Unit5单元语法填空专项训练100题 -2025-2026学年仁爱科普版七年级上册英语

仁爱科普版七年级上册英语 Unit5单元语法填空专项训练（含解析） 用括号里单词的正确形式填空。 1. We should try our best to protect the __________ (environmentally) around us. 1. There __________ (be) a lot of wildlife in this area ten years ago, but now it's decreasing. 1. It's important for us __________ (saving) water and energy every day. 1. My father often tells me not __________ (to throw) rubbish randomly. 1. Some children __________ (is planting) flowers in the park to make it more beautiful. 1. The air in the countryside is much fresher than __________ (it) in the city. 1. If we __________ (will cut) down too many trees, the whole ecosystem will be seriously damaged. 1. There will be less __________ (pollute) if everyone takes effective action. 1. We __________ (have been) already visited that nature reserve three times to study the rare plants. 1. Let's go for __________ (a) picnic in the mountains this weekend and enjoy nature. 1. Many animals are in danger because of __________ (the) bad human activities. 1. __________ (It) is necessary for all living things to have clean air. 1. The students are talking about how __________ (protecting) wild animals from extinction. 1. My mother always reminds me to turn off the lights when I __________ (left) the room. 1. There __________ (will have) be a sandstorm tomorrow according to the weather prediction. 1. We must stop __________ (to use) plastic products to keep our planet clean. 1. This river __________ (has became) much cleaner since the government carried out strict environmental policies last year. 1. Would you like __________ (join) our club to contribute to environmental protection? 1. The teacher said that the sun __________ (went) around the earth in the past, but now we know it's the other way around. 1. We __________ (will having) a class meeting about protecting nature this Friday afternoon. 1. We should plant more trees to make our environment __________ (good). 1. It's our duty to protect the wild animals and keep the balance of __________ (natural). 1. Don't throw rubbish into the river, or it will be seriously __________ (pollution). 1. We can save energy by __________ (turn off) the unnecessary electrical appliances. 1. Many animals are losing their __________ (home) because of deforestation and urban expansion. 1. We should use cloth bags instead of __________ (plastics) ones to reduce white pollution. 1. It's important to keep the balance of nature for the __________ (survive) of all species. 1. The temperature is getting higher and higher because of __________ (global warming). 1. We can see many kinds of rare __________ (plant) in the botanical garden. 1. The government is trying to reduce air pollution by __________ (take) various measures. 1. We should recycle paper and glass to save natural __________ (resource). 1. The ocean covers about 71% of the earth's surface and is home to countless __________ (creature). 1. We should protect the natural resources like coal and oil from over - __________ (exploit). 1. It's important for us __________ (learning) how to protect our planet from further damage. 1. We have to take immediate action to prevent the __________ (disappear) of endangered species. 1. The government has made some strict laws to punish those who damage the __________ (environment). 