Unit 4 课时2 Section 1-3 Listening and Speaking（分层作业）英语新教材沪教版七年级上册

**基本信息** 初中英语Unit 4 The Earth课时2分层作业，通过A组巩固基础、B组能力进阶、C组思维拔高的三级设计，实现从词汇句型到语篇应用的知识递进，培养语言能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |A组|核心词汇、基础句型、语音规则|首字母填空、汉译英夯实基础，直接对应新授知识点| |B组|语音辨音、情景对话应用|辨音题强化单元音/辅音规则，补全对话提升交际能力| |C组|语篇理解、综合语言运用|完形填空与阅读理解培养语篇分析能力，选词填空深化逻辑思维|

Unit 4 The Earth 课时2 Section 1-3 Listening and Speaking分层作业 A组 巩固过关 C组 思维拔高 B组 能力进阶 ( 词汇 disappear v. 消失；不见 plastic n. 塑料 pollution n. 污染 protect v. 保护 chemical n. 化学制品；化学品 groundwater n. 地下水 burn v. 燃烧；烧 oil n. 石油；原油 gas n. 天然气 harmful adj. 有害的 plastic pollution 塑料污染 cut down 砍倒 be in danger 处于危险中 because of 因为 get ill 生病 fewer and fewer 越来越少 more and more 越来越多 harmful gases 有害气体 句型 1.How many big oceans are there on Earth?地球上有多少个大洋？ 2.The sea is getting warmer because of global warming.由于全球变暖，海洋正在变得越来越暖。 3.Many kinds of fish are dying out.许多种类的鱼正在灭绝。 语音： 掌握单元音/ʌ/ /ɑː/ /ɒ/ /ʊ/ /ɔː/ /uː/和辅音/k/,/g/的拼读规则. ) 一、首字母填空 1.Many animals will d________ if we don’t protect their homes. 2.Too much p________ is bad for our earth. 3.We must p________ our earth for future generations. 4.People use many c________ to make different products. 5.This factory is polluting the g________ nearby. 6.People b________ coal to get heat in cold areas. 7.O________ and gas are important kinds of energy. 8.We use g________ for cooking in many homes. 9.Some waste is h________ to our health. 10.People throw too much p________ into the sea. 二、根据中文意思补全英文（每空一词） 1._______________ _______________（塑料污染）is a serious problem for the world. 2.Humans _______________ _______________（砍倒）lots of trees every year. 3.塑料污染使许多海洋生物生病。 _____________ _____________ makes many sea animals ____________ _____________. 4.因为人们捕捉了太多的鱼，海里的鱼越来越少。 There are __________ ________ _____________ __________ in the sea because people catch too many fish. 一、指出下列划线部分读音不同的单词 1．A．other B．wash C．want D．doctor 2．A．full B．food C．look D．foot 3．A．put B．push C．should D．pollute 4．A．half B．card C．after D．August 5．A．bike B．carry C．knife D．take 6．A．brother B．must C．home D．month 7．A．doctor B．important C．report D．August 8．A．should B．blue C．food D．pollute 9．A．uncle B．card C．clock D．scientist 10．A．page B． gate C．vegetable D．stage 二、补全对话。选择合适的句子补全对话，把序号写在横线上。 A: Hi, Su Yang. 1 B: It’s on the 22nd of April. A: Wow, I didn’t know that. 2 B: We will have a special activity at school. We’ll talk about protecting the Earth. A: That sounds meaningful. 3 B: We should save water and energy every day. We can also reuse paper and plastic bags. A: 4 B: Of course. We shouldn’t litter or cut down trees. Animals are our friends too. A: I agree. 5 B: Let’s start from small things together! A．What should we do to protect the Earth? B．When is World Earth Day? C．What will you do on that day at school? D．Should we protect animals as well? E．How can we make our school greener? F．Why do we need to protect the Earth? 一、完形填空 阅读下面短文，掌握其大意，然后从各题所给的 A、B、C、D 四个选项中选出最佳选项。 