Unit 5 Water is life 单元重点词句练习 -2025-2026学年沪教版英语七年级下册

Unit 5 Water is Life 单元重点词句练习 学校:_________姓名：________班级：________考号：_________ 一、词性变换 1．water (形容词，含水的；水的)___________ 2．save (形容词，节约的)___________ 3．pollute (名词，污染)___________ 4．protect (名词，保护)___________ 5．reuse (形容词，可重复使用的)___________ 6．recycle (形容词，可回收的)___________ 7．fresh (副词，新鲜地)___________ 8．dry (副词，干燥地)___________ 9．wet (副词，潮湿地)___________ 10．thirst (形容词，口渴的)___________ 11．hunger (形容词，饥饿的)___________ 12．health (形容词，健康的)___________ 13．danger (形容词，危险的)___________ 14．safe (名词，安全)___________ 15．pure (副词，纯粹地)___________ 16．dirty (副词，肮脏地)___________ 17．clear (副词，清晰地)___________ 18．mud (形容词，泥泞的)___________ 19．flow (现在分词)___________ 20．rise (现在分词)___________ 21．fall (现在分词)___________ 22．evaporate (现在分词)___________ 23．condense (现在分词)___________ 24．precipitate (现在分词)___________ 25．natural (副词，自然地)___________ 26．limit (形容词，有限的)___________ 27．value (形容词，有价值的)___________ 28．harm (形容词，有害的)___________ 29．use (形容词，无用的)___________ 30．help (形容词，无助的)___________ 31．hope (形容词，无望的)___________ 32．care (形容词，粗心的)___________ 33．care (形容词，小心的)___________ 34．waste (形容词，浪费的)___________ 35．fresh (名词，新鲜度)___________ 36．dry (名词，干燥状态)___________ 37．wet (名词，潮湿状态)___________ 38．worry (形容词，担忧的)___________ 39．interest (形容词，修饰物，有趣的)___________ 40．interest (形容词，修饰人，感兴趣的)___________ 41．important (名词，重要性)___________ 42．necessary (名词，必要性)___________ 43．pure (反义词，不纯的)___________ 44．safe (反义词，不安全的)___________ 45．dry (反义词，潮湿的)___________ 46．wasteful (反义词，节约的)___________ 47．protect (三单形式)___________ 48．pollute (三单形式)___________ 49．save (三单形式)___________ 50．reuse (三单形式)___________ 51．recycle (三单形式)___________ 52．river (复数)___________ 53．lake (复数)___________ 54．ocean (复数)___________ 55．drop (复数)___________ 56．cloud (复数)___________ 57．stream (复数)___________ 58．water (复数，大片水域)___________ 59．ice (复数，冰块)___________ 60．snow (复数，几场雪)___________ 二、重点单词 1．___________ n. 水 2．___________ v. 节约；挽救 3．___________ v. 污染 4．___________ v. 保护 5．___________ v. 重复使用 6．___________ v. 回收利用 7．___________ adj. 新鲜的 8．___________ adj. 干燥的 9．___________ adj. 潮湿的 10．___________ adj. 口渴的 11．___________ adj. 健康的 12．___________ adj. 危险的 13．___________ adj. 安全的 14．___________ adj. 纯净的 15．___________ adj. 肮脏的 16．___________ adj. 清晰的 17．___________ adj. 泥泞的 18．___________ n. 海洋 19．___________ n. 河流 20．___________ n. 湖泊 21．___________ n. 溪流 22．___________ n. 滴；水珠 23．___________ n. 云 24．___________ n. 雨 25．___________ n. 雪 26．___________ n. 冰 27．___________ v. 流动 28．___________ v. 上升；升起 29．___________ v. 落下；下降 30．___________ v. 蒸发 31．___________ v. 凝结 32．___________ v. 降水（雨/雪等） 33．___________ n. 循环；周期 34．___________ n. 系统 35．___________ n. 资源 36．___________ adj. 自然的 37．___________ adj. 有限的 38．___________ adj. 有价值的 39．___________ adj. 有害的 40．___________ adj. 有用的 41．___________ adj. 无用的 42．___________ adj. 重要的 43．___________ adj. 必要的 44．___________ v. 煮沸；烧开 45．___________ v. 结冰；凝固 46．___________ n. 污染 47．___________ n. 保护 48．___________ adj. 浪费的 49．___________ adj. 小心的；仔细的 50．___________ adj. 粗心的 三、单词拼写 1．We must ___________ (save) water every day to protect our earth. 2．Don’t ___________ (pollute) the rivers with dirty water. 3．It’s important to ___________ (protect) our natural water resources. 4．We can ___________ (reuse) the plastic bottles to make flower pots. 5．Please ___________ (recycle) the paper and glass in the correct bins. 6．The air is ___________ (fresh) after the rain in the countryside. 7．