1. We should use public transportation more often to __________ (reduction) air pollution. 1. Sorting garbage properly is a good way to promote resource __________ (recycle). 1. Trees are home to many animals and play a vital role in the __________ (ecosystem). 1. In a rainforest, it is warm and wet, and there is plenty of __________ (rainy). 1. The desert is hot and dry, and it rains very __________ (few) there. 1. Some animals can live in deserts because they have special __________ (adapt) abilities. 1. The plants in the desert, like cactuses, can store water to survive the __________ (dry) conditions. 1. Only a few animals can live in the desert as they have to find ways to get enough __________ (foods). 1. Rainforests are home to many kinds of plants and animals, which is a wonder of __________ (naturally). 1. We should love and protect nature instead of __________ (destruction) it for our own interests. 1. The beauty of nature can bring us inner __________ (peaceful) and joy. 1. Let's enjoy the beauty of different natural places and __________ (appreciation) the gifts of nature. 1. It's going to rain. You'd better take an umbrella with __________ (yourself). 1. A duck can't fly very high, but it can swim __________ (excellent) in the water. 1. My cousin is interested in joining different __________ (activity) related to environmental protection. 1. It's great fun __________ (play) in the snow in winter, but we should also pay attention to safety. 1. I find English not easy __________ (learning) well without consistent efforts. 1. Brown bears' living place is the forests of North America, where they can find enough __________ (food) and shelter. 1. Most houses in deserts have small windows to keep out the strong sun and the __________ (violence) wind. 1. __________ (Grow) tall, a plant needs three things: sunlight, soil, and water. 1. There is a lot of grass for sheep __________ (eating), so this area is suitable for sheep - raising. 1. We should know the __________ (important) of trees to the whole ecosystem. 1. Trees can make furniture, provide shade, and be home to many wild animals, which shows their great __________ (function). 1. People can have a good rest under a tree in summer, and it can also help them cool down from the __________ (hot). 1. Trees can produce oxygen, which is essential for all living things to __________ (breath). 1. In some places, there is grass and some trees, and horses and sheep live there. It's a __________ (grassland). 1. The Sahara Desert is one of the largest deserts in the world, with extremely harsh __________ (climate). 1. Rainforests are very important because they are home to a large number of __________ (species). 1. The government encourages people to use __________ (renew) energy sources like solar and wind power. 1. We should try to live in harmony with nature and not disturb the __________ (balance) of the ecosystem. 1. The number of wild animals is decreasing rapidly due to __________ (habitat) loss and illegal hunting. 1. We can see a lot of beautiful __________ (waterfall) in some mountainous areas. 1. The sea is a vast area full of mysteries and rich in various marine __________ (life). 1. It's our responsibility to pass on a clean and beautiful planet to the next __________ (generate). 