The Earth is our beautiful home. It has high mountains, blue seas and green forests. It 1 us with all the things we need, like food, water and air. But now, the Earth is facing many 2 . People hurt the Earth in many ways. Fishermen catch too many fish, so there are 3 fish in the sea. Farmers use dangerous chemicals, and the groundwater becomes 4 . Factories burn oil and gas to make energy, and they produce lots of 5 gases. People also cut down many trees to build farms, so forest land is getting 6 . These problems are very serious. But it’s not too late to help. We can do many small things to protect the Earth. For example, we can bring our own 7 bags to the supermarket instead of plastic ones. We can also ask factories to stop 8 rivers and lakes. Students can take part in beach clean-up days to pick up rubbish. Every small action 9 . Let’s work together to keep the Earth clean and beautiful. We only have one home, and we must protect it 10 . 1．A．provides B．gives C．takes D．makes 2．A．problems B．people C．animals D．plants 3．A．more and more B．fewer and fewer C．bigger and bigger D．cleaner and cleaner 4．A．clean B．fresh C．dirty D．cold 5．A．safe B．clean C．harmful D．useful 6．A．more B．less C．bigger D．larger 7．A．plastic B．shopping C．school D．food 8．A．polluting B．pollute C．to pollute D．polluted 9．A．pays B．costs C．works D．matters 10．A．good B．well C．bad D．badly 二、阅读理解 When people started using plastic in the 1950s, they found it such a wonderful thing. It helps keep food better and longer, make machines lighter, and protect against illness. But we find something bad after overusing it. Plastic is hard to break down (分解). Poisonous things in it pollute the water and soil. They are making environmental (环境的) problems. A whale died (死) in Thailand not long ago. Its stomach was full of plastic bags. Sea birds think little plastic things are food, so they feed their chicks with them, Many animals like these died because of them. Plastic also goes into our bodies. Very little plastic is almost everywhere, even in water and food. When we eat the food and drink the water with very little plastic in it, it gets into our bodies and it’s bad for our health. Now, we should take action to use less plastic. First, we should stop using all single-use (一次性的) plastic we do not need. Don’t use plastic straws (吸管), plastic knives and forks, plastic cups and bags. We can all drink from a glass, without plastic straws. Second, we can use other things to take the place of plastic ones. Bamboo is friendly to our Earth. It provides food for giant pandas and mountain gorillas. Also, planting bamboo is good for land and soil. Third, we need to recycle (再利用), We can stop using single use plastic, but we still have many plastic products which are useful to us and not so easy to be taken the place of. For example, workers use many kilos of plastic to make cars because it makes the car lighter and need less energy. This plastic must be recycled. Waste is a potential resource. We can turn it into new products, creating jobs and protecting Mother Earth at the same time. 1．According to the passage, we use plastic to ________. ①keep food better and longer ②make some machines lighter ③protect against different illness ④help find out many new things A．①②③ B．②③④ C．①②④ D．①③④ 2．Why does using too much plastic make environmental problems? A．Animals like eating plastic things. B．Plastic is hard to break down in nature. C．Sea birds use plastic as food special for their chicks. D．Plastic is almost everywhere in everyone’s body now. 3．