用（延续性动词 + 时间段/时间点） ⚠ 易错点：for + 时间段（for two years / for a long time）；since + 时间点/过去从句（since 2020 / since I was young） ⚠ 短暂动词→延续动词：buy→have; borrow→keep; die→be dead; leave→be away; join→be in/be a member ⚠ for/since 必须与延续性动词连用：I have had this book for 3 years（不是have bought） ▷ 基础题（选择题） ▷（ ）1. Jam has been a member of the green club ______ 2022. A. for B. since C. in D. from ▷（ ）2. Lily has sorted waste every day ______ five months. A. since B. for C. from D. in ▷（ ）3. Chen Wu has ______ in this environmental group for two years. A. joined B. been C. become D. left ◇ 提升题（选择题） ◇（ ）1. How long ______ Zhang Hui ______ in Kunming? — Since last summer. A. has; lived B. has; been C. did; live D. was; living ◇（ ）2. The factory ______ pouring waste water into the river for years. It must stop. A. has stopped B. stopped C. has kept D. kept ◇（ ）3. I ______ this reusable bag since my mother gave it to me three years ago. A. have had B. have bought C. bought D. had ★ 拓展题（用适当形式填空） ★ 1. Lily ________ (plant) trees every spring since she was ten years old. ★ 2. The river here ________ (be) clean for several months because people stopped polluting it. ★ 3. Jam ________ (not throw) any rubbish on the ground since he joined the green team. 考点二：前缀 re- 构词法（recycle / reuse / reduce / rethink / revisit / rebuild） ⚠ 易错点：前缀 re- 表示'再/重新'：re- + cycle(循环)→recycle(回收)；re- + use(用)→reuse(再利用) ⚠ re- + think(想)→rethink(重新思考)；re- + build(建)→rebuild(重建)；re- + visit(参观)→revisit(重访) ⚠ 区分三R：reduce(减少)≠reuse(再利用)≠recycle(回收)。Reduce减少产生→Reuse重复利用→Recycle回收再造 ▷ 基础题（选择题） ▷（ ）1. We should ______ paper and glass bottles instead of throwing them away. A. reduce B. reuse C. recycle D. rebuild ▷（ ）2. Before you throw away the plastic bag, you can ______ it as a rubbish bin. A. recycle B. reduce C. reuse D. revisit ▷（ ）3. After the earthquake, people worked hard to ______ their homes. A. recycle B. reuse C. rethink D. rebuild ◇ 提升题（选择题） ◇（ ）1. To ______ means trying to produce less trash in our daily life. A. recycle B. reuse C. reduce D. rebuild ◇（ ）2. We need to ______ our bad living habits and make changes for a greener life. A. recycle B. reuse C. reduce D. rethink ◇（ ）3. When we ______, we turn used materials into new products. A. reduce B. reuse C. recycle D. rebuild ★ 拓展题（用适当形式填空） ★ 1. We should ________ (use) shopping bags many times instead of using new ones. ★ 2. The old factory was ________ (build) into a modern museum last year. ★ 3. Jam wants to ________ (visit) the nature park because he loved it last time. 考点三：be harmful to / be bad for / do harm to / suffer from 辨析 ⚠ 易错点：be harmful to + n./doing（对……有害）；do harm to + n.（对……造成伤害）；be bad for（对……不好） ⚠ suffer from + 疾病/问题（患……/受……之苦）。He suffers from high blood pressure. ⚠ be harmful to = be bad for ≠ be good for。