1. The students are cleaning the park to make it a more pleasant place for people to __________ (visit). 1. We should take care of the environment by not __________ (litter) and recycling waste. 1. When it rains heavily, the river may overflow and cause __________ (flood). 1. Different kinds of animals have different __________ (way) of adapting to their living environments. 1. The air in the mountains is much cleaner and fresher than that in the __________ (city). 1. We should use less disposable products to reduce the amount of __________ (waste). 1. Many animals in the wild are facing the threat of __________ (extinct) because of human activities. 1. The teacher asked us to write an essay about the importance of protecting __________ (nature). 1. The forest is a beautiful place full of various plants and animals, creating a unique __________ (ecological) environment. 1. Some animals hibernate in winter to save energy and survive the cold and lack of __________ (food). 1. We can plant more trees along the streets to beautify the environment and reduce __________ (noise). 1. The ocean provides us with many resources, such as fish, minerals, and __________ (energy). 1. We should educate people about environmental protection to raise their __________ (aware). 1. The rainforest is a complex ecosystem with a high level of biodiversity and rich __________ (culture) heritage. 1. The government is planning to build more nature reserves to protect the endangered __________ (animal). 1. We should encourage people to use public transportation, ride bikes, or walk instead of driving cars to reduce __________ (emission). 1. The beauty of nature can inspire artists to create wonderful works of art, expressing their love and __________ (respect) for nature. 1. The desert may seem barren, but it also has its own unique __________ (beauty) and charm. 1. We should learn to appreciate the small things in nature, like the singing of birds and the blooming of __________ (flower). 1. The climate change is a serious global issue that affects all living things on the __________ (earth). 1. The government has set up many projects to protect the natural __________ (resource) and improve the environment. 1. We should reduce our consumption of non - renewable resources and look for more sustainable __________ (alternate). 1. The students are collecting information about different natural disasters, such as earthquakes, tsunamis, and __________ (hurricane). 1. The forest can protect the soil from erosion and prevent the loss of fertile __________ (land). 1. We should encourage children to explore nature and develop a love for the outdoors from an early __________ (age). 1. The wetlands are important habitats for many migratory birds and play a crucial role in maintaining the ecological __________ (stable). 1. The natural scenery in this area is so breathtaking that it attracts a large number of __________ (tourist) every year. 1. We should support the development of green technology to promote a more __________ (sustain) future. 1. The noise pollution from factories and traffic can have a negative impact on the __________ (life) of animals and humans. 1. The government is strengthening the supervision of environmental protection to ensure the __________ (implement) of relevant policies. 答案解析 1. environment解析：定冠词the后接名词，environmentally是副词，其名词形式为environment（环境），此处指“保护我们周围的环境”。 