What does the underlined word “them” in the second paragraph refer to? A．Sea birds. B．Plastic things C．Animals. D．Chicks. 4．Which of the following is good for the environment? A．Throw away the single-use plastic. B．Pay for the plastic bags while shopping. C．Drink with a plastic straw while in the restaurant. D．Use bamboo to take the place of single-use plastic. 5．What is the best title for the passage? A．Buy What You Really Need B．Different Uses of Plastic C．Plastic, Dangerous or Useful. D．Turn the Waste into Money 三、从方框中选词或短语并用其适当形式完成短文。 hunt, solution, protect, however, blow, war, harm, plant, cut down, own Our planet is facing serious environmental problems, 1 , there are many ways we can help. One problem is air pollution caused by fuels (燃料) like oil and gas. These energy sources release (释放) 2 gases. To find 3 , we can find cleaner choices, such as solar or wind power. Another problem is deforestation (毁林). People 4 lots of trees, which leads to stronger sandstorms. The wind 5 away soil (土壤), making it hard for plants to grow. We can take action by 6 more trees and using recycled paper. Wildlife is also in danger because of illegal (非法的) 7 and lost homes. Each of us can do our 8 part by avoiding products made from endangered animals. 9 also harm the environment by destroying land and polluting water. Peace and cooperation are necessary for 10 the Earth. If everyone makes small changes, together we can create a healthier planet. Let’s act now before it’s too late! 学科网（北京）股份有限公司 $ Unit 4 The Earth 课时2 Section 1-3 Listening and Speaking分层作业 A组 巩固过关 C组 思维拔高 B组 能力进阶 ( 词汇 disappear v. 消失；不见 plastic n. 塑料 pollution n. 污染 protect v. 保护 chemical n. 化学制品；化学品 groundwater n. 地下水 burn v. 燃烧；烧 oil n. 石油；原油 gas n. 天然气 harmful adj. 有害的 plastic pollution 塑料污染 cut down 砍倒 be in danger 处于危险中 because of 因为 get ill 生病 fewer and fewer 越来越少 more and more 越来越多 harmful gases 有害气体 句型 1.How many big oceans are there on Earth?地球上有多少个大洋？ 2.The sea is getting warmer because of global warming.由于全球变暖，海洋正在变得越来越暖。 3.Many kinds of fish are dying out.许多种类的鱼正在灭绝。 语音： 掌握单元音/ʌ/ /ɑː/ /ɒ/ /ʊ/ /ɔː/ /uː/和辅音/k/,/g/的拼读规则. ) 一、首字母填空 1.Many animals will d________ if we don’t protect their homes. 【答案】disappear 【详解】句意：如果我们不保护动物的家园，很多动物将会消失。will 后接动词原形；disappear 意为 “消失；不见”。故填 disappear。 2.Too much p________ is bad for our earth. 【答案】pollution 【详解】句意：过多的污染对我们的地球有害。pollution 为不可数名词，意为 “污染”。故填 pollution。 3.We must p________ our earth for future generations. 【答案】protect 【详解】句意：我们必须为后代保护地球。情态动词 must 后接动词原形；protect 意为 “保护”。故填 protect。 4.People use many c________ to make different products. 【答案】chemicals 【详解】句意：人们使用许多化学制品制造不同产品。many 后接可数名词复数；chemical 意为 “化学制品；化学品”，复数 chemicals。故填 chemicals。 5.This factory is polluting the g________ nearby. 【答案】groundwater 【详解】句意：这家工厂正在污染附近的地下水。groundwater 不可数名词，意为 “地下水”。故填 groundwater。 6.People b________ coal to get heat in cold areas. 【答案】burn 【详解】句意：在寒冷地区人们燃烧煤炭获取热量。本句一般现在时，主语 people 为复数；burn 意为 “燃烧；烧”。故填 burn。 7.O________ and gas are important kinds of energy. 【答案】Oil 【详解】句意：石油和天然气是重要的能源。oil 意为 “石油；原油”，句首首字母大写。故填 Oil。 8.We use g________ for cooking in many homes. 【答案】gas 【详解】句意：很多家庭使用天然气做饭。gas 不可数名词，意为 “天然气”。故填 gas。 9.Some waste is h________ to our health. 【答案】harmful 【详解】句意：一些废弃物对我们健康有害。