Unit 6 Energy, Nature and Us单元重点知识总结与易错（专项训练）-2026-2027学年人教PEP版英语六年级上册

**基本信息** 聚焦绿色能源与环保主题，以“知识总结+分层训练”构建系统复习体系，提炼十大考点解题方法，强化语言能力与思维品质。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |十大考点专项训练|90题（基础/提升/拓展各30）|含考点详解（如单词辨析、句型结构、语法规则）、易错点分析及解题关键|按“主题分类→核心词汇→短语句型→语法应用→综合语用”递进，形成“概念生成-原理推导-情境应用”逻辑链|

人教PEP版六年级上册 Unit 6 Energy, Nature and Us 重点知识总结与易错专项训练 2026人教PEP版（新版）六年级上册 Unit 6 Energy, Nature and Us 单元重点知识总结与易错专项训练 【适用教材】人教版PEP六年级上册（2024年秋季新版） 【单元主题】能源、自然与我们 —— 绿色能源与节能环保 【题型】全册90道选择题（基础30 + 提升30 + 拓展30）含详细解析 Part 1 单元重点知识总结 一、重点单词（按主题分类） 【能源类型类】 单词 音标/词性 中文释义 energy /ˈenədʒi/ n. 能量；能源 power /ˈpaʊə/ n. 动力；电力 electricity /ɪˌlekˈtrɪsəti/ n. 电；电能 solar /ˈsəʊlə/ adj. 太阳的；太阳能的 wind /wɪnd/ n. 风 water /ˈwɔːtə/ n. 水；水力 sunlight /ˈsʌnlaɪt/ n. 阳光 resource /rɪˈsɔːs/ n. 资源（复数resources） Mother Earth n.短语 地球母亲 【环保3R行动类】 单词 音标/词性 中文释义 reduce /rɪˈdjuːs/ v. 减少；降低 reuse /ˌriːˈjuːz/ v. 重复使用 recycle /ˌriːˈsaɪkl/ v. 回收利用 save /seɪv/ v. 节约；节省；拯救 waste /weɪst/ v./n. 浪费；废弃物 unplug /ʌnˈplʌɡ/ v. 拔掉电源插头 【日常物品与描述类】 单词 音标/词性 中文释义 air conditioner n.短语 空调 light bulb n.短语 灯泡 bottle /ˈbɒtl/ n. 瓶子 bag /bæɡ/ n. 袋子；手提袋 paper /ˈpeɪpə/ n. 纸张 computer /kəmˈpjuːtə/ n. 电脑 clean /kliːn/ adj. 洁净的 useful /ˈjuːsfl/ adj. 有用的 important /ɪmˈpɔːtnt/ adj. 重要的 smart /smɑːt/ adj. 聪明的；智能的 【动作行为类】 单词 音标/词性 中文释义 make /meɪk/ v. 制造；做 run /rʌn/ v. 运行；驱动 cook /kʊk/ v. 烹饪 light /laɪt/ v. 照明；点燃 heat /hiːt/ v. 加热；供暖 cool /kuːl/ v. 使变凉；降温 wash /wɒʃ/ v. 洗涤 brush /brʌʃ/ v. 刷 二、重点短语（16个核心短语） 英文短语/句型 中文释义 例句 green energy 绿色能源 Solar power is green energy. solar power 太阳能 We use solar power to heat water. wind power 风能 Wind power comes from the air. water power 水能 Running water makes water power. make electricity 发电 We use water to make electricity. save energy 节约能源 We should save energy every day. turn off 关闭（电器） Turn off the lights, please. unplug 拔掉插头 Unplug the TV after use. take quick showers 快速淋浴 A quick shower saves energy. use less 少用 Use less electricity at home. bring our own bags 自带袋子 Bring your own bag to the shop. recycle bottles and boxes 回收瓶子和盒子 We recycle paper and glass. use both sides of paper 纸张双面使用 Use both sides to save paper. run out of resources 耗尽资源 Mother Earth is running out. make a big difference 产生很大影响 Small changes make a difference. follow the 3R rules 遵循3R原则 Reduce, Reuse, Recycle! 三、重点句型（12个核心句型） 英文短语/句型 中文释义 例句 We use ... to ... 我们用……来做…… We use green energy to light our homes. ... can ... ……能够…… Running water can make electricity. We should ... 我们应该…… We should save energy. We shouldn't ... 我们不应该…… We shouldn't waste water. What should we do? 我们应该做什么？ What should we do to save energy? Where does ... come from? ……来自哪里？ Where does water come from? What do you know about ...? 关于……你知道什么？ What do you know about solar power? How can we ...? 我们如何……？ How can we save electricity? Don't ... 不要……（祈使句否定） Don't waste water. There are many ways to ... 有许多……的方法 There are many ways to save energy. Small changes can make a big difference. 小改变能带来大不同。 （单元金句） Mother Earth is running out of resources. 地球母亲正在耗尽资源。 （单元核心表达） 四、重点语法精讲 语法点1：情态动词 should / shouldn't 提建议 ① should 意为"应该"，后接动词原形，没有人称和数的变化。 ② 肯定句：主语 + should + 动词原形 → We should save energy. ③ 否定句：主语 + shouldn't + 动词原形 → We shouldn't waste water. ④ 一般疑问句：Should + 主语 + 动词原形？ → Should we turn off the lights? ⑤ 答语：Yes, 主语 + should. / No, 主语 + shouldn't. 语法点2：use ... to do ... 表达用途 ① 结构：use + 名词 + to + 动词原形，表示"用……来做……"。 ② We use wind power to make electricity.（我们用风能发电。） ③ to 后必须接动词原形，不能加 s / ing / ed。 ④ 可与 can 互换：We use water to cook. = We can cook with water. 语法点3：询问来源 Where does ... come from? ① 结构：Where + does（单数）/ do（复数）+ 主语 + come from? ② 注意：助动词体现人称，come 必须用原形。 ③ 答语：It / They + comes / come from + 地点. ④ 例：Where does water come from? — It comes from rivers and lakes. 语法点4：3R原则辨析 ① Reduce = 减少使用（use less）→ take quick showers, use less electricity ② Reuse = 重复使用（use again）→ reuse old bottles, use both sides of paper ③ Recycle = 回收再利用（make new things）→ recycle bottles, recycle paper ④ 三者核心区别：Reduce 少用 / Reuse 再用 / Recycle 回收加工 语法点5：祈使句（肯定与否定） ① 肯定祈使句：动词原形开头 → Turn off the lights. / Save energy. ② 否定祈使句：Don't + 动词原形 → Don't waste water. / Don't leave the tap running. ③ 无主语，语气直接，常用于标语、建议、指令。 语法点6：名词单复数与不可数名词 ① 不可数名词（无复数）：energy, electricity, power, water, paper, sunlight ② 可数名词复数变化：resource→resources, bottle→bottles, box→boxes ③ many + 可数复数（many resources）；much + 不可数（much energy） ④ 易错：energy 不加 s；electricity 不加 s；paper 作"纸张"不可数 Part 2 十大考点易错专项训练 【说明】本部分精选本单元10个重点易错考点，每个考点下设基础题3道、提升题3道、拓展题3道，共90道选择题。 【符号】◇ 基础题 ▷ 提升题 ★ 拓展题 选项横向排列，请仔细审题。 