资源简介 中小学教育资源及组卷应用平台人教版八年级上册Unit4 Amazing plants and animals语法填空专项训练(含解析)The blue whale is the ______ (large) and ______ (heavy) animal on earth. It can weigh as much as 200 tons.The cheetah runs the ______ (fast) among all the land animals, with a speed of up to 112 km/h.Moss is one of the ______ (old) plants on earth. It appeared around 470 million years ago.The redwood tree is the ______ (tall) tree in the world. Some can grow over 100 meters tall.Bamboo is one of the ______ (fast - growing) plants. Some bamboo can grow almost one metre in one day.Pandas are ______ (love) by people all over the world. They mainly feed on bamboo.Bees are one of the ______ (important) animals for the growth of many plants because of their work in pollination.The number of bees is ______ (drop), and scientists are really worried about it.Without bees' work, about 80 per cent of the plants in the world cannot ______ (grow).People use bamboo to build houses, make tools and ______ (instrument).The polar bear's fur is very thick, which helps it ______ (keep) warm in the cold Arctic.The frog can live both on ______ (land) and in water, so it's an important part of both ecosystems.The elephant is the largest ______ (land) animal in the world. Its strength is amazing.The giraffe has the ______ (long) neck among animals, which helps it reach leaves on tall trees.The spider spins a web to catch ______ (insect) for food.The snake moves by crawling on its ______ (stomach).The bird uses its wings ______ (fly) in the sky.The kangaroo can jump very far because of its strong ______ (leg).The koala lives in Australia and mainly feeds on the leaves of ______ (eucalyptus) trees.The penguin lives in the Antarctic and is a good ______ (swim).The octopus has eight ______ (tentacle) which it uses for hunting and moving.The dolphin is very smart and is known for its ______ (friend) to humans.The shark is a very ______ (danger) animal in the ocean.The wolf lives in the forest and usually hunts in ______ (group).The deer is a gentle animal and is good at ______ (run) to escape from danger.The monkey is very ______ (active) and likes to jump from tree to tree.The zebra has black and white ______ (stripe) which help it hide in the grass.The peacock has the ______ (colorful) tail among birds. When it spreads its tail, it's really beautiful.The butterfly goes through a complete ______ (metamorphosis) from a caterpillar to an adult.The starfish can regenerate its ______ (arm) when they are damaged.The sunflower always faces the sun, which is an amazing ______ (behave).The willow tree has long and ______ (flexible) branches that sway in the wind.The maple tree's leaves turn red in autumn, making it one of the most ______ (beauty) trees at that time.The cactus can survive in the desert because it can store a lot of ______ (water) in its body.The lotus grows in the mud but remains ______ (pure) and beautiful.The orchid is a very ______ (rare) and beautiful flower.The fern is a kind of plant that reproduces by ______ (spore).The pine tree can live in cold and harsh ______ (condition).The cedar tree is often used in making ______ (furniture) because of its good quality wood.The coconut tree grows near the sea and its fruit can float on ______ (water).The eucalyptus tree is the main food source for ______ (koala).The rose is one of the most ______ (popular) flowers in the world.The lily is known for its ______ (elegant) shape and sweet smell.The daisy is a simple but ______ (charm) flower.The tulip comes in many different ______ (color) and is very popular in Holland.The bamboo forest provides