be harmful to 固定搭配，harmful 形容词 “有害的”。故填 harmful。 10.People throw too much p________ into the sea. 【答案】plastic 【详解】句意：人们向海洋丢弃大量塑料。plastic 不可数名词，意为 “塑料”。故填 plastic。 二、根据中文意思补全英文（每空一词） 1._______________ _______________（塑料污染）is a serious problem for the world. 【答案】Plastic pollution 【详解】固定短语 plastic pollution “塑料污染”，句首首字母大写。故填 Plastic pollution。 2.Humans _______________ _______________（砍倒）lots of trees every year. 【答案】cut down 【详解】cut down “砍倒”；every year 一般现在时，主语 humans 复数，动词用原形。故填 cut down。 3.塑料污染使许多海洋生物生病。 _____________ _____________ makes many sea animals ____________ _____________. 【答案】Plastic pollution；get ill 【详解】plastic pollution 塑料污染，作主语；make sb./sth. do sth. 使…… 做……；get ill 生病。句首首字母大写。故填 Plastic pollution；get ill。 4.因为人们捕捉了太多的鱼，海里的鱼越来越少。 There are __________ ________ _____________ __________ in the sea because people catch too many fish. 【答案】fewer and fewer fish 【详解】比较级 + and + 比较级：fewer and fewer 越来越少，修饰可数名词 fish。故填 fewer and fewer fish。 一、指出下列划线部分读音不同的单词 1．A．other B．wash C．want D．doctor 2．A．full B．food C．look D．foot 3．A．put B．push C．should D．pollute 4．A．half B．card C．after D．August 5．A．bike B．carry C．knife D．take 6．A．brother B．must C．home D．month 7．A．doctor B．important C．report D．August 8．A．should B．blue C．food D．pollute 9．A．uncle B．card C．clock D．scientist 10．A．page B． gate C．vegetable D．stage 【答案】 1．A 2．B 3．D 4．D 5．C 6．C 7．A 8．A 9．D 10．B 【详解】1．other[ˈʌðə]；wash[wɒʃ]，；want[wɒnt]；doctor[ˈdɒktə]。根据音标可知，选项BCD的划线部分发音是[ɒ]，A选项中划线部分读音[ʌ]与其他三项不同。故选A。 2．full[fʊl]；food[fuːd]；look[lʊk]；foot[fʊt]。根据音标可知，选项ACD的划线部分发音是[ʊ]，B选项中划线部分[uː]读音与其他三项不同。故选B。 3．put[pʊt]；push[pʊʃ]；should[ʃʊd]；pollute[pəˈluːt]。根据音标可知，选项ABC的划线部分发音是[ʊ]，D选项中划线部分读音[uː]与其他三项不同。故选D。 4．half[hɑːf]；card[kɑːd]；after[ˈɑːftə]；August[ˈɔːɡəst]。根据音标可知，选项ABC的划线部分发音是[ɑ]，D选项中划线部分读音[ɔ]与其他三项不同。故选D。 5．bike[baɪk]；carry[ˈkæri]；knife[naɪf]；take[teɪk]。根据音标可知，选项ABD的划线部分发音是[k]，C选项中划线部分不发音，与其他三项不同。故选C。 6．brother[ˈbrʌðə]；must[mʌst]；home[həʊm]；month[mʌnθ]。根据音标可知，选项ABD的划线部分发音是[ʌ]，C选项中划线部分发音[əʊ]与其他三项不同。故选C。 7．doctor[ˈdɒktə]；important[ɪmˈpɔːtnt]；report[rɪˈpɔːt]；August[ˈɔːɡəst]。根据音标可知，选项BCD的划线部分发音是[ɔː]，A选项中划线部分读音[ɒ]与其他三项不同。故选A。 8．should[ʃʊd]；blue[bluː]；food[fuːd]；pollute[pəˈluːt]。根据音标可知，选项BCD的划线部分发音是[uː]，A选项中划线部分读音[ʊ]与其他三项不同。故选A。 9．uncle[ˈʌŋkl]；card[kɑːd]；clock[klɒk]；scientist[ˈsaɪəntɪst]。根据音标可知，选项ABC的划线部分发音是[k]，D选项中划线部分读音[s]与其他三项不同。故选D。 10．page[peɪdʒ]；gate[ɡeɪt]；vegetable[ˈvedʒtəbl]；stage[steɪdʒ]。根据音标可知，选项ACD的划线部分发音是[dʒ]，B选项中划线部分[ɡ]读音与其他三项不同。故选B。 二、补全对话。选择合适的句子补全对话，把序号写在横线上。 A: Hi, Su Yang. 1 B: It’s on the 22nd of April. A: Wow, I didn’t know that. 2 B: We will have a special activity at school. We’ll talk about protecting the Earth. A: That sounds meaningful. 3 B: We should save water and energy every day. We can also reuse paper and plastic bags. A: 4 B: Of course. We shouldn’t litter or cut down trees. Animals are our friends too. A: I agree. 5 B: Let’s start from small things together! A．What should we do to protect the Earth? B．When is World Earth Day? C．What will you do on that day at school? D．Should we protect animals as well? E．How can we make our school greener? F．Why do we need to protect the Earth? 【答案】1．B 2．C 3．A 4．D 5．E 【导语】本文是A、B两人围绕世界地球日展开交流：先询问世界地球日的日期，接着聊学校当天的特色活动，然后探讨保护地球的日常做法等。 【详解】1．下文“It’s on the 22nd of April.”