考点一：绿色能源单词辨析（energy / power / electricity / solar / wind / water） 【考点详解】本考点考查本单元核心能源类单词的认读与辨析。energy为总称"能源/能量"；power指"电力/动力"，常与wind/solar/water搭配构成复合词；electricity意为"电/电能"；solar意为"太阳的"；wind意为"风"；water意为"水"。易混点：①energy与power均表"能"，但power更侧重"动力/电力"，energy侧重"能量/能源"总称；②solar/wind/water作定语修饰power时构成"太阳能/风能/水能"；③electricity专指"电"，不可与power混用。做题关键：看清语境中需要"总称"还是"具体能源类型"。 ◇ 基础题（选择题） ◇（ 1 ）We use ______ from the sun to make electricity. A. wind B. solar power C. water power D. electricity ◇（ 2 ）Running water can make ______. A. energy B. solar C. electricity D. wind ◇（ 3 ）______, solar power and water power are types of green energy. A. Coal B. Oil C. Wind power D. Gas ▷ 提升题（选择题） ▷（ 4 ）Olivia: What do you know about it? Chen Wei: ______ can make electricity. A. Run water B. Running water C. Runs water D. Ran water ▷（ 5 ）We can get ______ from the sea too. A. solar power B. wind power C. water power D. electricity power ▷（ 6 ）Lily is writing about green energy. Which one is NOT green energy? A. Wind power B. Solar power C. Water power D. Coal power ★ 拓展题（选择题） ★（ 7 ）Zhang Hao: We use green energy to light, heat and cool our homes. The word "cool" here means ______. A. 凉爽的(adj.) B. 使……变凉(v.) C. 酷的(adj.) D. 冷静的(adj.) ★（ 8 ）Bella: Mother Earth is running out of ______. We should save them. Which word fits best? A. energies B. resources C. powers D. electricities ★（ 9 ）Jam: In Qingdao, we can use ______ to make electricity because it's near the sea. And ______ power comes from the sun everywhere. A. water; solar B. wind; water C. solar; wind D. water; wind 考点二：use ... to do 句型（用……来做……） 【考点详解】本单元核心句型"We use ... to ..."表示"我们用……来做……"。结构为：use + 名词 + to + 动词原形。易错点：①to后必须接动词原形，不能加s或ed；②use后接名词或代词，不接动词ing；③该句型可替换为"...can..."表示能力，如We use water to make electricity = Running water can make electricity。常见考法：选词填空、句型转换、选择正确搭配。 ◇ 基础题（选择题） ◇（ 10 ）We use wind power ______ electricity. A. make B. makes C. to make D. making ◇（ 11 ）We use green energy ______, ______ and ______ our homes. A. light; heat; cool B. lights; heats; cools C. lighting; heating; cooling D. lighted; heated; cooled ◇（ 12 ）We use solar power ______ our houses warm in winter. A. keep B. to keep C. keeping D. keeps ▷ 提升题（选择题） ▷（ 13 ）Which sentence is WRONG? A. We use water to cook. B. We use electricity to run cars. C. We use to solar power light houses. D. We use wind to make electricity. ▷（ 14 ）Olivia: How do we make electricity from water? Chen Wei: We use ______ water ______ electricity. A. running; make B. running; to make C. runs; to make D. run; making ▷（ 15 ）"We use electricity to run cars, buses and trains." The underlined part means ______. A. electricity can run cars B. cars can run electricity C. electricity makes cars run D. we run with electricity ★ 拓展题（选择题） ★（ 16 ）Lily wants to rewrite: "We use both sides of paper." She can say: "We use both sides of paper ______." A. save trees B. to save trees C. saving trees D. saved trees ★（ 17 ）Bella: Grandpa uses a solar oven ______ food. It's super cool! The solar oven uses ______ to cook. A. cook; sunlight B. to cook; sunlight C. to cook; sunlights D. cooking; sun light ★（ 18 ）Zhang Hao: In Xiamen, many people use solar water heaters. This means they use ______ to ______ water. A. sunlight; heat B. sunlight; hot C. solar power; hot D. sun; heating 考点三：should / shouldn't 提建议句型 【考点详解】should为情态动词，意为"应该"，后接动词原形，没有人称和数的变化（he/she/they后均用should）。否定式为shouldn't（should not），意为"不应该"。易错点：①should后必须用动词原形，不能加s/es/ing/ed；②should没有人称变化，不受主语影响；③常见搭配：should save energy / should turn off lights / should take quick showers / should reuse bags / shouldn't waste water。④一般疑问句：Should we...? Yes, we should. / No, we shouldn't. ◇ 基础题（选择题） ◇（ 19 ）We ______ save energy. It's important for Mother Earth. A. should B. shouldn't C. can D. don't ◇（ 20 ）Chen Wei: Mother Earth is running out of resources. What ______ we do? A. can B. are C. should D. do ◇（ 21 ）We ______ waste water. We should save it. A. should B. shouldn't C. can D. are ▷ 提升题（选择题） ▷（ 22 ）Olivia: I always leave the lights on. Lily: You ______ the lights when you leave the room. A. should turn off B. should turn on C. shouldn't turn off D. can turn on ▷（ 23 ）Which sentence is correct? A. He should uses less electricity. B. She should unplug the TV. C. They should brushing their teeth with tap water running. D. We should to save paper. ▷（ 24 ）Jam: Should we take quick showers? Zhou Kai: Yes, ______. It saves energy. A. we should B. we shouldn't C. we can D. we do ★ 拓展题（选择题） ★（ 25 ）Bella is writing a suggestion letter. Which sentence does NOT