Unit 3 Trees and us 单元重点词句练习2025-2026学年沪教版英语七年级下册

Unit 3 Trees and us 单元重点词句练习 学校:_________姓名：________班级：________考号：_________ 一、词性变换 1．grow (名词，生长；成长)___________ 2．protect (名词，保护)___________ 3．wood (形容词，木制的)___________ 4．leaf (复数形式)___________ 5．root (复数形式)___________ 6．branch (复数形式)___________ 7．fruit (复数形式，指多种水果)___________ 8．environment (形容词，环境的)___________ 9．forest (形容词，多森林的)___________ 10．plant (名词，种植者；园丁)___________ 11．cut (现在分词形式)___________ 12．save (形容词，节省的；节约的)___________ 13．use (形容词，无用的)___________ 14．important (副词形式)___________ 15．green (动词，（使）变绿；绿化)___________ 16．tall (反义词)___________ 17．thick (反义词)___________ 18．strong (反义词)___________ 19．clean (动词，打扫；使干净)___________ 20．dirty (动词，弄脏；变脏)___________ 21．fresh (副词形式)___________ 22．pollute (名词，污染)___________ 23．breathe (名词，呼吸；气息)___________ 24．cool (动词，（使）变凉；冷却)___________ 25．warm (动词，（使）变暖；加热)___________ 26．provide (名词，提供者；供应者)___________ 27．produce (名词，产品；农产品)___________ 28．absorb (名词，吸收)___________ 29．reduce (名词，减少；降低)___________ 30．harmful (反义词)___________ 31．help (名词，帮手；助手)___________ 32．beautiful (副词形式)___________ 33．natural (副词形式)___________ 34．wild (反义词，驯服的；家养的)___________ 35．die (形容词，垂死的；临终的)___________ 36．alive (副词形式，活着；在世)___________ 37．seed (复数形式)___________ 38．soil (形容词，土壤的；土地的)___________ 39．water (动词，浇水；灌溉)___________ 40．sunlight (形容词，被阳光照射的)___________ 41．plant (现在分词形式)___________ 42．grow (现在分词形式)___________ 43．protect (现在分词形式)___________ 44．cut (过去式)___________ 45．plant (过去式)___________ 46．grow (过去式)___________ 47．save (过去式)___________ 48．provide (三单形式)___________ 49．produce (三单形式)___________ 50．absorb (三单形式)___________ 51．reduce (三单形式)___________ 52．pollute (三单形式)___________ 53．breathe (三单形式)___________ 54．cool (三单形式)___________ 55．warm (三单形式)___________ 56．green (三单形式)___________ 57．clean (三单形式)___________ 58．dirty (三单形式)___________ 59．die (三单形式)___________ 60．live (三单形式)___________ 二、重点单词 1．___________ n. 树；树木 2．___________ v. 生长；种植 3．___________ v. 保护；保卫 4．___________ n. 木头；木材 5．___________ n. 树叶；叶子 6．___________ n. 根；根部 7．___________ n. 树枝；分支 8．___________ n. 树干；躯干 9．___________ n. 水果；果实 10．___________ n. 花；花朵 11．___________ n. 氧气 12．___________ n. 阴凉；阴影 13．___________ n. 环境 14．___________ n. 森林；林区 15．___________ v. 种植；栽种 16．___________ v. 砍；切；割 17．___________ v. 拯救；节省 18．___________ adj. 有用的；有益的 19．___________ adj. 重要的；重大的 20．___________ adj. 绿色的；环保的 21．___________ adj. 高的；高大的 22．___________ adj. 厚的；浓密的 23．___________ adj. 薄的；瘦的 24．___________ adj. 强壮的；坚固的 25．___________ adj. 虚弱的；无力的 26．___________ adj. 干净的；清洁的 27．___________ adj. 脏的；污秽的 28．___________ adj. 新鲜的；清新的 29．___________ v. 污染；弄脏 30．___________ n. 污染；污染物 31．___________ v. 呼吸；喘气 32．___________ adj. 凉爽的；凉的 33．___________ adj. 温暖的；暖和的 34．___________ v. 提供；供应 35．___________ v. 生产；制造 36．___________ v. 吸收；吸引 37．___________ v. 减少；降低 38．___________ adj. 有害的；伤害的 39．___________ adj. 有帮助的；有益的 40．___________ adj. 美丽的；漂亮的 41．___________ adj. 自然的；天然的 42．___________ adj. 野生的；野蛮的 43．___________ v. 死亡；消逝 44．___________ adj. 活着的；在世的 45．___________ n. 种子；籽 46．___________ n. 土壤；土地 47．___________ n. 水；雨水 48．___________ n. 阳光；日光 49．___________ v. 浇水；灌溉 50．___________ adj. 濒危的；濒临灭绝的 三、单词拼写 1．We should ______ (protect) trees from being cut down by people. 2．The ______ (grow) of trees needs enough water and sunlight. 3．This chair is made of ______ (wood), so it’s very strong. 