Smoking is harmful to your health = Smoking does harm to your health. ▷ 基础题（选择题） ▷（ ）1. Noise pollution ______ whales in the ocean. They can't find their way home. A. is good for B. is harmful to C. is full of D. is interested in ▷（ ）2. Loud music ______ your ears. Please turn it down. A. does harm to B. does good to C. is good for D. is helpful to ▷（ ）3. The old man ______ high blood pressure and has to take medicine every day. A. suffers from B. suffers C. suffers for D. suffers with ◇ 提升题（选择题） ◇（ ）1. Factories that pour waste water into rivers ______ the environment seriously. A. do good to B. do harm to C. are good for D. are helpful to ◇（ ）2. ______ eating too much sugar, many children have bad teeth these days. A. Because B. Since C. Because of D. As ◇（ ）3. The dolphin is easily ______ by the loud noise from the ship. A. harm B. harmful C. harmed D. harming ★ 拓展题（用适当形式填空） ★ 1. Air pollution ________ (be) harmful to all living things on earth. ★ 2. The giraffe ________ (suffer) from the loss of forests for many years. ★ 3. Plastic bags ________ (do) great harm to the soil if we bury them underground. 考点四：重点短语 take action / protect...from / stop...from / keep...from ⚠ 易错点：take action（采取行动）；action不可数/可数均可。take action to do sth. ⚠ protect...from...（保护……免受……）；stop...from... = keep...from...（阻止……做……） ⚠ 注意：stop/keep...from中from是介词+doing：stop factories from pouring waste water ⚠ make a difference（产生影响/有作用）；act as one（齐心协力）；in honour of（为纪念/表彰） ▷ 基础题（选择题） ▷（ ）1. We must ______ to protect the environment before it's too late. A. take acts B. take action C. take act D. take actions ▷（ ）2. Trees can ______ the earth ______ strong winds and sandstorms. A. protect; from B. stop; from C. keep; from D. save; from ▷（ ）3. Laws can ______ factories ______ pouring waste water into rivers. A. protect; from B. keep; from C. stop; from D. save; for ◇ 提升题（选择题） ◇（ ）1. Small green acts can ______ a big ______ to our planet. A. make; difference B. do; difference C. take; action D. have; effect ◇（ ）2. The medal was given to him ______ his hard work in desert control. A. because B. because of C. in honour of D. instead of ◇（ ）3. We should all ______ as one to fight against pollution in our city. A. act B. take C. make D. do ★ 拓展题（用适当形式填空） ★ 1. The government has taken ________ (act) to reduce air pollution. ★ 2. We must protect the animals ________ (from/of) losing their homes. ★ 3. Don't throw rubbish everywhere. It can make a big ________ (different) to our school. 考点五：词性转换 pollute→pollution→polluted / environment→environmental ⚠ 易错点：pollute(v.污染)→pollution(n.污染，不可数)→polluted(adj.受污染的) ⚠ environment(n.环境)→environmental(adj.环境的)→environmentalist(n.环保主义者) ⚠ suffer(v.遭受)→suffering(n.苦难)；cooperate(v.合作)→cooperation(n.合作) ⚠ aware(adj.意识到的)→awareness(n.意识)；correct(adj.正确的)→correctly(adv.正确地) ▷ 基础题（选择题） ▷（ ）1. The ______ in this city is getting worse because of too many cars. A. pollute B. pollution C. polluted D. polluting ▷（ ）2. Many fish died in the ______ water. It's not safe to swim there. A. pollute B. pollution C. polluted D. polluting ▷（ ）3. We should pay attention to ______ protection and plant more trees. A. environment B. environmental C. environment's D. environments ◇ 提升题（选择题） ◇（ ）1. Lily wants to be an ______ when she grows up. She loves nature. A. environment B. environmentalist C. environmental D. environmentally ◇（ ）2. People's ______ of health has greatly increased after the campaign. A. aware B. awareness C. awaken D. awake ◇（ ）3. The two schools worked in close ______ to clean up the river. A. cooperate B. cooperation C. cooperative D. cooperated ★ 拓展题（用适当形式填空） ★ 1. The factory ________ (pollution) the river for years before it was shut down. ★ 2. ________ (environment) protection is everyone's duty, not just the government's. ★ 3. He suffered a lot from the serious disease. His ________ (suffer) lasted for months. 