a home for many ______ (animal), especially pandas.The rainforest is home to the ______ (diverse) range of plants and animals in the world.The desert has some unique plants and animals that have adapted to the ______ (dry) environment.The wetland is an important ecosystem for many ______ (migrate) birds.The ocean is full of amazing plants and animals, some of which are still ______ (discover).The coral reef is a very important ______ (ecology) system in the ocean.The seagrass meadow provides food and shelter for many ______ (marine) animals.The mangrove forest can protect the coastline from ______ (erode).The alpine region has some special plants that can survive in the cold and ______ (high) altitude environment.The tundra is a cold and treeless region with unique plants and animals that have adapted to the ______ (harsh) conditions.The grassland is home to many herbivores like ______ (antelope) and zebras.The forest is not only home to animals but also plays an important role in ______ (regulate) the climate.The meadow is full of colorful flowers in spring, making it a ______ (delight) sight.The marsh is a wetland area with soft, ______ (mud) soil.The pond is a small body of water that can support a variety of ______ (aquatic) plants and animals.The river is an important source of water for many plants and animals along its ______ (bank).The lake is a large body of water that can have its own unique ecosystem with different ______ (species) of fish and plants.The waterfall not only looks beautiful but also provides a special environment for some ______ (organism).The spring is a source of fresh water and is often surrounded by ______ (lush) vegetation.The glacier is a large mass of ice that is slowly ______ (move) and can shape the land.The mountain is a natural habitat for many plants and animals that have adapted to the ______ (tough) living conditions.The valley is a low - lying area between mountains, usually with fertile soil for ______ (agriculture).The plateau is a high - flat area with its own unique climate and ______ (flora) and fauna.The island is a piece of land surrounded by water and can have a distinct ______ (ecosystem).The beach is a place where many seabirds and crabs live, and it's also a popular ______ (recreation) area for humans.The estuary is where the river meets the sea, creating a special environment for both ______ (freshwater) and marine organisms.The canyon is a deep and narrow valley with steep sides, often with unique rock formations and ______ (habitat) for some animals.The cave is a natural underground hollow that can be home to bats and some unique ______ (invertebrate) species.The cliff is a steep rock face, and some birds build their nests on the ______ (edge) of it.The sand dune is a hill of sand formed by the wind, and some plants can grow on the ______ (surface) of it.The meerkat is a small mammal that lives in groups in the ______ (desert) of Africa.The armadillo has a hard shell that protects it from ______ (predator).The sloth moves very ______ (slow) and spends most of its time in trees.The raccoon is a clever animal that is known for its ability to ______ (adapt) to different environments.The skunk can spray a strong - smelling liquid to protect itself from ______ (attack).The hedgehog rolls into a ball when it feels ______ (threaten).The bat is the only mammal that can ______ (true) fly.The hummingbird is the smallest bird in the world and can hover in the air by ______ (beat) its wings very fast.The ostrich is the largest bird in the world, but it cannot ______ (flight).The woodpecker uses