4．In autumn, many yellow ______ (leaf) fall down from the trees. 5．Trees use their ______ (root) to get water from the soil. 6．There are many small ______ (branch) on the old tree in our yard. 7．My mother buys different kinds of ______ (fruit) every weekend. 8．We must try to improve our living ______ (environment). 9．There is a big ______ (forest) in the north of our city. 10．Let’s ______ (plant) a small tree in our school garden tomorrow. 11．Don’t ______ (cut) down the young trees, they will grow tall soon. 12．We need to ______ (save) more water for the dry season. 13．Trees are very ______ (use) for human beings and animals. 14．It’s ______ (important) to protect the environment for our future. 15．The hills are ______ (green) all year round in this warm place. 16．There is a ______ (tall) tree in front of my house. 17．The tree has a ______ (thick) trunk that two people can’t hug it. 18．The little plant is so ______ (thin) that it may fall over in wind. 19．We need to make our country ______ (strong) by working hard. 20．The old tree becomes ______ (weak) after years of being hurt. 21．Please keep the air ______ (clean) by planting more trees. 22．Don’t make the river ______ (dirty) by throwing rubbish into it. 23．We can breathe ______ (fresh) air in the forest every morning. 24．Factories shouldn’t ______ (pollute) the river with dirty water. 25．Air ______ (pollute) is a big problem in many big cities. 26．We need to ______ (breathe) fresh air to keep healthy. 27．Trees can make the air ______ (cool) in hot summer. 28．The sun makes us feel ______ (warm) in cold winter. 29．Trees can ______ (provide) us with fruits and wood. 30．This factory can ______ (produce) thousands of cars every year. 31．Trees can ______ (absorb) harmful gases from the air. 32．We should ______ (reduce) the use of plastic bags to protect the environment. 33．Smoking is ______ (harm) to our health. 34．Trees are very ______ (help) for reducing noise pollution. 35．The flowers in the garden are very ______ (beautiful) in spring. 36．We should enjoy the ______ (natural) beauty of the world. 37．There are many ______ (wild) animals living in the forest. 38．Many old trees ______ (die) because of the lack of water. 39．The little bird is still ______ (alive) after falling from the tree. 40．We need to put the ______ (seed) into the soil to grow plants. 41．Plants get nutrients from the ______ (soil) under the ground. 42．Please ______ (water) the young plants every day. 43．Plants need enough ______ (sunlight) to grow well. 44．______ (endanger) animals need our protection to live on. 45．He ______ (plant) three trees in his garden last spring. 46．The workers ______ (cut) down hundreds of trees last year. 47．She always ______ (save) money to buy books for poor children. 48．Trees ______ (provide) shelter for many small animals. 49．It is ______ (danger) to cut down too many trees. 50．We feel ______ (happy) when we see the green trees around us. 四、完成句子 1．树木能为我们提供新鲜的空气。 Trees can ____ ____ ______ fresh air. 2．我们应该保护树木不被砍伐。 We should ____ trees ____ being cut down. 3．森林里有很多野生鸟类和动物。 There are many wild birds and animals ____ ____ ______. 4．树木的根能帮助保持土壤不流失。 Trees’ roots can help ____ ____ ____ ____. 5．不要在森林里生火，这很危险。 ____ ____ fires in the forest, it’s very dangerous. 6．种植更多的树对环境有好处。 ______ more trees is good for the environment. 7．树木能吸收空气中的有害气体。 