考点六：被动语态（be + 过去分词）—— 环保主题高频被动 ⚠ 易错点：被动语态结构 = be(随时态变) + 过去分词。现在被动：is/are done；过去被动：was/were done ⚠ 现在完成被动：has/have been done。将来被动：will be done。情态动词被动：must/can be done ⚠ 常见被动句：Waste should be sorted. / Trees must be planted. / Rivers have been cleaned. ▷ 基础题（选择题） ▷（ ）1. Rubbish should ______ into different bins. It helps recycling. A. sort B. sorted C. be sorted D. is sorted ▷（ ）2. A lot of trees ______ planted in Jinan last spring to make the city greener. A. are B. were C. have been D. will be ▷（ ）3. The air in this area has ______ greatly improved by the new policy. A. be B. been C. being D. was ◇ 提升题（选择题） ◇（ ）1. The river ______ by the new cleaning system since last year. A. is cleaned B. was cleaned C. has been cleaned D. will be cleaned ◇（ ）2. More green energy ______ to use in the future to reduce carbon emissions. A. is encouraged B. was encouraged C. has been encouraged D. will be encouraged ◇（ ）3. Plastic bags must ______ because they pollute the soil for hundreds of years. A. avoid B. be avoided C. avoided D. are avoided ★ 拓展题（用适当形式填空） ★ 1. Waste paper and bottles ________ (recycle) in our school every day. ★ 2. The old forest ________ (cut) down before people realised its importance. ★ 3. Low-carbon living ________ (encourage) by the school for the past few years. 考点七：因果表达 because / because of / as a result / cause and effect ⚠ 易错点：because + 句子（连词）；because of + 名词/代词/doing（介词短语） ⚠ as a result（结果/因此）—— 单独使用，后接逗号。as a result of + n.（由于……） ⚠ Cause(原因) → Effect(结果)：Factories poured waste → Rivers became dirty. ⚠ so...that...（如此……以至于……）；such...that...（如此……以至于……） ▷ 基础题（选择题） ▷（ ）1. ______ the heavy rain, the football match was cancelled. A. Because B. Because of C. As D. Since ▷（ ）2. Lily was late for school ______ she missed the early bus. A. because B. because of C. as a result D. so ▷（ ）3. The factory poured waste into the river. ______, many fish died. A. Because B. Because of C. As a result D. Since ◇ 提升题（选择题） ◇（ ）1. The sandstorms became worse ______ people cut down too many trees. A. because B. because of C. as a result D. so that ◇（ ）2. ______ the increase of cars, the air quality in Kunming has dropped. A. Because B. As a result of C. As a result D. So that ◇（ ）3. The ground was very dry ______ the long hot summer. A. because B. as a result C. because of D. so that ★ 拓展题（用适当形式填空） ★ 1. Many animals are losing their homes ________ (because/because of) people cut down forests. ★ 2. He didn't go to school today ________ (because/because of) his illness. ★ 3. Factories pollute the air. ________ (as/so) as a result, the sky is often grey. 考点八：encourage sb to do / invite sb to do / remind sb to do / warn sb to do ⚠ 易错点：encourage sb to do sth.（鼓励某人做某事）；invite sb to do sth.（邀请某人做某事） ⚠ remind sb to do sth.（提醒某人做某事）；warn sb (not) to do sth.（警告某人（不）做某事） ⚠ allow sb to do（允许某人做）；make sb do（使某人做——不带to）；let sb do（让某人做） ⚠ stop/prevent/keep sb from doing（阻止某人做）。注意make/let后接动词原形无to！ ▷ 基础题（选择题） ▷（ ）1. The teacher always ______ us to protect the environment. A. encourages B. encourage C. encouraging D. encouraged ▷（ ）2. Lily's mother reminded her ______ off the lights before leaving home. A. turn B. to turn C. turning D. turned ▷（ ）3. The sign warns people ______ swimming in the polluted river. A. not swim B. to not swim C. not to swim D. don't swim ◇ 提升题（选择题） ◇（ ）1. The school invited a journalist ______ us about green living. A. teach B. to teach C. teaching D. taught ◇（ ）2. The hot weather made the ice ______ quickly. It worried the scientists. A. to melt B. melting C. melt D. melted ◇（ ）3. The new law prevents factories ______ waste water into the lake. A. pour B. to pour C. pouring D. poured ★ 拓展题（用适当形式填空） ★ 1. The club encourages students ________ (join) the tree-planting activity. ★ 2. The doctor warned him ________ (not smoke) any more. It's bad for his lungs. ★ 3. Loud music lets people feel ________ (comfort) and stressed. 考点九：比较级与最高级（more...than / the most / 环保主题语境运用） ⚠ 易错点：多音节形容词变比较级加more：more harmful / more important / more convenient ⚠ 最高级加the most：the most serious / the most dangerous；one of the + 最高级 + 复数名词 ⚠ much/a lot/far + 比较级；比较级 + and + 比较级（越来越……） ⚠ 形容词+er/est规则：辅音+y→i+er（dirtier）；短词直接加er（cleaner/safer/quieter） ▷ 基础题（选择题） ▷（ ）1. Riding a bike is ______ than driving a car for short trips. A. clean B. cleaner C. cleanest D. the cleanest ▷（ ）2. Air pollution in this city is getting ______ and ______. We must do something. A. bad; bad B. worse; worse C. worst; worst D. more bad; more bad ▷（ ）3. This is ______ way to save water — turn off the tap when brushing teeth. A. simple B. simpler C. the simplest D. simplest ◇ 提升题（选择题） ◇（ ）1. Noise pollution is one of ______ problems in modern cities. A. serious B. more serious C. most serious D. the most serious ◇（ ）2. Planting trees is ______ reducing air pollution than building more factories. A. good B. better C. best D. the best ◇（ ）3. The new energy car is much ______ than the old one. It uses less fuel. A. efficient B. more efficient C. most efficient D. the most efficient ★ 拓展题（用适当形式填空） ★ 1. Solar energy is one of the ________ (clean) energy sources in the world. ★ 2. The more we recycle, the ________ (little) waste we produce. ★ 3. Kunming is becoming ________ and ________ (green) every year because of the tree-planting project. 参考答案与详细解析 考点一：现在完成时与 for/since 连用 【基础题】 1. B since + 时间点（2022）。Jam自2022年起就是绿色俱乐部成员。 2. B for + 时间段（five months）。Lily垃圾分类已五个月了。 3. B for two years需要延续动词。been in = been a member。Chen Wu在环保组织两年了。 【提升题】 1. B How long...? since last summer→现在完成时+延续动词has been。Zhang Hui在昆明多久了？ 2. C for years + 延续动词。kept pouring（持续排放）。工厂向河里排废水多年了。 3. A since + 过去从句→现在完成时。have had（延续）。我拥有这个环保袋三年了。 【拓展题】 1. has planted since she was ten→现在完成时。Lily从十岁起每年春天都种树。 2. has been for several months→现在完成时。这条河干净几个月了。 3. hasn't thrown since→现在完成时否定。Jam加入绿色团队后从不在地上扔垃圾。 考点二：前缀 re- 构词法（recycle/reuse/reduce/rethink/rebuild） 【基础题】 1. C recycle paper and glass bottles（回收废纸和玻璃瓶）。而不是扔掉。 2. C reuse it as a rubbish bin（重复利用塑料袋当垃圾袋）。 3. D rebuild their homes（重建家园）。地震后人们努力重建家园。 【提升题】 1. C Reduce means produce less trash（减少=少产生垃圾）。 2. D rethink our bad habits（重新思考坏习惯）。需要反思并改变。 3. C recycle = turn used materials into new products（回收=废旧材料变新品）。 【拓展题】 1. reuse reuse shopping bags（重复使用购物袋）。 2. rebuilt was rebuilt（被重建）。旧工厂去年被改建成博物馆。被动语态。 3. revisit revisit the nature park（重访自然公园）。Jam想再去一次因为上次很喜欢。 