2. was解析：根据“ten years ago”（十年前）可知时态为一般过去时，there be句型中主语“a lot of wildlife”（wildlife为不可数名词），故用was。 3. to save解析：固定句型“It's + 形容词 + for sb. to do sth.”（对某人来说做某事是……的），故用动词不定式to save。 4. to throw解析：固定搭配tell sb. not to do sth.（告诉某人不要做某事），故用to throw。 5. are planting解析：根据“Look!”可知动作正在进行，主语“some children”是复数，故用are planting。 6. that解析：比较级中，为避免重复，用that指代前文提到的不可数名词“air”，此处指“农村的空气比城市的（空气）清新”。 7. cut解析：if引导的条件状语从句，遵循“主将从现”原则，主句用一般将来时，从句用一般现在时，故用cut。 8. pollution解析：less后接不可数名词，pollute是动词，其名词形式为pollution（污染）。 9. have解析：根据“already visited”可知时态为现在完成时，结构为“have/has + 过去分词”，主语是we，故用have（原句“have been”表述错误，正确为have）。 10. a解析：picnic是可数名词单数，且以辅音音素开头，故用不定冠词a，“go for a picnic”（去野餐）是固定短语。 11. /（零冠词）解析：“bad human activities”（不良人类活动）是泛指，不需要加定冠词the。 12. It解析：此处用it作形式主语，真正的主语是后面的不定式“to have clean air”，故填It（句首首字母大写）。 13. to protect解析：“how to do sth.”（如何做某事）是固定结构，作介词about的宾语，故用to protect。 14. leave解析：when引导的时间状语从句，主句是一般现在时，从句也用一般现在时，主语是I，故用动词原形leave。 15. will be解析：根据“tomorrow”可知时态为一般将来时，there be句型的将来时为there will be，原句“will have”表述错误，故改为will be。 16. using解析：固定搭配stop doing sth.（停止做某事），此处指“停止使用塑料制品”，故用using（原句“to use”表“停下来去做另一件事”，不符合语境）。 17. has become解析：根据“since + 一般过去时从句”可知主句用现在完成时，become的过去分词是become，故用has become（原句“has became”错误，became是过去式）。 18. to join解析：固定搭配Would you like to do sth.?（你愿意做某事吗？），故用to join。 19. goes解析：宾语从句中，“太阳绕地球转”是客观真理，用一般现在时，主语the sun是第三人称单数，故用goes（原句“went”错误，客观真理不受主句时态影响）。 20. will have解析：根据“this Friday afternoon”可知时态为一般将来时，结构为will + 动词原形，故用will have（原句“will having”错误）。 21. better解析：此处隐含与现在环境的比较，意为“让环境变得更好”，故用good的比较级better。 22. nature解析：of后接名词，natural是形容词，其名词形式为nature（自然），“the balance of nature”（自然平衡）是固定搭配。 23. polluted解析：此处表示“河流将被严重污染”，用被动语态，pollution是名词，其动词过去分词形式为polluted（被污染的）。 24. turning off解析：介词by后接动名词，故用turning off（关掉）。 25. homes解析：their后接可数名词复数，home（家园）的复数形式为homes，指“动物们的家园”。 26. plastic解析：修饰名词ones（指代bags）用形容词，plastics是名词，其形容词形式为plastic（塑料的）。 27. survival解析：定冠词the后接名词，survive是动词，其名词形式为survival（生存），指“所有物种的生存”。 28. global warming解析：global warming（全球变暖）是固定短语，为不可数名词短语，直接使用原形。 29. plants解析：“many kinds of”（许多种）后接可数名词复数，plant的复数形式为plants（植物）。 30. taking解析：介词by后接动名词，take的动名词形式为taking，指“通过采取各种措施”。 31. resources解析：natural resources（自然资源）是固定短语，resource为可数名词，常用复数形式resources。 32. creatures解析：countless（无数的）后接可数名词复数，creature的复数形式为creatures（生物）。 33. exploitation解析：over-是前缀，后接名词，exploit是动词，其名词形式为exploitation（开采），指“过度开采”。 34. to learn解析：固定句型“It's + 形容词 + for sb. to do sth.”，故用to learn。 35. disappearance解析：定冠词the后接名词，disappear是动词，其名词形式为disappearance（消失），指“濒危物种的消失”。 36. environment解析：damage the environment（破坏环境）是固定搭配，environment为不可数名词，用原形。 37. reduce解析：此处需动词原形与to构成不定式表目的，reduction是名词，其动词形式为reduce（减少）。 38. recycling解析：resource recycling（资源回收）是固定短语，recycle的动名词形式为recycling（作定语）。 39. ecosystem解析：the后接名词，ecosystem（生态系统）为可数名词，此处指“在生态系统中”，用单数形式。 40. rain解析：plenty of（大量的）后接名词，rainy是形容词，其名词形式为rain（雨水，不可数）。 41. little解析：rain是不可数名词，用little修饰（few修饰可数名词），指“沙漠里下雨很少”。 42. adaptive解析：修饰名词abilities用形容词，adapt是动词，其形容词形式为adaptive（适应的）。 43. dry解析：修饰名词conditions用形容词，dry（干燥的）直接作定语，指“干燥的环境”。 44. food解析：food表示“食物”时是不可数名词，此处指“足够的食物”，用原形。 45. nature解析：of后接名词，naturally是副词，其名词形式为nature（自然），指“自然的奇迹”。 46. destroying解析：instead of后接动名词，destruction是名词，其动词动名词形式为destroying（破坏）。 47. peace解析：形容词inner（内心的）后接名词，peaceful是形容词，其名词形式为peace（平静）。 48. appreciate解析：and连接并列动词，与“enjoy”保持形式一致，用动词原形appreciate（欣赏），appreciation是名词，此处需动词。 