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参考答案
一、根据首字母写单词
1. cactus
2. lotus
3. self
4. couple
5. pity
6. dig
7. celebration
8. Unlike
9. bear
10. daughter; stamps
11. devotes; graduates
12. serve
13. contribute
14. amazed
15. mind
二、词形变换
1. attracted
2. expectation
3. helpfulness
4. satisfied
5. hidden
6. digitalize
7. graduation
8. condition
9. contribution
10. to judge
11. celebration
12. used
13. wife’s
14. society
parison
三、单项选择
1.A 2.A 3.A 4.A 5.B 6.A 7.B 8.A 9.B 10.A 11.B 12.C 13.A 14.B 15.B
四、选词填空
1. amazed
2. devotes; graduates
3. dug; hidden
4. contribute; society
5. compare; satisfied
6. bears
五、句型转换
1. spends; on
2. Does; bear
3. What are
4. won’t graduate
5. bosses are
六、句子翻译
1. Unlike most flowers, cacti don’t need much water.
2. I make up my mind to devote myself to plant research.
3. We expect everyone to contribute to society.
4. This museum houses many unused plant stamps.
5. What a pity! We failed to dig out the ancient lotus stems.译林版（新教材）九年级上册英语Unit 4 Life is beautiful
单词详解+专项练习
1. cactus / k kt s/ n. 仙人掌
拓展：复数形式 cacti / k kta / / cactuses
固定搭配：a prickly cactus 多刺的仙人掌
例句：This cactus can live without water for months. 这株仙人掌可以数月不浇水存活。
2. lotus / l t s/ n. 莲属植物；莲花图案
拓展：lotus root 莲藕；lotus flower 荷花
词性转换：lotus-shaped adj. 莲花形状的
固定搭配：lotus pond 荷塘
例句：The lotus looks beautiful in summer. 夏天荷花十分好看。
3. self /self/ n. 自我；本来面目
拓展：侧重内心自身，反义 other 他人
词性转换：selfish adj. 自私的；selfless adj. 无私的
固定搭配：one’s true self 真实的自我
例句：You should learn to accept your true self. 你要学会接纳真实的自己。
4. peanut / pi n t/ n. 花生
拓展：peanut oil 花生油
词性转换：peanutty adj. 花生味的
固定搭配：a bag of peanuts 一袋花生
例句：We grow peanuts in our garden every year. 我们每年在菜园种花生。
5. unused / n ju zd/ adj. 未用过的
拓展：反义词 used adj. 用过的
词性转换：use v./n. 使用；useful adj. 有用的；useless adj. 无用的
固定搭配：unused space 闲置空间；unused paper 空白纸张
例句：There is some unused stationery in the box. 盒子里有一些未使用的文具。
6. pity / p ti/ n. 遗憾
拓展：可作动词 v. 同情，怜悯
词性转换：pitiful adj. 可怜的；pitiless adj. 无情的
固定搭配：What a pity! 真遗憾；have pity on sb. 同情某人
例句：It’s a pity that you missed the football match. 你错过了足球比赛，太遗憾了。
7. dig /d ɡ/ vt. & vi. 挖，掘，凿
拓展：过去式/过去分词 dug，现在分词 digging
词性转换：digger n. 挖掘机；挖掘者
固定搭配：dig up 掘地；挖掘出；dig out 挖掘出；发掘
例句：We dug up some old coins in the yard. 我们在院子里挖出了一些古钱币。
8. dig up 短语 掘地；挖掘出
例句：Workers dug up ancient plant stems last week. 工人们上周挖出了古老的植物茎干。
9. a couple of 短语 几个；一对
拓展：后接可数名词复数
固定搭配：a couple of days 几天；a couple of flowers 两朵花
例句：I need a couple of peanuts to make the dish. 我需要几颗花生来做菜。
10. celebration / sel bre n/ n. 庆祝；庆典
词性转换：celebrate v. 庆祝；celebratory adj. 庆祝的
固定搭配：a birthday celebration 生日庆典；hold a celebration 举办庆祝活动
例句：We held a big celebration for the harvest. 我们举办了盛大的丰收庆典。
11. oil / l/ n. 食用油；石油
拓展：可作动词 v. 给……上油
词性转换：oily adj. 油腻的；含油的
固定搭配：cooking oil 食用油；crude oil 原油
例句：This dish needs a little peanut oil. 这道菜需要一点花生油。
12. unlike / n la k/ prep. 不像
拓展：反义词 like prep. 像
词性转换：like adj. 相似的；unlikely adj. 不大可能的
固定搭配：unlike most plants 和大多数植物不同
例句：Unlike the lotus, cacti love dry weather. 和莲花不同，仙人掌喜欢干燥环境。
13. dig out 短语 挖掘出；发掘
例句：They dug out a hidden stone stem under the ground. 他们在地下挖出了一截埋藏的石质茎干。