考点三：be harmful to / do harm to / suffer from 【基础题】 1. B be harmful to whales（对鲸鱼有害）。噪音污染让鲸鱼迷失方向。 2. A do harm to your ears（伤害耳朵）。音乐太大请关小点。 3. A suffer from high blood pressure（患高血压）。老人每天必须吃药。 【提升题】 1. B do harm to the environment（对环境造成伤害）。工厂排废水严重伤害环境。 2. C Because of + 名词短语。因为吃太多糖许多孩子牙齿不好。 3. C be harmed by（被……伤害）。海豚容易被船只的噪音伤害。被动语态。 【拓展题】 1. is Air pollution作主语→is harmful to。空气污染对地球生物有害。 2. has suffered for many years→现在完成时。长颈鹿因森林减少受苦多年。 3. do Plastic bags作主语→do harm to。塑料袋埋地下对土壤有害。 考点四：重点短语 take action / protect...from / stop...from / make a difference 【基础题】 1. B take action（采取行动）。我们必须及时采取行动保护环境。 2. A protect...from...（保护……免受……）。树木保护大地免受强风和沙暴。 3. C stop...from doing（阻止……做）。法律阻止工厂向河里排废水。 【提升题】 1. A make a difference（产生影响）。小小的绿色行动能对地球产生大影响。 2. C in honour of（为纪念/表彰）。奖牌是为表彰他在治沙中的努力而颁发的。 3. A act as one（齐心协力）。我们应齐心协力对抗城市污染。 【拓展题】 1. action take action（采取行动）。政府已采取行动减少空气污染。 2. from protect...from losing（保护……免受失去）。保护动物免于失去家园。 3. difference make a big difference。不乱扔垃圾能对我们学校产生大影响。 考点五：词性转换 pollute→pollution→polluted / environment→environmental 【基础题】 1. B pollution（n.污染，不可数）。因为车太多城市污染越来越严重。 2. C polluted（adj.受污染的）。许多鱼死在被污染的水里不能游泳。 3. B environmental protection（环境保护）。我们应该重视环保多植树。 【提升题】 1. B environmentalist（n.环保主义者）。Lily长大后想当环保主义者。 2. B awareness（n.意识）。活动后公众健康意识大大提高。 3. B cooperation（n.合作）。两校紧密合作清理河流。 【拓展题】 1. polluted pollute的过去式。工厂污染河流多年后被关闭。 2. Environmental 形容词修饰protection。环保不仅是政府的责任。 3. suffering his suffering（他的苦难）。他患病期间受了很多苦。 考点六：被动语态（be + 过去分词） 【基础题】 1. C should be sorted（应该被分类）。垃圾应该被分类到不同垃圾桶。 2. B were planted（过去被动）。去年春天济南种了很多树。 3. B has been improved（现在完成被动）。空气质量已被新政策大大改善。 【提升题】 1. C has been cleaned（现在完成被动）。河流自去年起就被新清洁系统清理。 2. D will be encouraged（将来被动）。未来将鼓励使用更多绿色能源。 3. B must be avoided（情态被动）。塑料袋必须被避免因为污染土壤数百年。 【拓展题】 1. are recycled 每天废纸和瓶子被回收。一般现在被动。 2. was cut 在人们意识到重要性之前旧森林被砍伐了。过去被动。 3. has been encouraged 过去几年学校一直鼓励低碳生活。现在完成被动。 考点七：因果表达 because / because of / as a result 【基础题】 1. B Because of + 名词短语。因为大雨足球赛被取消了。 2. A because + 句子。Lily迟到因为她错过了早班车。 3. C As a result（因此/结果）。工厂排废水→结果许多鱼死了。 【提升题】 1. A because + 句子。沙尘暴变糟因为人们砍了太多树。 2. B As a result of + 名词。由于汽车增多昆明空气质量下降。 3. C because of + 名词短语。地面很干是因为漫长炎热的夏天。 【拓展题】 1. because because + 句子（people cut down forests）。许多动物失去家园因为人们砍伐森林。 2. because of because of + 名词（his illness）。他今天没上学因为生病。 3. As As a result（因此）。工厂污染空气→因此天空常是灰色的。 考点八：encourage/invite/remind/warn sb to do 与 make/let sb do 【基础题】 1. A The teacher三单→encourages。老师总是鼓励我们保护环境。 2. B remind sb to do。Lily妈妈提醒她离家前关灯。 3. C warn sb not to do。标志警告人们不要在污染河里游泳。 【提升题】 1. B invite sb to do。学校邀请记者来教我们绿色生活。 2. C make sb do（不带to）。炎热天气使冰快速融化。让科学家担忧。 3. C prevent sb from doing。新法律阻止工厂向湖里排废水。 【拓展题】 1. to join encourage sb to do。俱乐部鼓励学生参加植树活动。 2. not to smoke warn sb (not) to do。医生警告他别再抽烟对肺不好。 3. uncomfortable feel uncomfortable（感到不舒服）。吵闹音乐让人不舒服有压力。 考点九：比较级与最高级（环保主题语境） 【基础题】 1. B than提示比较级。cleaner。骑自行车短途比开车更环保。 2. B 比较级+and+比较级（越来越……）。worse and worse。空气污染越来越严重。 3. C the simplest（最高级）。这是最省水的方式——刷牙时关水龙头。 【提升题】 1. D one of the most serious problems。最严重的问题之一。最高级+复数。 2. B than提示比较级。better than。植树比建工厂更能减少空气污染。 3. B much + 比较级。more efficient。新能源车比旧车高效得多用更少燃料。 【拓展题】 1. cleanest one of the cleanest energy sources。太阳能是世界上最清洁的能源之一。 2. less The more...the less...。我们回收越多产生的废物越少。 3. greener; greener 比较级+and+比较级。昆明因植树计划越来越绿。 — — 学科网（北京）股份有限公司 $