its strong beak to ______ (drill) holes in trees to find insects.The parrot is known for its ability to ______ (imitate) human speech.The eagle has very sharp eyesight and is a powerful ______ (hunt).The owl is a nocturnal bird that can see well in the ______ (dark).The seagull is a common bird near the sea and is good at ______ (catch) fish.The flamingo has long legs and a unique - shaped bill, and its pink color comes from the ______ (crustacean) it eats.The platypus is a very ______ (peculiar) animal. It lays eggs but also nurses its young with milk.The echidna is another egg - laying mammal and has spines on its body for ______ (defend).The jellyfish is a soft - bodied ______ (marine) animal that has tentacles with stinging cells.The sea turtle can live for a long time and travels long distances in the ocean to ______ (lay) eggs.The lobster has large claws that it uses for ______ (defend) and catching food.The crab can walk sideways and is an important part of the ______ (coastal) ecosystem.The snail moves very slowly with the help of a ______ (mucus) - covered foot.The earthworm is important for the soil as it helps to ______ (aerate) the soil.The mosquito is a small insect that can transmit ______ (disease) like malaria.The dragonfly is a fast - flying insect with large, ______ (transparent) wings.答案解析1. largest; heaviest解析:句中出现范围限定 “on earth”,需用形容词最高级。“large” 最高级为 “largest”,“heavy” 最高级为 “heaviest”。2. fastest解析:“among all the land animals” 表示范围,用 “fast” 的最高级 “fastest”。3. oldest解析:“one of the + 形容词最高级 + 名词复数” 为固定结构,“old” 的最高级是 “oldest”。4. tallest解析:“in the world” 提示用最高级,“tall” 的最高级为 “tallest”。5. fastest-growing解析:“one of the + 最高级” 结构,“fast-growing” 的最高级为 “fastest-growing”。6. loved解析:熊猫是 “被喜爱” 的对象,用被动语态,“love” 的过去分词为 “loved”。7. most important解析:“one of the + 最高级”,多音节词 “important” 的最高级前加 “most”。8. dropping解析:“is” 后接现在分词构成现在进行时,“drop” 的现在分词为 “dropping”。9. grow解析:情态动词 “cannot” 后接动词原形。10. instruments解析:“and” 连接并列成分,“tools” 为复数,“instrument” 也用复数 “instruments”。11. (to) keep解析:“help sb. (to) do sth.” 为固定搭配,不定式符号 “to” 可省略。12. land解析:“on land” 表示 “在陆地上”,为固定短语,“land” 此处为不可数名词。13. land解析:“land animal” 表示 “陆地动物”,用名词 “land” 作定语。14. longest解析:“among animals” 提示用最高级,“long” 的最高级为 “longest”。15. insects解析:“insect” 为可数名词,此处表泛指,用复数 “insects”。16. stomachs解析:蛇的腹部不止一个(从生理结构和语境看),用 “stomach” 的复数 “stomachs”。17. to fly解析:“use sth. to do sth.” 表示 “用某物做某事”,用不定式作目的状语。18. legs解析:袋鼠有两条腿,用 “leg” 的复数 “legs”。19. eucalyptus解析:“eucalyptus trees” 表示 “桉树”,“eucalyptus” 作定语用单数形式。20. swimmer解析:不定冠词 “a” 后接名词,“swim” 的名词形式为 “swimmer”(游泳者)。21. tentacles解析:“eight” 后接可数名词复数,“tentacle” 的复数为 “tentacles”。22. friendliness解析:形容词性物主代词 “its” 后接名词,“friend” 的名词形式为 “friendliness”(友好)。23. dangerous解析:修饰名词 “animal” 需用形容词,“danger” 的形容词为 “dangerous”。24. groups解析:“in groups” 表示 “成群地”,为固定短语,用复数 “groups”。25. running解析:“be good at doing sth.” 中,“at” 为介词,后接动名词 “running”。26. active解析:系动词 “is” 后接形容词作表语,“active” 为形容词原形。27. stripes解析:斑马的条纹不止一条,用 “stripe” 的复数 “stripes”。28. most colorful解析:“among birds” 提示用最高级,多音节词 “colorful” 的最高级为 “most colorful”。29. metamorphosis解析:不定冠词 “a” 后接名词单数,“metamorphosis” 为不可数名词(此处指完整的变态过程)。30. arms解析:海星的 “臂” 不止一条,用 “arm” 的复数 “arms”。31. behavior解析:形容词 “amazing” 后接名词,“behave” 的名词形式为 “behavior”。32. flexible解析:and 连接并列形容词,“flexible” 与 “long” 并列作定语。33. beautiful解析:“most + 形容词” 构成最高级,“beauty” 的形容词为 “beautiful”。34. water解析:“water” 为不可数名词,此处表示 “水”,用原形。35. pure解析:系动词 “remains” 后接形容词作表语,“pure” 为形容词原形。36. rare解析:形容词 “rare” 修饰名词 “flower”,用原形。37. spores解析:“by” 后接名词,“spore” 为可数名词,用复数 “spores” 表泛指。38. conditions解析:“harsh conditions” 表示 “恶劣的环境”,常用复数 “conditions”。39. furniture解析:“furniture” 为不可数名词,无复数形式。