Unit 5 Off to space-2026-2027学年七年级英语上册词汇精讲精练（沪教版）

U 5 Off to space 词汇精讲精练 核心词汇概览： collect leave weigh breathe adventure experiment prepare dream dream of chance send introduction experience express release program surface take photos do exercise 词汇精讲 序号 单词/短语 词汇讲解 collect 释义：V,收集，采集 a'lekt/ 词形变化：collection(n.收藏品)；collector(n.收藏家) 搭配：collect stamps集邮；collect money筹款；collect data收集 数据 例句：y brother collects old coins. 我哥哥收集旧硬币。 leave 释义：v.离开；留下；遗忘 /li:v/ 词形变化：left(过去式/过去分词)；leaving(现在分词) 搭配：leave for前往；leave behind留下；leave out省略 例句：Don't leave the door open. 别让门开着。 weigh 释义：v.称重；重… /wel/ 词形变化：weight(m.重量)；weighty(adj.重要的) 搭配：weigh.称…的重量：weigh up权衡 例句：The bag weighs5kg 这个包重5公斤。 4 breathe 释义：V.呼吸 briδ/ 词形变化：breath(n.呼吸)；breathing (n.呼吸过程) 搭配：breathein吸气；breathe out呼气 例句：We need fresh air to breathe. 我们需要新鲜空气呼吸。 adventure 释义：n.冒险：冒险经历 /ad'ventfa(r)/ 词形变化：adventurous(adj.爱冒险的)；adventurer(m.冒险家) 搭配：have an adventure有一次冒险；adventure story冒险故事 例句：He likes reading adventure books. 他喜欢读冒险书。 6 experiment 释义：n.实验v.做实验 /ik'sperimant/ 词形变化：experimental(adj.实验的)；experimentally(adv.实验地) 搭配：do an experiment做实验；experiment on/with用…做实验 例句：We are doing a science experiment. 我们在做一个科学实验。 prepare 释义：V.准备 prI pea(r)/ 词形变化：preparation(.准备)；prepared(adj.准备好的) 搭配：prepare for为…做准备；prepare to do准备做 例句：She is preparing for the exam. 她正在为考试做准备。 8 dream 释义：n.梦；梦想V.做梦；梦想 /dri:m/ 词形变化：dreamed/dreamt(过去式/过去分词)；dreamer(n.梦想 家) 搭配：dream of/about梦想；have a dream有一个梦想 例句：I dream of becoming a scientist. 我梦想成为一名科学家。 dream of 释义：短语，意为“梦想：梦见” 搭配：dream of doing sth.梦想做某事 例句：She dreams of visiting Paris.. 她梦想参观巴黎。 10 chance 释义：n.机会；可能性 /tfans/ 词形变化：chances(复数) 搭配：by chance偶然；have a chance to do有机会做；take a chance冒险 例句：Ihave a chance to travel. 我有个机会去旅行。 11 send 释义：v.发送；派遣 /send/ 词形变化：sent(过去式/过去分词)：sending(现在分词) 搭配：send for派人去请；send out发出；send up发射 例句：Please send me an email. 请给我发一封邮件。 12 introduction 释义：n.介绍；引进 /.Intra'dakfan/ 词形变化：introduce(v.介绍)；introductory(adj.介绍的) 搭配：make an introduction作介绍；letter ofintroduction介绍信 例句：Let me give a briefintroduction. 让我做一个简短介绍。 13 experience 释义：n.经验：经历v.经历 /ik'spiarians/ 词形变化：experienced(adj.有经验的)；experiences(复数) 搭配：work experience工作经验；learning experience学习经历 例句：She has a lot of teaching experience. 她有很多教学经验。 14 express 释义：v.表达 /ik'spres/ 词形变化：expression(n.表达；词语；表情) 搭配：express oneself表达自己；express feelings表达感情 例句：He can't express his ideas clearly. 他不能清楚地表达自己的想法。 15 release 释义：v.n.释放：发布 rI'lis/ 词形变化：released(过去式/过去分词)；releasing(现在分词) 搭配：release stress释放压力：release a new song发布新歌 例句：The bird was released into the wild. 那只鸟被放归野外。 16 program 释义：n.节目；程序；计划（英式拼写：programme)) /praograem/ 词形变化：programmer(m.程序员) 搭配：TV program电视节目；computer program电脑程序 例句：Ilike this TV program. 我喜欢这个电视节目。 17 surface 释义：n.表面 /'s3 fis/ 词形变化：surfaces(复数) 搭配：on the surface表面上；the surface of the earth地球表面 例句：The surface of the table is smooth. 桌面很光滑。 18 take photos 释义：短语，意为“拍照” 搭配：take photos拍照（同义：take pictures) 例句：We took many photos in the park. 我们在公园里拍了很多照片。 19 do exercise 释义：短语，意为“做运动：锻炼” 注意：exercise作“运动”不可数，作“练习”可数（常用复数） 搭配：do morning exercises做早操；do eye exercises做眼保健操 例句：You should do exercise every day. 