The ground becomes ___________ (dry) quickly in the hot summer. 8．Don’t walk on the ___________ (wet) floor, you may fall down. 9．After playing sports for an hour, I feel very ___________ (thirsty). 10．We need to drink enough water to keep ___________ (health). 11．Swimming in the deep river is very ___________ (danger), so don’t do it. 12．It’s ___________ (safe) to drink boiled water than raw water. 13．The ___________ (pure) of the lake water is getting better after the treatment. 14．Don’t leave ___________ (dirty) dishes in the sink for too long. 15．You can see the fish clearly in the ___________ (clear) stream. 16．The road is ___________ (mud) after the heavy rain, so drive slowly. 17．The Yangtze River is one of the longest ___________ (river) in the world. 18．There are many kinds of sea animals living in the ___________ (ocean). 19．We often go fishing in the small ___________ (lake) near our village. 20．A small ___________ (drop) of water can’t make a big difference, but many can. 21．Look! The ___________ (cloud) are turning dark, it’s going to rain. 22．The heavy ___________ (rain) last night caused a flood in the town. 23．Children like to play with ___________ (snow) in winter. 24．The ___________ (ice) on the lake is thick enough to skate on. 25．The water in the river ___________ (flow) into the sea finally. 26．The sun rises in the east and ___________ (fall) in the west every day. 27．When the temperature is high, water will ___________ (evaporate) quickly. 28．The water vapor in the air will ___________ (condense) into small droplets. 29．When the clouds are heavy enough, they will ___________ (precipitate) as rain or snow. 30．The water ___________ (cycle) is an important part of the earth’s natural system. 31．We should learn about the water ___________ (system) to use water wisely. 32．Water is one of the most valuable natural ___________ (resource) on earth. 33．We must protect our ___________ (nature) environment from being destroyed. 34．The amount of fresh water on earth is ___________ (limit), so we can’t waste it. 35．Water is very ___________ (value) to all living things. 36．Polluted water is ___________ (harm) to our health. 37．This old cup is ___________ (use), we should throw it away. 38．Using reusable bags is ___________ (use) for reducing waste. 39．It’s ___________ (important) for us to form a good habit of saving water. 40．It’s ___________ (necessary) to drink at least 8 cups of water every day. 41．Please ___________ (boil) the water before drinking it. 42．When the temperature drops below zero, the water will ___________ (freeze). 43．The ___________ (pollute) of the river makes the fish dead. 44．The ___________ (protect) of water resources is everyone’s responsibility. 45．Don’t be ___________ (waste), turn off the tap when you don’t use it. 46．Be ___________ (care) not to spill water on the computer. 47．It’s ___________ (care) to leave the tap running all the time. 48．I feel ___________ (worry) about the future of our water resources. 49．The students are ___________ (interest) in the story about water cycle. 50．This is an ___________ (interest) documentary about saving water. 四、完成句子 1．我们必须每天节约用水。 We must ___________ water every day. 2．不要把脏水倒进河里。 Don’t _________ dirty water _________ the river. 3．保护水资源是我们的责任。 It’s our duty to _________ water _________. 4．我们可以重复使用塑料瓶来做手工。 We can ___________ plastic bottles to make crafts. 5．请把废纸放进回收箱。 Please put the waste paper into the ___________ bin. 6．雨后的空气闻起来很新鲜。 