belong in a letter about saving energy? A. We should use LED lighting. B. We should turn off computers after class. C. We should always unplug our TVs. D. We should drive more and walk less. ★（ 26 ）Lily: My father uses air conditioners a lot. What should I tell him? You can say: "Dad, you ______ use air conditioners ______. Set it to 26℃ or more." A. should; more B. shouldn't; less C. should; less D. can; more ★（ 27 ）Zhang Hao: In Kunming, it's not too hot in summer. So people there ______ use air conditioners as much as in Wuhan. A. should B. shouldn't C. can D. must 考点四：3R原则辨析（Reduce / Reuse / Recycle） 【考点详解】3R原则是本单元环保核心：Reduce（减少消耗）——少使用电、水、一次性用品，从源头减量；Reuse（重复使用）——物品不丢弃，再次直接利用，如reuse old bottles、use both sides of paper、bring own bags；Recycle（回收再利用）——废品分类回收，二次加工，如recycle bottles and boxes、recycle old clothes。三者区别：Reduce侧重"少用"（use less），Reuse侧重"不丢再⽤"（use again），Recycle侧重"回收加工"（make new things from old）。 ◇ 基础题（选择题） ◇（ 28 ）We should ______ the use of plastic bags. Bring our own bags instead. A. reuse B. recycle C. reduce D. waste ◇（ 29 ）We can ______ old bottles as pencil holders. That's a smart idea! A. reduce B. recycle C. waste D. reuse ◇（ 30 ）We should ______ bottles and boxes. They can be made into new things. A. reduce B. reuse C. recycle D. waste ▷ 提升题（选择题） ▷（ 31 ）Olivia: I washed this plastic bottle. Can I use it again for my flowers? Chen Wei: Sure! That's ______. A. reduce B. reuse C. recycle D. waste ▷（ 32 ）Lily: This cardboard box is old. I'll put it in the recycling bin. Zhang Hao: Good! That's ______. A. reduce B. reuse C. recycle D. save ▷（ 33 ）Which is an example of Reduce? A. Wash and use a bottle again. B. Turn off lights to use less electricity. C. Put paper in the recycling bin. D. Make a toy from an old box. ★ 拓展题（选择题） ★（ 34 ）Bella: In Jinan, our school has a 3R project. We use both sides of paper (______), we bring our own bags (______), and we put old newspapers in the recycling bin (______). A. reuse; reduce; recycle B. reduce; reuse; recycle C. recycle; reduce; reuse D. reuse; recycle; reduce ★（ 35 ）Jam: My family wants to follow the 3R rules. Which activity matches the rule? "We take quick showers." — This is ______. A. Reuse B. Recycle C. Reduce D. Save ★（ 36 ）Zhou Kai: At home, we ______ old clothes by giving them to younger kids. We also ______ the number of plastic bottles we buy. And we ______ paper to make new notebooks. A. recycle; reduce; reuse B. reuse; reduce; recycle C. reduce; reuse; recycle D. reuse; recycle; reduce 考点五：节能建议句型（We should... / We can... / Don't...） 【考点详解】本单元表达节能建议有三种方式：①We should + 动词原形（应该做，表责任/倡导），如We should turn off lights. ②We can + 动词原形（可以做，表能力/可能性），如We can take quick showers. ③祈使句Don't + 动词原形（不要做），如Don't waste water. 易错点：should/can后必须接动词原形；否定祈使句用Don't开头；三种句型可表达相似含义但语气不同。常考：选择正确动词形式、句型转换、情景选择。 ◇ 基础题（选择题） ◇（ 37 ）We ______ take quick showers. It saves energy. A. should B. can C. are D. do ◇（ 38 ）We can ______ both sides of paper. That's a good habit. A. use B. uses C. using D. used ◇（ 39 ）______ waste water. Please turn off the tap. A. Not B. Don't C. No D. Not to ▷ 提升题（选择题） ▷（ 40 ）Which pair of sentences have the SAME meaning? ①We should turn off the lights. ②We can turn off the lights. ③Don't keep the lights on. A. ① and ② B. ② and ③ C. ① and ③ D. All of them ▷（ 41 ）Olivia: How can we save electricity? Chen Wei: We ______ use LED lighting. It uses less power. A. should B. are C. do D. did ▷（ 42 ）Lily wrote three tips. Which one uses the wrong verb form? A. We should unplug the TV. B. We can walking to school. C. We should turn off computers. D. Don't waste paper. ★ 拓展题（选择题） ★（ 43 ）Zhang Hao: In Xiamen, it's warm. We ______ open windows for fresh air instead of using air conditioners. This is a smart way to ______ energy. A. can; save B. should; saves C. can; saves D. should; saving ★（ 44 ）Bella is giving a presentation. She says: "Everyone ______ do something. Small changes ______ make a big difference." A. can; can B. should; can C. can; should D. should; should ★（ 45 ）Jam: I want to write a suggestion letter to the editor. Which opening is the BEST? A. Dear Editor, We are running out of resources. Here are my ideas. B. Dear Editor, I am fine. How are you? C. Dear Editor, Please give me some money. D. Dear Editor, I like your magazine very much. 考点六：Where does ... come from? 询问来源 【考点详解】本单元核心问句：Where does + 单数主语 + come from? 意为"……来自哪里/来源于什么？"注意：助动词用does（主语为单数），come用原形（不用comes）。答语：It comes from + 地点/来源. 易错点：①主语为单数时用does，复数用do；②come必须用原形，不受主语影响；③同类句型：Where do + 复数主语 + come from? 