是B在回答日期，选项B“When is World Earth Day?”询问地球日的日期，符合语境。 2．下文“We will have a special activity at school. We’ll talk about protecting the Earth.”是B在回答自己学校将举行的活动，可知此处用what引导的特殊疑问句，提问活动，选项C“What will you do on that day at school?”是A在询问对方在那天做什么。 3．下文“We should save water and energy every day. We can also reuse paper and plastic bags.”是B在回答保护地球应该做的事情，此处应是what引导的特殊疑问句，询问保护地球应该做什么，选项A“What should we do to protect the Earth?”是在询问保护地球应该做的事情。 4．下文“Of course. We shouldn’t litter or cut down trees. Animals are our friends too.”是B先进行肯定，接下来表达我们不应该乱扔垃圾或砍树。动物也是我们的朋友。可知问句是询问是否需要保护动物，选项D“Should we protect animals as well?”符合语境。 5．下文“Let’s start from small things together!”是B提出一起从小事开始的建议，选项E“How can we make our school greener?”询问怎样才能让我们的学校更环保和下文的建议相呼应。 一、完形填空 阅读下面短文，掌握其大意，然后从各题所给的 A、B、C、D 四个选项中选出最佳选项。 The Earth is our beautiful home. It has high mountains, blue seas and green forests. It 1 us with all the things we need, like food, water and air. But now, the Earth is facing many 2 . People hurt the Earth in many ways. Fishermen catch too many fish, so there are 3 fish in the sea. Farmers use dangerous chemicals, and the groundwater becomes 4 . Factories burn oil and gas to make energy, and they produce lots of 5 gases. People also cut down many trees to build farms, so forest land is getting 6 . These problems are very serious. But it’s not too late to help. We can do many small things to protect the Earth. For example, we can bring our own 7 bags to the supermarket instead of plastic ones. We can also ask factories to stop 8 rivers and lakes. Students can take part in beach clean-up days to pick up rubbish. Every small action 9 . Let’s work together to keep the Earth clean and beautiful. We only have one home, and we must protect it 10 . 1．A．provides B．gives C．takes D．makes 2．A．problems B．people C．animals D．plants 3．A．more and more B．fewer and fewer C．bigger and bigger D．cleaner and cleaner 4．A．clean B．fresh C．dirty D．cold 5．A．safe B．clean C．harmful D．useful 6．A．more B．less C．bigger D．larger 7．A．plastic B．shopping C．school D．food 8．A．polluting B．pollute C．to pollute D．polluted 9．A．pays B．costs C．works D．matters 10．A．good B．well C．bad D．badly 【答案】 1．A 2．A 3．B 4．C 5．C 6．B 7．B 8．A 9．D 10．B 【导语】本文主要讲述了地球面临的环境问题，如污染和森林减少，并呼吁人们采取行动，通过小事共同保护我们唯一的家园。 【详解】 1．句意：它为我们提供生存所需的一切物资，比如食物、水和空气。 固定搭配“provide sb. with sth.”表示“为某人提供某物”，原文“all the things we need”对应“提供”的语义。gives需用“give sb. sth.”结构；takes“拿走”、makes“制造”均不符合语境。 2．句意：但如今，地球正面临诸多环境问题。 下文提到过度捕捞、污染等负面现象，说明地球面临“问题”。 people“人”、animals“动物”、plants“植物”均与“面临”的负面语境无关。 3．句意：渔民过度捕捞，海里的鱼类变得越来越少。 前半句“catch too many fish”（过度捕鱼）导致鱼“越来越少”，“fewer”修饰可数名词“fish”。more and more与原文逻辑相反；bigger and bigger“越来越大”、cleaner and cleaner“越来越干净”不符合语境。 4．句意：农民使用有害化学药剂，地下水因此遭到污染变浑浊。 “dangerous chemicals”（危险化学品）会使地下水变“脏”。 clean“干净的”、fresh“新鲜的”与化学品污染矛盾；cold“冷的”无关联。 5．句意：工厂燃烧油气生产能源，排放出大量有害气体。 工厂燃烧石油和天然气产生“有害”气体，呼应上文“hurt the Earth”。safe“安全的”、clean“干净的”、useful“有用的”均与污染逻辑不符。 6．句意：人们砍伐大量树木开垦农田，森林面积不断缩减。 “cut down many trees”（砍伐树木）导致森林面积“减少”，“less”修饰不可数名词“land”。  more“更多”与原文逻辑相反；bigger“更大”、larger“更大”不符合语境。 7．句意：比如，我们可以自带购物袋去超市，不使用塑料袋。 “bring...to the supermarket”（带到超市）对应“购物袋”（shopping bags）。plastic“塑料”与“instead of plastic ones”矛盾；school“学校”、food“食物”与超市场景无关。 8．句意：我们也可以要求工厂停止污染河流与湖泊。 固定搭配“stop doing sth.”（停止做某事），需用动名词“polluting”。