Trees can ____ harmful gases ____ the air. 8．我们必须减少空气污染来保持健康。 We must ______ air pollution to keep healthy. 9．阳光和水对树木的生长很重要。 Sunlight and water are ____ ____ the ______ of trees. 10．这棵老树有一个粗壮的树干。 This old tree has a ____ ____. 11．为什么我们要拯救濒危树木？ ____ ____ we need to ______ endangered trees? 12．树木能让我们在夏天感到凉爽。 Trees can ____ us ____ in summer. 13．我们不能浪费太多的纸张，因为纸是用木头做的。 We ____ ____ too much paper, because paper is made of wood. 14．对我们来说，每天呼吸新鲜空气很重要。 ____ ____ for us ____ ____ fresh air every day. 15．不要把垃圾扔到河里，这会污染水。 Don’t ____ rubbish ____ the river, it will pollute the water. 16．他去年在山上种了五十棵树。 He ____ fifty trees on the hill ____ ______. 17．记住，树木是我们的朋友，我们要爱护它们。 ____ ____ trees are our friends, and we should love them. 18．这是保护树木的最好方法之一。 This is ____ ____ ____ ____ ______ to protect trees. 19．我们可以通过回收纸张来拯救树木。 We can save trees ____ ____ paper. 20．树木能为很多动物提供家园。 Trees can ____ ____ ______ many animals. 21．花了我两个小时在花园里种树。 It ____ me two hours ____ ______ trees in the garden. 22．树木有助于减少城市里的噪音污染。 Trees help to ____ ____ ______ in cities. 23．你必须停止砍伐森林来建造房屋。 You ____ ____ cutting down forests to build houses. 24．去森林里野餐是个好主意。 ____ ____ ____ ____ have a picnic in the forest. 25．保护树木使我们的地球更美丽。 ____ trees ____ our earth more beautiful. 参考答案 一、词性变换 1．growth 2．protection 3．wooden 4．leaves 5．roots 6．branches 7．fruits 8．environmental 9．forested 10．planter 11．cutting 12．saving 13．useless 14．importantly 15．green 16．short 17．thin 18．weak 19．clean 20．dirty 21．freshly 22．pollution 23．breath 24．cool 25．warm 26．provider 27．product 28．absorption 29．reduction 30．harmless 31．helper 32．beautifully 33．naturally 34．tame 35．dying 36．alively 37．seeds 38．soily 39．water 40．sunlit 41．planting 42．growing 43．protecting 44．cut 45．planted 46．grew 47．saved 48．provides 49．produces 50．absorbs 51．reduces 52．pollutes 53．breathes 54．cools 55．warms 56．greens 57．cleans 58．dirties 59．dies 60．lives 二、重点单词 1．tree 2．grow 3．protect 4．wood 5．leaf 6．root 7．branch 8．trunk 9．fruit 10．flower 11．oxygen 12．shade 13．environment 14．forest 15．plant 16．cut 17．save 18．useful 19．important 20．green 21．tall 22．thick 23．thin 24．strong 25．weak 26．clean 27．dirty 28．fresh 29．pollute 30．pollution 31．breathe 32．cool 33．warm 34．provide 35．produce 36．absorb 37．reduce 38．harmful 39．helpful 40．beautiful 41．natural 42．wild 43．die 44．alive 45．seed 46．soil 47．water 48．sunlight 49．water 50．endangered 三、单词拼写 1．protect 2．growth 3．wood 4．leaves 5．roots 6．branches 7．fruits 8．environment 9．forest 10．plant 11．cut 12．save 13．useful 14．important 15．green 16．tall 17．thick 18．thin 19．strong 20．weak 21．clean 22．dirty 23．fresh 24．pollute 25．pollution 26．breathe 27．cool 28．warm 29．provide 30．produce 31．absorb 32．reduce 33．harmful 34．helpful 35．beautiful 36．natural 37．wild 38．die 39．alive 40．seeds 41．soil 42．water 43．sunlight 44．Endangered 45．planted 46．cut 47．saves 48．provide 49．dangerous 50．happy 四、完成句子 1．provide us with 2．protect; from 3．in the forest 4．keep the soil in place 5．Don’t start 6．Planting 7．absorb; from 8．reduce 9．important for; growth 10．thick trunk 11．Why do; save 12．make; cool 13．can’t waste 14．It’s important; to breathe 15．throw; into 16．planted; last year 17．Remember that 18．one of the best ways 19．by recycling 20．provide homes for 21．took; to plant 22．reduce noise pollution 23．have to stop 24．It’s a good idea to 25．Protecting; 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