如Where do elephants come from?（大象来自哪里？） ◇ 基础题（选择题） ◇（ 46 ）— Where ______ water come from? — It comes from rivers, lakes and seas. A. do B. does C. is D. are ◇（ 47 ）— Where does electricity come from? — It ______ from green energy. A. come B. comes C. coming D. to come ◇（ 48 ）— Where do you come from? — I ______ from Qingdao. A. comes B. come C. coming D. to come ▷ 提升题（选择题） ▷（ 49 ）Which question is correct? A. Where does water comes from? B. Where do water come from? C. Where does water come from? D. Where is water come from? ▷（ 50 ）Olivia: Where does solar power come from? Chen Wei: ______. A. It come from the sun B. It comes from the sun C. They come from the sun D. It is from the sun come ▷（ 51 ）— Where ______ wind power come from? — It comes from the ______. A. do; wind B. does; wind C. is; windy D. does; windy ★ 拓展题（选择题） ★（ 52 ）Lily: I know water comes from rivers and lakes. ______ does electricity come from, then? Chen Wei: It comes from power stations. They use coal, water or wind. A. What B. Where C. How D. Why ★（ 53 ）Bella: In Wuhan, it's very hot in summer. Many people use air conditioners. But where does the electricity ______? A. comes from B. come from C. coming from D. to come from ★（ 54 ）Zhang Hao: We get power from the sea. We get power from the sun and wind too. So where ______ energy come from? It comes from ______. A. do; nature B. does; nature C. does; natural D. do; natural 考点七：What do you know about ...? 询问了解程度 【考点详解】本单元核心问句：What do you know about + 名词? 意为"关于……你了解什么/你知道些什么？"答语通常陈述已知事实。易错点：①about为介词，后接名词/动名词；②do/does随主语变化；③注意与What do you like about...（你喜欢……的什么）区分。常考：选择合适答语、补全对话、句型转换。 ◇ 基础题（选择题） ◇（ 55 ）— What do you know about solar power? — ______. A. I like it very much B. It comes from the sun C. I have two D. It is a car ◇（ 56 ）Mike: What do you know about water power? Binbin: ______. A. Running water can make electricity B. I know water is blue C. I drink water every day D. Water is in the cup ◇（ 57 ）— What does Olivia know about wind power? — She knows ______. A. wind is air that moves B. she likes windy days C. wind comes from the sun D. she can see the wind ▷ 提升题（选择题） ▷（ 58 ）Which question is the BEST to ask before a science project about energy? A. What do you know about energy? B. Do you like energy? C. Where is energy? D. How old is energy? ▷（ 59 ）Chen Wei: I want to find out more about water power. What should I do? Olivia: You can ______. A. go to the library B. buy a bottle of water C. drink some water D. wash your hands ▷（ 60 ）Lily: What do you want to know about solar power? Jam: I want to know ______. A. how do we make power from the sun B. how we make power from the sun C. how makes power from the sun D. how to make power from the sun ★ 拓展题（选择题） ★（ 61 ）Bella is writing in her KWL chart. K: What I know — Water can make electricity. W: What I want to know — ______? L: What I learnt — Water power comes from running water in rivers and dams. A. Where does water come from B. How do we make power from water C. Why is water blue D. When do we drink water ★（ 62 ）Zhang Hao: In Kunming, there are many solar panels on roofs. People there know a lot about solar power. They can tell you ______. A. how solar panels work B. where to buy solar panels C. why solar panels are expensive D. All of the above ★（ 63 ）Zhou Kai: What do you know about the 3R rules? Lily: Let me tell you. ______. Reduce means using less. Reuse means using things again. Recycle means making new things from old ones. A. I don't know anything B. They are about saving energy C. I hate them D. They are difficult 考点八：节能动词短语辨析（turn off / turn on / unplug / take quick showers） 【考点详解】本单元高频动词短语：turn off（关闭电器/水龙头）= switch off；turn on（打开）为其反义；unplug（拔掉电源插头）；take quick showers（快速淋浴）；use less（少用）；set...to...（将……设为……温度）。易错点：①turn off与turn on方向不能搞反；②unplug强调"拔插头"，比turn off更彻底；③take a quick shower中quick修饰shower；④use air conditioners less中less为little的比较级。常考：选词填空、情景选择、近义替换。 ◇ 基础题（选择题） ◇（ 64 ）Please ______ the lights when you leave the classroom. A. turn on B. turn off C. unplug D. open ◇（ 65 ）We should always ______ our computers and TVs when we don't use them. A. turn on B. turn off C. unplug D. start ◇（ 66 ）A quick shower uses ______ hot water, so we save energy. A. more B. less C. many D. a lot of ▷ 提升题（选择题） ▷（ 67 ）Which is the OPPOSITE of "turn off"? A. turn on B. unplug C. close D. stop ▷（ 68 ）Olivia: It's very hot in Wuhan in July. Should I use the air conditioner? Chen Wei: Yes, but ______ it to 26℃ or more. And open windows when it's cool outside. A. set B. turn C. make D. use ▷（ 69 ）Lily: I used to play with the tap running when I brush my teeth. Now I turn it off. This is a way to ______. A. waste water B. save water C. use more water D. clean the tap ★ 拓展题（选择题） ★（ 70 ）Zhang Hao: In Xiamen, summer is long. Many families use air conditioners every day. What's the SMARTEST way to save energy? A. Never use air conditioners at all. B. Use them all day with doors open. C. Set them to 26℃ and open windows when cool. D. Turn them on and off every 5 minutes. ★（ 71 ）Bella: Grandpa uses a solar oven to cook food. He puts black paper inside. Why? Because black paper ______. A. looks nice B. is cheap C. keeps the heat inside D. makes the food black ★（ 72 ）Jam: At school in Jinan, we have a rule: "Turn off the lights after the last class." This rule is about ______. A. reusing things B. recycling things C. saving electricity D. saving water 考点九：名词单复数与不可数名词（resource/resources, energy, electricity, paper） 【考点详解】本单元重点名词：resource（资源）——可数，复数resources；energy（能源/能量）——不可数，无复数；electricity（电）——不可数，无复数；power（电力/动力）——不可数；water（水）——不可数；paper（纸张）——不可数，但"a piece of paper"可数；bag/bottle（袋子/瓶子）——可数，复数bags/bottles。易错点：①resource有复数resources，energy/electricity无复数；②many resources（许多资源）vs much energy（许多能源）；③run out of resources（耗尽资源）中resources用复数。 ◇ 基础题（选择题） ◇（ 73 ）Mother Earth is running out of ______. We should save them. A. energy B. electricity C. resources D. power ◇（ 74 ）We should use ______ paper. Use both sides! A. less B. fewer C. many D. a lot of ◇（ 75 ）We can recycle bottles and ______. They can be made into new things. A. box B. boxs C. boxes D. a box ▷ 提升题（选择题） ▷（ 76 ）Which sentence uses the correct plural form? A. We should save energys. B. We use many resouces. C. We recycle old bottles and boxes. D. We waste many electricity. ▷（ 77 ）Olivia: How can we save electricity? Chen Wei: Use LED lighting. It uses ______ power and lasts longer. A. fewer B. less C. many D. a lot ▷（ 78 ）Lily: In Qingdao, we have wind power and solar power. These are ______ of green energy. A. type B. types C. typing D. typed ★ 拓展题（选择题） ★（ 79 ）Zhang Hao wrote: "We should bring our own ______ to the supermarket. This reduces the number of plastic ______ we use." A. bags; bag B. bag; bags C. bags; bags D. bag; bag ★（ 80 ）Bella: I'm writing a letter to the editor. Help me check: "We use too ______ energy every day. We waste too ______ resources." A. many; many B. much; many C. much; much D. many; much ★（ 81 ）Jam: Look at this sentence from the book: "Small changes can make a big difference." The word "changes" here is ______. A. a verb B. an adjective C. a noun in plural form D. a noun in singular form 考点十：综合语用与情境交际（阅读理解、补全对话、书面表达） 【考点详解】本考点综合考查本单元核心语言知识在真实语境中的运用，包括：①阅读理解（如Lily's Green Trip日记、太阳能烤箱故事）；②补全对话（询问能源、给出建议）；③书面表达（给编辑写建议信）；④项目展示（make slides、give a presentation）。做题关键：紧扣单元核心句型和词汇，注意上下文逻辑连贯，人称和时态一致。 ◇ 基础题（选择题） ◇（ 82 ）Read Lily's diary: "Today I took a quick shower. I turned off the light when I left. I used both sides of my notebook paper." What is Lily's diary about? A. Her school subjects B. Her family trip C. Saving energy in daily life D. Cooking with solar power ◇（ 83 ）Complete the dialogue: Chen Wei: Hi, Jam. Any ideas about our project? Jam: Maybe we can talk about ______. Chen Wei: Good idea! We use it every day. A. popcorn B. water power C. mice D. snow ◇（ 84 ）Which sentence is from the Reading Time story about the solar oven? A. "We should use energy in smart ways." B. "The cat is afraid of the mice." C. "How does the box keep the heat?" D. "Turn off the lights, please." ▷ 提升题（选择题） ▷（ 85 ）Olivia is writing a letter to the editor. Put the sentences in the RIGHT order: ①Sincerely, Olivia ②Dear Editor, ③We are running out of resources. ④Here are my ideas. ⑤Tips to save energy and resources: A. ②⑤③④① B. ②③④⑤① C. ②④③⑤① D. ②③⑤④① ▷（ 86 ）Read the text: "We use green energy to light, heat and cool our homes. We use electricity to run cars, buses and trains." What is the BEST title for this text? A. How to Cook Food B. Uses of Energy C. Why We Need Water D. How to Make Friends ▷（ 87 ）Chen Wei: I want to give a presentation about green energy. What should I include in my slides? A. Opening — Main body — Ending B. Only pictures of animals C. A long list of new words D. My favourite food recipes ★ 拓展题（选择题） ★（ 88 ）Bella: In Xiamen, many buildings have solar panels on the roof. People there say: "We use solar power to heat water. It's clean and free from the sun." What can we infer? A. Solar power is expensive in Xiamen. B. Xiamen has a lot of sunlight. C. People