你应该每天锻炼。 二、专项训练 (一)单句填空（用所给单词的适当形式填空） 1.Please (collect)some leaves for our project. 2.He (leave)his backpack at school yesterday. 3.The watermelon (weigh)about 10 kilograms. 4.Remember to (breathe)deeply when you feel nervous. 5.We had an exciting (adventurous)during the holiday. 6.The scientist is doing an (experiment)in the lab 7.They (prepare)for the party tomorrow. 8.She often (dream)of becoming a singer 9.It is a great (chance)to learn English abroad. 10.My father (send)me a birthday gift last week. 11.The (introduction)of the new book is very interesting. 12.He has ten years' (experience)in teaching. (二)短文填空（根据上下文，填入合适的单词，每空一词） I had a wonderful summer camp.Every day we (1)up early and (2)for the day's activities.We went hiking,took (3)of beautiful scenery,and did (4)to keep fit.One night,I had a (5)about flying into space.The next day,we did an interesting (6)about air pressure.The teacher told us to (7)deeply and then (8)the air slowly.I learned a lot and gained much (9).I want to (10)my thanks to all the teachers. (三)短文选词填空（从方框中选择恰当的单词，并用其适当形式填空，每词限用一次） 方框词汇：collect,leave,weigh,breathe,adventure,,experiment,prepare.,dream,chance, send,introduction,experience,express,release,program,surface,take photos,do exercise Last month,I joined a science camp.We needed to (1)water samples from different rivers.First,we (2)for the trip by reading maps.The guide gave us a short (3)about the local environment.We had a great (4)because we saw many rare birds.One day,we (5)the weight of a stone and found it (6)500 grams.Then we did an (7)to test the pH value of the water. We also learned how to (8)our feelings through drawing.In the evening,we (9)a rocket model into the sky.Everyone (10)photos of this amazing moment.Before leaving,we had to (11)all the rubbish behind.This (12)taught me to protect nature. (四)完成句子（根据汉语意思，用所给单词或短语完成句子） 1.请你帮我收集一些树叶好吗？ Could you please help me some leaves? 2他昨天把手机忘在图书馆了。 He his mobile phone in the library yesterday. 3这个包裹重5公斤，你能帮我拿一下吗？ This package 5 kilograms.Can you help me carry it? 4.在跑步前，你应该先深呼吸几下。 You should deeply a few times before running. 5他们梦想有一天能去南极探险。 They travelling to the South Pole one day. 6这是一个千载难逢的机会，你应该抓住它。 This is a once-in-a-lifetime You should take it. 7请发一封电子邮件告诉我你的决定 Please me an email and tell me your decision. 8新老师做了一个简短的自我介绍。 The new teacher made a short of herself. 9我有很多在山区支教的经历。 I have a lot of teaching in the mountain area. 10.他无法用英语表达自己的感受。 He can't his feelings in English. 三、参考答案 (一)单句填空 1.collect 2left 3.weighs 4.breathe 5.adventure 6.experiment 7.are preparing/ prepare ;8.dreams 9.chance 10.sent 11.introduction 12.experience (二)短文填空 1.got 2.prepared 3.photos 4.exercise 5.dream 6.experiment 7.breathe 8.release 9.experience 10.express (三)短文选词填空 1.collect 2.prepared 3.introduction ;4.adventure 5.weighed 6.weighed 7.experiment 8.express 9.released 10.took 11leave 12.experience (四)完成句子 1.collect 2left 3.weighs 4.breathe 5.dream of;6.chance 7.send 8.introduction 9.experience 10.express