The air _________ _________ after the rain. 7．在干燥的天气里，植物需要更多的水。 Plants need more water in _________ _________. 8．地板是湿的，小心滑倒。 The floor is ___________, be careful not to slip. 9．运动后，我喝了一杯水来解渴。 After doing sports, I drank a glass of water to _________ my _________. 10．喝干净的水对我们的健康很重要。 Drinking clean water is important for our ___________. 11．在深湖里游泳很危险。 Swimming in the deep lake is very ___________. 12．确保你喝的水是安全的。 Make sure the water you drink is ___________. 13．这个湖的水很纯净，我们可以直接喝。 The water in this lake is very ___________, we can drink it directly. 14．不要让肮脏的垃圾污染河流。 Don’t let _________ trash _________ the river. 15．水从山上流到山谷里。 Water _________ _________ the mountain to the valley. 16．太阳升起时，露水开始蒸发。 When the sun _________, the dew starts to _________. 17．当水蒸气遇冷时会凝结成小水滴。 When water vapor cools down, it will ___________ into small droplets. 18．水循环对地球上的生命很重要。 The _________ _________ is important for life on Earth. 19．地球上的淡水资源是有限的。 The fresh water resources on Earth are ___________. 20．水对所有生物来说都是有价值的。 Water is ___________ to all living things. 21．为什么我们必须保护水资源？ _________ ________ we __________ protect water resources? 22．污染的水对我们的健康有害。 Polluted water is _________ _________ our health. 23．记住，不要浪费每一滴水。 _________ _________ not to waste every drop of water. 24．节约用水是每个人的责任。 _________ _________ water is everyone’s responsibility. 25．重复使用水资源有助于保护地球。 _________ water helps to _________ the Earth. 参考答案 一、词性变换 1．watery 2．saving 3．pollution 4．protection 5．reusable 6．recyclable 7．freshly 8．dryly 9．wetly 10．thirsty 11．hungry 12．healthy 13．dangerous 14．safety 15．purely 16．dirtily 17．clearly 18．muddy 19．flowing 20．rising 21．falling 22．evaporating 23．condensing 24．precipitating 25．naturally 26．limited 27．valuable 28．harmful 29．useless 30．helpless 31．hopeless 32．careless 33．careful 34．wasteful 35．freshness 36．dryness 37．wetness 38．worried 39．interesting 40．interested 41．importance 42．necessity 43．impure 44．unsafe 45．wet 46．thrifty 47．protects 48．pollutes 49．saves 50．reuses 51．recycles 52．rivers 53．lakes 54．oceans 55．drops 56．clouds 57．streams 58．waters 59．ices 60．snows 二、重点单词 1．water 2．save 3．pollute 4．protect 5．reuse 6．recycle 7．fresh 8．dry 9．wet 10．thirsty 11．healthy 12．dangerous 13．safe 14．pure 15．dirty 16．clear 17．muddy 18．ocean 19．river 20．lake 21．stream 22．drop 23．cloud 24．rain 25．snow 26．ice 27．flow 28．rise 29．fall 30．evaporate 31．condense 32．precipitate 33．cycle 34．system 35．resource 36．natural 37．limited 38．valuable 39．harmful 40．useful 41．useless 42．important 43．necessary 44．boil 45．freeze 46．pollution 47．protection 48．wasteful 49．careful 50．careless 三、单词拼写 1．save 2．pollute 3．protect 4．reuse 5．recycle 6．fresh 7．dry 8．wet 9．thirsty 10．healthy 11．dangerous 12．safer 13．purity 14．dirty 15．clear 16．muddy 17．rivers 18．ocean 19．lake 20．drop 21．clouds 22．rain 23．snow 24．ice 25．flows 26．falls 27．evaporate 28．condense 29．precipitate 30．cycle 31．system 32．resources 33．natural 34．limited 35．valuable 36．harmful 37．useless 38．useful 39．important 40．necessary 41．boil 42．freeze 43．pollution 44．protection 45．wasteful 46．careful 47．careless 48．worried 49．interested 50．interesting 四、完成句子 1．save 2．pour; into 3．protect; resources 4．reuse 5．recycling 6．smells fresh 7．dry weather 8．wet 9．quench; thirst 10．health 11．dangerous 12．safe 13．pure 14．dirty; pollute 15．flows from 16．rises; evaporate 17．condense 18．water cycle 19．limited 20．valuable 21．Why do; have to 22．harmful to 23．Remember that 24．Saving 25．Reusing; protect 学科网（北京）股份有限公司 $