in Xiamen don't like solar power. D. Solar panels don't work on roofs. ★（ 89 ）Zhang Hao wrote a summary: "______. Wind power, solar power and water power are types of green energy. They are clean and good for Mother Earth. Small changes can make a big difference." Which sentence best starts the summary? A. I don't like energy B. Energy is running out C. We should use energy in smart ways D. My father drives a car ★（ 90 ）Lily: If we all follow the 3R rules, what will happen? A. Mother Earth will run out of resources faster. B. We will use more plastic bags. C. Our Earth will become a better place. D. The weather will get hotter. Part 3 参考答案与详细解析 答案速查表 题号 答案 题号 答案 题号 答案 1 B 3 C 5 C 4 B 6 D 8 B 7 B 9 A 11 A 10 C 12 B 14 B 13 C 15 C 17 B 16 B 18 A 20 C 19 A 21 B 23 B 22 A 24 A 26 C 25 D 27 B 29 D 28 C 30 C 32 C 31 B 33 B 35 C 34 A 36 B 38 A 37 A 39 B 41 A 40 C 42 B 44 A 43 A 45 A 47 B 详细解析 考点一：绿色能源单词辨析（energy / power / electricity / solar / wind / water） 【基础题解析】 1. 【答案】B 【解析】句意：我们利用来自太阳的______来发电。solar power意为"太阳能"，来自太阳的能源即太阳能，故选B。A项wind（风）不对；C项water power（水能）不对；D项electricity（电）是发电的结果而非来源。 2. 【答案】C 【解析】句意：流水可以发电。make electricity为固定搭配，意为"发电"，是本单元核心短语。A项energy（能源）过于宽泛；B项solar（太阳的）是形容词；D项wind（风）不合逻辑。 3. 【答案】C 【解析】句意：风能、太阳能和水能是绿色能源的种类。wind power意为"风能"，与solar power、water power并列，均为绿色能源。A/B/D项（煤/石油/天然气）均为不可再生能源，不属于green energy。 【提升题解析】 4. 【答案】B 【解析】句意：——关于它你知道什么？——流水可以发电。running water为固定表达，意为"流水/流动的水"，running为现在分词作定语修饰water。A项run water不是固定搭配；C/D项动词形式错误。 5. 【答案】C 【解析】句意：我们也可以从海洋中获取能源。get power from the sea意为"从海洋中获取动力/能源"，对应water power（水能）。A项solar power来自太阳；B项wind power来自风；D项electricity power搭配不当。 6. 【答案】D 【解析】句意：Lily正在写关于绿色能源的文章。哪一个不是绿色能源？coal power意为"煤炭能源"，属于不可再生能源，不是绿色能源。A/B/C均为本单元所学绿色能源。 【拓展题解析】 7. 【答案】B 【解析】句意：我们用绿色能源来照明、供暖和给我们的家降温。句中light(照明)、heat(供暖)均为动词，cool与它们并列，也应为动词，意为"使……变凉/降温"。此处考查词性转换，cool作动词的用法是易错点。 8. 【答案】B 【解析】句意：地球母亲正在耗尽______。我们应该节约它们。run out of resources为单元核心表达，意为"耗尽资源"。resource用复数resources表示多种资源。A项energies不常用复数；C项powers意为"力量"；D项electricities用法错误。 9. 【答案】A 【解析】句意：在青岛，我们可以用______发电，因为它靠近大海。而且______能来自各地的太阳。靠近大海对应water power（水能），来自太阳对应solar power（太阳能）。考查地理常识与能源单词的结合，A项符合逻辑。 考点二：use ... to do 句型（用……来做……） 【基础题解析】 10. 【答案】C 【解析】句意：我们用风能来发电。use ... to do sth.为固定结构，to后接动词原形make。A项缺少to；B项makes为三单形式；D项making为动名词，均不符合use...to do结构。 11. 【答案】A 【解析】句意：我们用绿色能源给我们的家照明、供暖和降温。use sth. to do结构中to后接动词原形，三个动词light、heat、cool并列，均用原形。B项为三单形式；C项为动名词；D项为过去式，均错误。 12. 【答案】B 【解析】句意：我们用太阳能来保持我们的房子在冬天温暖。use ... to do结构，to后接动词原形keep。A项缺少to；C项keeping为动名词；D项keeps为三单形式。 【提升题解析】 13. 【答案】C 【解析】句意：哪个句子是错误的？C项语序错误，正确应为We use solar power to light houses. 其他选项均符合use...to do结构：A用水做饭；B用电驱动汽车；D用风发电。 14. 【答案】B 【解析】句意：——我们如何用水发电？——我们用流水来发电。running water为"流水"，use...to do结构中to后接动词原形make。A项缺少to；C项runs为动词三单；D项run为动词原形但making形式错误。 15. 【答案】C 【解析】句意："我们用电驱动小汽车、公交车和火车。"画线部分的意思是______。use electricity to run vehicles意为"用电使车辆运行"，即electricity makes cars run（电使汽车运行）。A项electricity can run cars表达不地道；B/D项逻辑错误。 【拓展题解析】 16. 【答案】B 【解析】句意：Lily想改写"我们用纸张双面"。她可以说："我们用纸张双面______。"补充目的状语，用use...to do结构，to save trees表示"为了节约树木"。A项缺少to；C项saving为动名词；D项saved为过去分词。 17. 【答案】B 【解析】句意：爷爷用太阳能烤箱______食物。太酷了！太阳能烤箱用______来烹饪。第一空use...to cook；第二空sunlight为不可数名词，意为"阳光"，无复数形式。A项cook缺少to；C项sunlights复数错误；D项cooking形式错误。 18. 【答案】A 【解析】句意：在厦门，许多人使用太阳能热水器。这意味着他们用______来______水。solar water heater意为"太阳能热水器"，即利用sunlight（阳光）来heat（加热）水。heat在此为动词"加热"。B项hot为形容词；C项hot为形容词；D项heating为动名词。 考点三：should / shouldn't 提建议句型 【基础题解析】 19. 【答案】A 【解析】句意：我们______节约能源。这对地球母亲很重要。根据语境，节约能源是正确做法，用should（应该）。B项shouldn't意为"不应该"，与句意相反；C项can意为"能"，语气不如should贴切；D项don't后需接动词原形save，但否定意义不对。 20. 【答案】C 【解析】句意：——地球母亲正在耗尽资源。我们______做什么？What should we do?为本单元核心问句，意为"我们应该做什么？"。A项What can we do意为"我们能做什么"，侧重能力；C项should侧重"应该/责任"，更贴合环保语境。 21. 【答案】B 【解析】句意：我们______浪费水。我们应该节约它。根据后句save it可知前句为否定，shouldn't waste意为"不应该浪费"。A项should waste（应该浪费）与句意相反；C项can waste（能浪费）逻辑不对；D项are waste搭配错误。 【提升题解析】 22. 【答案】A 【解析】句意：——我总是让灯亮着。——你离开房间时______灯。根据语境，离开房间应该关灯，should turn off意为"应该关闭"。B项turn on（打开）与语境相反；C项shouldn't turn off（不应该关）错误；D项turn on（打开）不对。 23. 【答案】B 【解析】句意：哪个句子正确？B项She should unplug the TV.（她应该拔掉电视插头）符合should+动词原形结构。A项uses应为use；C项brushing应为brush；D项to save应为save。 24. 【答案】A 【解析】句意：——我们应该快速淋浴吗？——是的，______。这节约能源。Should we...?的肯定回答为Yes, we should. 否定回答为No, we shouldn't. 根据It saves energy可知为肯定回答。 【拓展题解析】 25. 【答案】D 【解析】句意：Bella正在写建议信。哪个句子不属于节约能源的建议信？D项"我们应该多开车少走路"与节能背道而驰，正确应为drive less and walk more。A/B/C均为本单元节能建议。 26. 【答案】C 【解析】句意：——我爸爸经常用空调。我该告诉他什么？——你可以说："爸爸，你应该______用空调。设为26℃或更高。"根据节能原则，should use less（应该少用），less为little的比较级。A项more（更多）与节能相反；B项shouldn't...less双重否定逻辑混乱；D项more不对。 27. 