49. you解析：固定搭配take sth. with sb.（随身携带某物），此处指“你最好随身携带雨伞”，用宾格you（yourself不符合语境）。 50. excellently解析：修饰动词swim用副词，excellent是形容词，其副词形式为excellently（出色地）。 51. activities解析：different后接可数名词复数，activity的复数形式为activities（活动）。 52. to play解析：固定句型“It's great fun to do sth.”（做某事很有趣），故用to play。 53. to learn解析：“find + 宾语 + 形容词 + to do sth.”（发现做某事是……的），故用to learn。 54. food解析：food表示“食物”时不可数，此处指“找到足够的食物”，用原形。 55. violent解析：修饰名词wind用形容词，violence是名词，其形容词形式为violent（猛烈的）。 56. To grow解析：此处用动词不定式作目的状语，指“为了长得高”，句首首字母大写，故用To grow。 57. to eat解析：固定搭配“for sb./sth. to do sth.”（供……做某事），此处指“有很多草供羊吃”，故用to eat。 58. importance解析：定冠词the后接名词，important是形容词，其名词形式为importance（重要性）。 59. functions解析：great后接名词，function（作用）是可数名词，根据前文描述的多种作用，用复数functions。 60. heat解析：定冠词the后接名词，hot是形容词，其名词形式为heat（热量），指“从高温中降温”。 61. breathe解析：不定式符号to后接动词原形，breath是名词，其动词形式为breathe（呼吸）。 62. grassland解析：不定冠词a后接可数名词单数，grassland（草原）为可数名词，用原形。 63. climate解析：climate（气候）是不可数名词，此处指“极端恶劣的气候”，用原形。 64. species解析：species（物种）单复数同形，“a large number of”后接复数，故用species。 65. renewable解析：修饰名词energy用形容词，renew是动词，其形容词形式为renewable（可再生的），“renewable energy”（可再生能源）是固定短语。 66. balance解析：定冠词the后接名词，balance（平衡）为不可数名词，“the balance of the ecosystem”（生态系统的平衡）。 67. habitat解析：habitat loss（栖息地丧失）是固定短语，habitat（栖息地）此处为不可数概念，用原形。 68. waterfalls解析：“a lot of”后接可数名词复数，waterfall的复数形式为waterfalls（瀑布）。 69. life解析：marine life（海洋生物）是固定短语，life表示“生物”时是不可数名词，用原形。 70. generation解析：the next generation（下一代）是固定短语，generation（一代）为可数名词单数。 71. visit解析：此处为不定式作定语，修饰“place”，to后接动词原形visit。 72. littering解析：介词by后接动名词，litter的动名词形式为littering（乱扔垃圾）。 73. floods解析：flood（洪水）是可数名词，此处表示泛指，用复数floods。 74. ways解析：different后接可数名词复数，way的复数形式为ways（方式）。 75. city解析：此处与“the mountains”对应，指“城市里的空气”，用单数city（泛指城市）。 76. waste解析：waste（垃圾）是不可数名词，“the amount of waste”（垃圾的数量），用原形。 77. extinction解析：of后接名词，extinct是形容词，其名词形式为extinction（灭绝），指“灭绝的威胁”。 78. nature解析：protect nature（保护自然）是固定搭配，nature为不可数名词，用原形。 79. ecological解析：修饰名词environment用形容词，ecological（生态的）直接作定语，“ecological environment”（生态环境）。 80. food解析：food表示“食物”时不可数，此处指“食物的缺乏”，用原形。 81. noise解析：noise（噪音）是不可数名词，“reduce noise”（减少噪音），用原形。 82. energy解析：energy（能源）是不可数名词，与“fish, minerals”并列，用原形。 83. awareness解析：形容词性物主代词their后接名词，aware是形容词，其名词形式为awareness（意识）。 84. cultural解析：修饰名词heritage用形容词，culture是名词，其形容词形式为cultural（文化的），“cultural heritage”（文化遗产）。 85. animals解析：endangered animals（濒危动物）是复数概念，用animals。 86. emissions解析：emission（排放物）是可数名词，常用复数形式emissions，“reduce emissions”（减少排放）。 87. respect解析：and连接并列名词，与“love”对应，respect（尊重）为不可数名词，用原形。 88. beauty解析：形容词unique（独特的）后接名词，beautiful是形容词，其名词形式为beauty（美）。 89. flowers解析：flower是可数名词，此处表示泛指，用复数flowers（花朵）。 90. earth解析：on the earth（在地球上）是固定短语，earth（地球）用单数形式。 91. resources解析：natural resources（自然资源）是固定短语，resource用复数形式。 92. alternatives解析：形容词sustainable（可持续的）后接名词，alternate是动词，其名词形式为alternative（替代物），此处用复数alternatives。 93. hurricanes解析：and连接并列名词，与“earthquakes, tsunamis”对应，hurricane用复数hurricanes（飓风）。 94. land解析：land（土地）是不可数名词，此处指“肥沃的土地”，用原形。 95. age解析：from an early age（从很小的时候）是固定短语，age（年龄）用单数形式。 96. stability解析：ecological stability（生态稳定性）是固定短语，stable是形容词，其名词形式为stability（稳定性）。 97. tourists解析：“a large number of”后接可数名词复数，tourist的复数形式为tourists（游客）。 98. sustainable解析：修饰名词future用形容词，sustain是动词，其形容词形式为sustainable（可持续的）。 99. lives解析：life表示“生活”时是可数名词，此处指“动物和人类的生活”，用复数lives。 100. implementation解析：定冠词the后接名词，implement是动词，其名词形式为implementation（实施），指“相关政策的实施”。 学科网（北京）股份有限公司 $$