pollute动词原形；to pollute不定式；polluted过去分词，均不符合语法结构。 9．句意：每一个微小的行动都意义重大。 “Every small action matters”意为“每个小行动都重要”，强调行动的意义。pays“付款”；costs“花费”；works“起作用”，语义不如“matters”贴切。 10．句意：我们只有这一个家园，必须好好守护它。 副词“well”修饰动词“protect”，表示“保护好地球”。good形容词；bad“坏地”、badly“糟糕地”均不符合积极语境。 二、阅读理解 When people started using plastic in the 1950s, they found it such a wonderful thing. It helps keep food better and longer, make machines lighter, and protect against illness. But we find something bad after overusing it. Plastic is hard to break down (分解). Poisonous things in it pollute the water and soil. They are making environmental (环境的) problems. A whale died (死) in Thailand not long ago. Its stomach was full of plastic bags. Sea birds think little plastic things are food, so they feed their chicks with them, Many animals like these died because of them. Plastic also goes into our bodies. Very little plastic is almost everywhere, even in water and food. When we eat the food and drink the water with very little plastic in it, it gets into our bodies and it’s bad for our health. Now, we should take action to use less plastic. First, we should stop using all single-use (一次性的) plastic we do not need. Don’t use plastic straws (吸管), plastic knives and forks, plastic cups and bags. We can all drink from a glass, without plastic straws. Second, we can use other things to take the place of plastic ones. Bamboo is friendly to our Earth. It provides food for giant pandas and mountain gorillas. Also, planting bamboo is good for land and soil. Third, we need to recycle (再利用), We can stop using single use plastic, but we still have many plastic products which are useful to us and not so easy to be taken the place of. For example, workers use many kilos of plastic to make cars because it makes the car lighter and need less energy. This plastic must be recycled. Waste is a potential resource. We can turn it into new products, creating jobs and protecting Mother Earth at the same time. 1．According to the passage, we use plastic to ________. ①keep food better and longer ②make some machines lighter ③protect against different illness ④help find out many new things A．①②③ B．②③④ C．①②④ D．①③④ 2．Why does using too much plastic make environmental problems? A．Animals like eating plastic things. B．Plastic is hard to break down in nature. C．Sea birds use plastic as food special for their chicks. D．Plastic is almost everywhere in everyone’s body now. 3．What does the underlined word “them” in the second paragraph refer to? A．Sea birds. B．Plastic things C．Animals. D．Chicks. 4．Which of the following is good for the environment? A．Throw away the single-use plastic. B．Pay for the plastic bags while shopping. C．Drink with a plastic straw while in the restaurant. D．Use bamboo to take the place of single-use plastic. 5．What is the best title for the passage? A．Buy What You Really Need B．Different Uses of Plastic C．Plastic, Dangerous or Useful. D．Turn the Waste into Money 【答案】1．A 2．B 3．B 4．D 5．C 【导语】本文主要讲述了塑料给人们带来便利，但过度使用带来污染和健康问题。 【详解】 1．细节理解题。根据“It helps keep food better and longer, make machines lighter, and protect against illness.”可知，塑料有助于更好地保存食物，使机器更轻，并防止疾病。故选A。 2．细节理解题。根据“Plastic is hard to break down (分解). Poisonous things in it pollute the water and soil. They are making environmental (环境的) problems.”