【答案】B 【解析】句意：在昆明，夏天不太热。所以那里的人们______像武汉人那样多用空调。根据语境，昆明凉爽，不应该过度使用空调，shouldn't use...as much（不应该像……那样多用）。考查shouldn't结合生活常识的运用。 考点四：3R原则辨析（Reduce / Reuse / Recycle） 【基础题解析】 28. 【答案】C 【解析】句意：我们应该______塑料袋的使用。自带购物袋。自带袋子意味着减少塑料袋的使用，reduce意为"减少"。A项reuse（重复使用）强调再次使用塑料袋；B项recycle（回收）强调回收加工；D项waste（浪费）与句意相反。 29. 【答案】D 【解析】句意：我们可以______旧瓶子作为笔筒。那是个聪明的主意！reuse意为"重复使用"，强调不丢弃旧物直接再次利用。A项reduce（减少）不对；B项recycle（回收）强调加工再造，而此处是直接利用；C项waste（浪费）错误。 30. 【答案】C 【解析】句意：我们应该______瓶子和盒子。它们可以被制成新东西。recycle意为"回收再利用"，强调将废品回收加工制成新产品。A项reduce（减少）不对；B项reuse（重复使用）强调直接再用而非加工；D项waste（浪费）错误。 【提升题解析】 31. 【答案】B 【解析】句意：——我洗了这个塑料瓶。我能再次用它来装花吗？——当然！那是______。清洗后再次直接使用瓶子，属于reuse（重复使用）。A项reduce（减少）不对；C项recycle（回收）需要加工处理；D项waste（浪费）错误。 32. 【答案】C 【解析】句意：——这个纸箱旧了。我要把它放进回收箱。——好的！那是______。放入recycling bin（回收箱）等待加工再造，属于recycle（回收再利用）。A项reduce（减少）；B项reuse（重复使用）强调直接再用；D项save（节约）不贴切。 33. 【答案】B 【解析】句意：哪一个是Reduce（减少）的例子？B项"关灯以减少用电"是源头减量，属于Reduce。A项"清洗后再用瓶子"是Reuse；C项"把纸放进回收箱"是Recycle；D项"用旧盒子做玩具"是Reuse。 【拓展题解析】 34. 【答案】A 【解析】句意：在济南，我们学校有一个3R项目。我们用纸双面（reuse重复使用），自带购物袋（reduce减少塑料袋使用），把旧报纸放进回收箱（recycle回收）。use both sides of paper是Reuse；bring own bags是Reduce；recycling bin是Recycle。 35. 【答案】C 【解析】句意："我们快速淋浴。"——这是______。快速淋浴用更少的热水，从源头减少能源消耗，属于Reduce（减少）。A项Reuse（重复使用）不对；B项Recycle（回收）不对；D项Save不是3R原则中的术语。 36. 【答案】B 【解析】句意：在家里，我们______旧衣服送给更小的孩子。我们也______购买的塑料瓶数量。我们______纸来制作新笔记本。give old clothes to kids是Reuse（再次利用）；reduce the number（减少数量）是Reduce；recycle paper（回收纸）是Recycle。顺序为reuse; reduce; recycle。 考点五：节能建议句型（We should... / We can... / Don't...） 【基础题解析】 37. 【答案】A 【解析】句意：我们______快速淋浴。这节约能源。此处表达建议/责任，用should（应该）。B项can（能）侧重能力；C项are后需接doing；D项do后接动词原形但语义不表建议。 38. 【答案】A 【解析】句意：我们可以______纸的双面。那是个好习惯。can后接动词原形use。B项uses为三单；C项using为动名词；D项used为过去式。 39. 【答案】B 【解析】句意：______浪费水。请关掉水龙头。祈使句否定式以Don't开头，Don't waste water意为"不要浪费水"。A项Not不能单独构成祈使句；C项No后接名词；D项Not to不构成祈使句。 【提升题解析】 40. 【答案】C 【解析】句意：哪一对句子意思相同？①We should turn off the lights（我们应该关灯）与③Don't keep the lights on（别让灯一直亮着）表达相同的节能建议。②We can turn off the lights侧重"能够关灯"，语气不同。故选C。 41. 【答案】A 【解析】句意：——我们如何节约用电？——我们______使用LED灯。它用电更少。回答How can we...?时可用We should...给出建议。should use LED lighting意为"应该使用LED灯"。B/C/D项均不符合建议句型。 42. 【答案】B 【解析】句意：Lily写了三条建议。哪一个用了错误的动词形式？B项can walking错误，can后应为动词原形walk。A项should unplug正确；C项should turn off正确；D项Don't waste正确。 【拓展题解析】 43. 【答案】A 【解析】句意：在厦门，天气温暖。我们______打开窗户呼吸新鲜空气，而不是用空调。这是______能源的聪明方法。第一空can open（可以打开）或should open均可，但第二空to save为不定式，需用动词原形save。B项saves为三单；C项saves错误；D项saving为动名词。 44. 【答案】A 【解析】句意：每个人______做些什么。小小的改变______产生很大的影响。Everyone can do something（每个人都能做点什么）用can表能力；Small changes can make a big difference（小改变能带来大不同）用can表可能性。两个can分别表达"能力"和"可能性"，是本单元金句。 45. 【答案】A 【解析】句意：我想给编辑写建议信。哪个开头最好？A项"亲爱的编辑，我们的资源正在耗尽。这是我的想法。"直接点明主题，符合本单元Write a letter板块的格式。B/C/D项均偏离节能建议主题。 考点六：Where does ... come from? 询问来源 【基础题解析】 46. 【答案】B 【解析】句意：——水来自哪里？——它来自河流、湖泊和海洋。water为不可数名词，视为单数，助动词用does。come用原形。A项do用于复数主语；C项is后不接动词原形come；D项are后不接come。 47. 【答案】B 【解析】句意：——电来自哪里？——它来自绿色能源。答语中主语It为单数，动词come需加s变为comes。A项come为原形；C项coming为现在分词；D项to come为不定式。 48. 【答案】B 【解析】句意：——你来自哪里？——我来自青岛。问句用do（you为复数），答语中I后用动词原形come。A项comes用于单数主语；C项coming为现在分词；D项to come为不定式。 【提升题解析】 49. 【答案】C 【解析】句意：哪个问题是正确的？C项Where does water come from?结构正确：does（单数主语water）+ come（原形）。A项comes应为come；B项do应为does；D项is与come搭配错误。 50. 【答案】B 【解析】句意：——太阳能来自哪里？——它来自太阳。solar power为单数，答语用It comes from the sun. A项come应为comes；C项They应为It；D项语序错误。 51. 【答案】B 【解析】句意：——风能来自哪里？——它来自风。wind power为单数，助动词用does；come from the wind意为"来自风"，wind为名词。A项do用于复数；C项is搭配错误且windy为形容词；D项windy错误。 【拓展题解析】 52. 【答案】B 【解析】句意：——我知道水来自河流和湖泊。那么电来自______？——它来自发电站。根据答语"来自发电站"可知问的是地点，用Where。A项What问事物；C项How问方式；D项Why问原因。 53. 【答案】B 【解析】句意：在武汉，夏天很热。许多人用空调。但是电______哪里？疑问句中助动词does已体现时态和人称，come用原形，即come from。A项comes多此一举；C项coming为分词；D项to come为不定式。 54. 【答案】B 【解析】句意：我们从海洋获取能源。我们也从太阳和风获取能源。所以能源来自______？它来自______。energy为不可数名词（单数），助动词用does；nature为名词"大自然"，come from nature意为"来自大自然"。C项natural为形容词；A/D项do错误。 考点七：What do you know about ...? 询问了解程度 【基础题解析】 55. 【答案】B 【解析】句意：——关于太阳能你知道些什么？——______。问句问"了解什么"，答语应陈述事实：It comes from the sun（它来自太阳）。A项"我很喜欢它"答非所问；C项"我有两个"不对；D项"它是一辆车"错误。 56. 【答案】A 【解析】句意：——关于水能你知道些什么？——______。A项"流水可以发电"是关于water power的事实陈述，符合语境。B/C/D项虽然都是关于水的真话，但不是关于"水能"的核心知识。 57. 【答案】A 【解析】句意：——关于风能Olivia知道什么？——她知道______。A项"风是流动的空气"是关于wind的科学事实，符合know about wind power的语境。B项"她喜欢有风的日子"不是知识性回答；C项"风来自太阳"不科学；D项"她能看到风"错误。 【提升题解析】 58. 【答案】A 【解析】句意：在做关于能源的科学项目之前，哪个问题最好？A项"关于能源你知道些什么？"能激活已有知识，符合本单元KWL表格中"What do I know"的设计理念。B项"你喜欢能源吗"不恰当；C/D项表达不科学。 59. 【答案】A 【解析】句意：——我想了解更多关于水能的知识。我该做什么？——你可以______。根据课文原文"Let's go to the library. We can work on it together."可知去图书馆查找资料是正确做法。B/C/D项与了解水能无关。 60. 