40. water解析:“on water” 表示 “在水上”,“water” 为不可数名词。41. koalas解析:“koala” 为可数名词,此处表泛指,用复数 “koalas”。42. popular解析:“one of the most + 形容词” 中,用形容词原级 “popular”。43. elegant解析:形容词性物主代词 “its” 后接名词,但此处 “elegant” 修饰 “shape”,实际为形容词作定语(原句结构为 “its elegant shape”)。44. charming解析:连词 “but” 连接并列形容词,“charm” 的形容词为 “charming”。45. colors解析:“many different” 后接可数名词复数,“color” 的复数为 “colors”。46. animals解析:“many” 后接可数名词复数,“animal” 的复数为 “animals”。47. most diverse解析:“in the world” 提示用最高级,“diverse” 的最高级为 “most diverse”。48. dry解析:形容词 “dry” 修饰名词 “environment”,用原形。49. migrating解析:“migratory birds” 表示 “候鸟”,此处用 “migrate” 的动名词形式 “migrating” 作定语(也可用形容词 “migratory”,但根据语境动名词更合适)。50. undiscovered解析:句意为 “有些仍未被发现”,用被动语态的否定形式 “undiscovered”。51. ecological解析:修饰名词 “system” 需用形容词,“ecology” 的形容词为 “ecological”。52. marine解析:“marine animals” 表示 “海洋动物”,“marine” 为形容词原形。53. erosion解析:介词 “from” 后接名词,“erode” 的名词形式为 “erosion”。54. high解析:形容词 “high” 修饰名词 “altitude”,用原形。55. harsh解析:形容词 “harsh” 修饰名词 “conditions”,用原形。56. antelopes解析:“like” 后接名词复数表泛指,“antelope” 的复数为 “antelopes”。57. regulating解析:“play a role in doing sth.” 中,“in” 后接动名词 “regulating”。58. delightful解析:修饰名词 “sight” 需用形容词,“delight” 的形容词为 “delightful”。59. muddy解析:修饰名词 “soil” 需用形容词,“mud” 的形容词为 “muddy”。60. aquatic解析:“aquatic plants and animals” 表示 “水生动植物”,“aquatic” 为形容词原形。61. banks解析:河流有两岸,用 “bank” 的复数 “banks”。62. species解析:“species” 单复数同形,此处表示 “不同物种”,用原形。63. organisms解析:“some” 后接可数名词复数,“organism” 的复数为 “organisms”。64. lush解析:形容词 “lush” 修饰名词 “vegetation”,用原形。65. moving解析:“is slowly moving” 构成现在进行时,用动名词 “moving”。66. tough解析:形容词 “tough” 修饰名词 “conditions”,用原形。67. agriculture解析:介词 “for” 后接名词,“agriculture” 为不可数名词。68. flora解析:“flora and fauna” 表示 “动植物群”,“flora” 为不可数名词。69. ecosystem解析:不定冠词 “a” 后接名词单数,“ecosystem” 为可数名词单数。70. recreational解析:修饰名词 “area” 需用形容词,“recreation” 的形容词为 “recreational”。71. freshwater解析:“freshwater organisms” 表示 “淡水生物”,“freshwater” 为形容词原形。72. habitats解析:“unique rock formations and habitats” 为并列结构,用 “habitat” 的复数 “habitats”。73. invertebrate解析:形容词 “invertebrate” 修饰名词 “species”,用原形。74. edge解析:“on the edge of” 表示 “在…… 边缘”,用单数 “edge”(指悬崖的边缘)。75. surface解析:“on the surface of” 表示 “在…… 表面”,用单数 “surface”(指沙丘表面)。76. deserts解析:非洲的沙漠不止一处,用 “desert” 的复数 “deserts”。77. predators解析:“predator” 为可数名词,此处表泛指,用复数 “predators”。78. slowly解析:修饰动词 “moves” 需用副词,“slow” 的副词为 “slowly”。79. adapt解析:“ability to do sth.” 中,不定式符号 “to” 后接动词原形 “adapt”。80. attacks解析:“protect itself from” 后接名词,“attack” 的复数 “attacks” 表泛指。81. threatened解析:“feel threatened” 表示 “感到受威胁”,用过去分词作表语。82. truly解析:修饰动词 “fly” 需用副词,“true” 的副词为 “truly”。83. beating解析:“by” 为介词,后接动名词 “beating”。84. fly解析:情态动词 “cannot” 后接动词原形,“flight” 的动词形式为 “fly”。85. drill解析:“use sth. to do sth.” 中,不定式符号 “to” 后接动词原形 “drill”。86. imitate解析:“ability to do sth.” 中,用动词原形 “imitate”。87. hunter解析:不定冠词 “a” 后接名词,“hunt” 的名词形式为 “hunter”(猎人)。88. dark解析:“in the dark” 表示 “在黑暗中”,为固定短语。89. catching解析:“be good at doing sth.” 中,“at” 后接动名词 “catching”。90. crustaceans解析:“crustacean” 为可数名词,此处表泛指,用复数 “crustaceans”。91. peculiar解析:系动词 “is” 后接形容词作表语,“peculiar” 为形容词原形。92. defense解析:介词 “for” 后接名词,“defend” 的名词形式为 “defense”。93. marine解析:“marine animal” 表示 “海洋动物”,“marine” 为形容词原形。94. lay解析:不定式符号 “to” 后接动词原形 “lay”(产卵)。95. defense解析:介词 “for” 后接名词,“defend” 的名词形式为 “defense”。96. coastal解析:修饰名词 “ecosystem” 需用形容词,“coastal” 为形容词原形。97. mucus解析:“mucus-covered” 表示 “被黏液覆盖的”,“mucus” 为不可数名词。98. aerate解析:“help to do sth.” 中,不定式符号 “to” 后接动词原形 “aerate”。99. diseases解析:“disease” 为可数名词,此处表泛指(如疟疾等疾病),用复数 “diseases”。100. transparent解析:形容词 “transparent” 修饰名词 “wings”,用原形。21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 (共 2 页)21世纪教育网(www.21cnjy.com) 展开更多...... 收起↑ 资源预览