可知，塑料很难分解，其中有毒的东西会污染水和土壤，造成环境问题。故选B。 3．词义猜测题。根据“Sea birds think little plastic things are food, so they feed their chicks with them, Many animals like these died because of them.”可知，海鸟认为小塑料东西是食物，所以它们用它们来喂养它们的幼鸟，许多像这样的动物因为它们而死亡。因此文中“them”指的是“little plastic things”。故选B。 4．细节理解题。根据“Second, we can use other things to take the place of plastic ones. Bamboo is friendly to our Earth. It provides food for giant pandas and mountain gorillas. Also, planting bamboo is good for land and soil.”可知，可以用竹子代替一次性塑料。故选D。 5．最佳标题题。根据“When people started using plastic in the 1950s, they found it such a wonderful thing. It helps keep food better and longer, make machines lighter, and protect against illness. But we find something bad after overusing it.”及全文可知，本文主要讲了塑料给人们带来便利，但过度使用带来污染和健康问题。所以C选项“塑料，危险还是有用”符合文章最佳标题，故选C。 三、从方框中选词或短语并用其适当形式完成短文。 hunt, solution, protect, however, blow, war, harm, plant, cut down, own Our planet is facing serious environmental problems, 1 , there are many ways we can help. One problem is air pollution caused by fuels (燃料) like oil and gas. These energy sources release (释放) 2 gases. To find 3 , we can find cleaner choices, such as solar or wind power. Another problem is deforestation (毁林). People 4 lots of trees, which leads to stronger sandstorms. The wind 5 away soil (土壤), making it hard for plants to grow. We can take action by 6 more trees and using recycled paper. Wildlife is also in danger because of illegal (非法的) 7 and lost homes. Each of us can do our 8 part by avoiding products made from endangered animals. 9 also harm the environment by destroying land and polluting water. Peace and cooperation are necessary for 10 the Earth. If everyone makes small changes, together we can create a healthier planet. Let’s act now before it’s too late! 【答案】 1．however 2．harmful 3．solutions 4．cut down 5．blows 6．planting 7．hunting 8．own 9．Wars 10．protecting 【导语】本文主要介绍了地球面临的环境问题以及我们可以采取的应对措施。 【详解】 1．句意：我们的地球正面临严重的环境问题，然而，我们有很多方法可以提供帮助。根据“Our planet is facing serious environmental problems...there are many ways we can help.”可知，前后句意存在转折关系，应用however“然而”，后接逗号。故填however。 2．句意：这些能源会释放有害气体。根据“gases”可知，此处需要形容词作定语，harm的形容词形式harmful“有害的”符合语境。故填harmful。 3．句意：为了找到解决方案，我们可以寻找更清洁的选择，比如太阳能或风能。根据“To find...we can find cleaner choices”可知，寻找更清洁的能源是解决空气污染的一个方案，solution“解决方案”是可数名词，此处用复数形式表示泛指。故填solutions。 4．句意：人们砍伐大量树木，导致沙尘暴更加强烈。根据“lots of trees”可知，此处指砍伐树木，cut down“砍伐”是固定短语，时态为一般现在时，主语People是复数。故填cut down。 5．句意：风吹走了土壤，使得植物难以生长。根据“The wind...away soil”可知，风把土壤吹走，blow away“吹走”是固定短语，时态为一般现在时，主语The wind是单数。故填blows。 6．句意：我们可以通过种植更多树木和使用再生纸来采取行动。根据“by...more trees”可知，by是介词，后接动名词，plant“种植”的动名词是planting。故填planting。 7．句意：由于非法捕猎和栖息地的丧失，野生动物也处于危险之中。根据“illegal...and lost homes”可知，野生动物面临的两个威胁是非法捕猎和栖息地丧失，hunt“捕猎”是动词，此处用动名词hunting作介词because of的宾语。故填hunting。 8．句意：我们每个人都可以尽自己的一份力，避免购买由濒危动物制成的产品。根据“Each of us can do our...part”可知，do one’s own part“尽自己的职责”是固定短语。故填own。 9．句意：战争也会通过破坏土地和污染水源来危害环境。根据“...also harm the environment by destroying land and polluting water”可知，战争会对环境造成破坏，war“战争”是可数名词，此处用复数形式表示泛指，用于句首，首字母大写。故填Wars。 10．句意：和平与合作对于保护地球是必要的。根据“Peace and cooperation are necessary for...the Earth”可知，for是介词，后接动名词，protect“保护”的动名词是protecting。故填protecting。 学科网（北京）股份有限公司 $