【答案】D 【解析】句意：——关于太阳能你想了解什么？——我想知道______。want to know后接"疑问词+不定式"结构，how to make power from the sun意为"如何利用太阳制造能源"。A项how do we为疑问句语序，在宾语从句中应为陈述语序；B项how we make虽为陈述语序但缺少不定式符号to；C项语法错误。 【拓展题解析】 61. 【答案】B 【解析】句意：Bella在填写KWL图表。K（已知）：水能发电。W（想知）：______？L（已学）：水能来自河流和大坝中的流水。根据课文"where does water come from? How do we make power from water?"可知B项"我们如何用水制造能源"是想要了解的问题，与L中的答案对应。A项已在K中涉及；C/D项偏离主题。 62. 【答案】D 【解析】句意：在昆明，许多屋顶上有太阳能板。那里的人们很了解太阳能。他们可以告诉你______。A/B/C三个选项都是关于solar power的相关知识，了解太阳能的人都可能知道，故选D（以上全部）。考查对"know about"的综合理解。 63. 【答案】B 【解析】句意：——关于3R原则你知道什么？——让我告诉你。______。Reduce意为少用。Reuse意为再次使用。Recycle意为用旧物制造新物。B项"它们是关于节约能源的"是对3R规则的总体概括，与后文的具体解释逻辑连贯。A/C/D项与后文矛盾。 考点八：节能动词短语辨析（turn off / turn on / unplug / take quick showers） 【基础题解析】 64. 【答案】B 【解析】句意：离开教室时请______灯。离开时应关灯，turn off意为"关闭"。A项turn on（打开）与语境相反；C项unplug（拔插头）通常用于电器而非灯具开关；D项open（打开）不用于灯。 65. 【答案】C 【解析】句意：当我们不用电脑和电视时，应该总是______它们。根据课文"We should always unplug our computers and TVs"，unplug意为"拔掉电源插头"，比turn off更彻底地断电。B项turn off（关闭）虽也可，但课文原词为unplug，且unplug更彻底。 66. 【答案】B 【解析】句意：快速淋浴用______热水，所以我们节约能源。快速淋浴用更少的水，less为little的比较级，修饰不可数名词water。A项more（更多）与节能相反；C项many修饰可数名词；D项a lot of（大量）不对。 【提升题解析】 67. 【答案】A 【解析】句意：哪一个是"turn off"的反义词？turn off意为"关闭"，其反义词为turn on（打开）。B项unplug（拔插头）近义于turn off；C项close（关闭）近义；D项stop（停止）近义。 68. 【答案】A 【解析】句意：——七月武汉很热。我应该用空调吗？——是的，但把它______26℃或更高。set...to...为本单元短语，意为"将……设为……温度"。B项turn it to搭配不当；C项make it to意为"赶到"；D项use it to不对。 69. 【答案】B 【解析】句意：——我以前刷牙时让水龙头一直流水。现在我把它关掉。这是一种______的方法。关掉水龙头是节约用水的行为，save water意为"节约用水"。A项waste water（浪费水）是以前的行为；C项use more water（用更多水）不对；D项clean the tap（清洁水龙头）无关。 【拓展题解析】 70. 【答案】C 【解析】句意：在厦门，夏天很长。许多家庭每天用空调。最聪明的节能方式是什么？C项"设为26℃并在外面凉爽时开窗"结合了课文建议set to 26℃和open windows，最为合理。A项完全不用不现实；B项开门用空调浪费能源；D项频繁开关更费电。 71. 【答案】C 【解析】句意：爷爷用太阳能烤箱做饭。他在里面放黑纸。为什么？因为黑纸______。根据Reading Time课文，黑色纸张吸收并保留热量（keep the heat），这是科学原理。A项"看起来好看"不对；B项"便宜"不是原因；D项"使食物变黑"错误。 72. 【答案】C 【解析】句意：在济南的学校，我们有一条规则："最后一节课后关灯。"这条规则是关于______。关灯是节约用电的行为，saving electricity意为"节约电力"。A项reusing（重复使用）不对；B项recycling（回收）不对；D项saving water（节水）不对。 考点九：名词单复数与不可数名词（resource/resources, energy, electricity, paper） 【基础题解析】 73. 【答案】C 【解析】句意：地球母亲正在耗尽______。我们应该节约它们。them指代复数名词，resources为复数形式，且run out of resources为本单元核心表达。A/B/D项均为不可数名词，不能用them指代。 74. 【答案】A 【解析】句意：我们应该用______纸。双面使用！paper为不可数名词，修饰不可数名词表示"更少"用less。B项fewer修饰可数名词复数；C项many修饰可数名词；D项a lot of（大量）与节能语境相反。 75. 【答案】C 【解析】句意：我们可以回收瓶子和______。它们可以被制成新东西。bottles为复数，boxes也应为复数，box的复数形式为boxes（以x结尾加es）。A项box为单数；B项boxs拼写错误；D项a box为单数。 【提升题解析】 76. 【答案】C 【解析】句意：哪个句子用了正确的复数形式？C项"我们回收旧瓶子和盒子"中bottles和boxes复数形式均正确。A项energys应为energy（不可数）；B项resouces拼写错误，应为resources；D项electricity不可数，不能用many修饰。 77. 【答案】B 【解析】句意：——我们如何节约用电？——用LED灯。它用______电力且更耐用。power（电力）为不可数名词，修饰词用less（更少）。A项fewer修饰可数名词；C项many修饰可数名词；D项a lot后需加of。 78. 【答案】B 【解析】句意：在青岛，我们有风能和太阳能。这些是绿色能源的______。these are后接复数名词，types of green energy意为"绿色能源的种类"。A项type为单数；C项typing为动名词；D项typed为过去分词。 【拓展题解析】 79. 【答案】C 【解析】句意：我们应该带自己的______去超市。这减少了我们使用的塑料袋的______。own后接复数bags（自己的袋子），the number of plastic bags中bags也为复数。两次均用bags，选C。 80. 【答案】B 【解析】句意："我们每天用太多能源。我们浪费太多资源。"energy为不可数名词，用much修饰；resources为可数名词复数，用many修饰。too much energy和too many resources均为正确搭配。 81. 【答案】C 【解析】句意：书中这句话"小改变能带来大不同"中，"changes"一词是______。changes在此为名词"变化"的复数形式（以s结尾），作主语。A项动词不对；B项形容词不对；D项单数形式不对。 考点十：综合语用与情境交际（阅读理解、补全对话、书面表达） 【基础题解析】 82. 【答案】C 【解析】句意：阅读Lily的日记。日记描述了快速淋浴、关灯、双面用纸等行为，均为节约能源的日常行动，对应课文Lily's Green Trip板块。A项"学校科目"不对；B项"家庭旅行"不对；D项"用太阳能做饭"未提及。 83. 【答案】B 【解析】句意：完成对话。——嗨，Jam。关于我们的项目有什么想法吗？——也许我们可以谈论______。——好主意！我们每天都用它。根据课文原文"Maybe we can talk about water power." "We use water every day."可知B项正确。A/C/D项均非课文项目内容。 84. 【答案】C 【解析】句意：哪个句子来自关于太阳能烤箱的Reading Time故事？C项"这个盒子如何保持热量？"是Reading Time中的科学探究问题。A项来自单元主题句；B项来自旧版How do you feel单元；D项为节能建议。 【提升题解析】 85. 【答案】B 【解析】句意：Olivia正在给编辑写信。将句子按正确顺序排列。英文书信格式：②开头称呼Dear Editor → ③点明问题We are running out of resources → ④引出建议Here are my ideas → ⑤具体内容Tips to save... → ①结尾署名Sincerely, Olivia。顺序为②③④⑤①。 86. 【答案】B 【解析】句意：阅读短文，最佳标题是什么？短文讲述绿色能源用于照明、供暖、降温，电力用于驱动车辆，均围绕"能源的用途"展开，故B项Uses of Energy（能源的用途）最贴切。A/C/D项均偏离主题。 87. 【答案】A 【解析】句意：我想做一个关于绿色能源的演示。我的幻灯片应该包含什么？根据Section C项目要求，演示文稿应包含Opening（开头引入主题）、Main body（主体内容）、Ending（结尾总结），即结构化写作。B/C/D项均不符合绿色能源演示要求。 【拓展题解析】 88. 【答案】B 【解析】句意：在厦门，许多建筑屋顶有太阳能板。人们说："我们用太阳能加热水。它清洁且来自太阳。"我们能推断出什么？广泛使用太阳能板说明厦门阳光充足（has a lot of sunlight）。A项"昂贵"不对；C项"不喜欢"与事实相反；D项"不工作"错误。 89. 【答案】C 【解析】句意：哪句话最适合作为摘要的开头？C项"我们应该聪明地使用能源"是单元核心观点，与后文"风能、太阳能、水能是绿色能源"和"小改变带来大不同"逻辑连贯。A/B/D项与后文不连贯。 90. 【答案】C 【解析】句意：如果我们都遵循3R原则，会发生什么？遵循Reduce/Reuse/Recycle原则，节约资源、保护环境，地球会变得更美好（Our Earth will become a better place）。A项"资源更快耗尽"相反；B项"用更多塑料袋"相反；D项"天气更热"无关。 — 第 页 — 学科网（北京）股份有限公司 $