14. stem /stem/ n. 茎，梗，柄
拓展：植物专业词汇；可作动词 v. 阻止
词性转换：stemless adj. 无茎的
固定搭配：plant stems 植物茎；stem from 源于
例句：The stem of the lotus can be made into food. 莲的茎可以做成食物。
15. bear /be (r)/ vt. 结（果实），开（花）；生（孩子）
拓展：过去式 bore，过去分词 borne
词性转换：bearer n. 持有者；生育者
固定搭配：bear fruit 结果实；bear flowers 开花
例句：This small tree bears fruit every autumn. 这棵小树每年秋天都会结果。
16. attractive / tr kt v/ adj. 吸引人的
词性转换：attract v. 吸引；attraction n. 吸引力；attractively adv. 诱人地
固定搭配：an attractive flower 好看的花；attractive scenery 迷人的风景
例句：The lotus flower is very attractive in summer. 夏日荷花十分吸引人。
pare /k m pe (r)/ vt. 比较，对比
词性转换：comparison n. 对比；comparative adj. 比较的
固定搭配：compare A with B 把A和 B对比；compare A to B 把A比作 B
例句： Don’t compare your self with others all the time. 不要总拿自己和别人对比。
18. expect sth of sb 短语 期待某人做某事（或具备某种能力、品质）
拓展：expect v. 期待，预料
词性转换：expectation n. 期待；expected adj. 预期的
例句：Our teachers expect great things of us. 老师对我们寄予很高的期望。
19. hidden / h dn/ adj. 隐藏的，隐匿的
拓展：动词原形 hide v. 隐藏，过去分词 hidden
词性转换：hide v. 躲藏；hiddenness n. 隐秘
固定搭配：hidden beauty 隐藏的美；hidden danger 隐患
例句：There is a hidden path behind the lotus pond. 荷塘后面有一条隐蔽的小路。
20. society /s sa ti/ n. 社会
词性转换：social adj. 社会的；社交的；socially adv. 在社交方面
固定搭配：modern society 现代社会；serve society 服务社会
例句：We should devote ourselves to society when we grow up. 长大后我们要奉献社会。
21. helpfulness / helpfln s/ n. 乐于助人
词性转换：help v./n. 帮助；helpful adj. 乐于助人的；helpless adj. 无助的
固定搭配：the spirit of helpfulness 助人为乐的精神
例句：His helpfulness makes everyone like him. 他乐于助人，所有人都喜欢他。
22. purpose / p p s/ n. 重要意义；目的，意图
词性转换：purposeful adj. 有目标的；purposely adv. 故意地
固定搭配：on purpose 故意；the main purpose 主要目的
例句：What’s the purpose of your research on plants 你研究植物的目的是什么？
23. satisfied / s t sfa d/ adj. 满意的
拓展：修饰人；satisfying 修饰事物
词性转换：satisfy v. 使满意；satisfaction n. 满意；satisfying adj. 令人满意的
固定搭配：be satisfied with 对……感到满意
例句：My boss is satisfied with my research report. 老板对我的研究报告很满意。
24. boss /b s/ n. 老板，上司
拓展：复数 bosses
词性转换：bossy adj. 爱指挥人的；专横的
固定搭配：company boss 公司老板；ask the boss for leave 向老板请假
例句：My wife’s boss will devote more time to plant research. 我妻子的上司会投入更多时间研究植物。
25. dentist / dent st/ n. 牙科医生
词性转换：dentistry n. 牙科；牙医行业
固定搭配：see a dentist 看牙医；children’s dentist 儿童牙医
例句：My daughter wants to be a dentist when she graduates. 我女儿毕业后想当牙医。
26. wife /wa f/ n. (pl. wives) 妻子
拓展：对应 husband n. 丈夫
词性转换：无衍生变形
固定搭配：one’s wife 某人的妻子；wife and daughter 妻子和女儿
例句：His wife collects plant stamps as a hobby. 他妻子爱好收集植物邮票。
27. passage / p s d / n. 章节；段落；乐段
拓展：也可表示“通道”
词性转换：pass v. 通过；传递
固定搭配：read a passage 读一段文章；a passage from the book 书中节选
例句：This passage talks about the problem of overtourism. 这一段讲了过度旅游的问题。
28. stamp /st mp/ n. 邮票
拓展：可作动词 v. 跺脚；盖章
词性转换：stamp collector n. 集邮者
固定搭配：plant stamps 植物邮票；collect stamps 集邮
例句：She bought a lotus stamp in the post office. 她在邮局买了一张荷花邮票。
29. daughter / d t (r)/ n. 女儿
拓展：对应 son n. 儿子
词性转换：daughterly adj. 女儿般的
固定搭配：elder daughter 大女儿；daughter of the family 家里的女儿
例句：My daughter will digitalize all her stamp collections. 我女儿会把她所有邮票藏品数字化。
30. devote /d v t/ vt. 献身，致力，专心
词性转换：devotion n. 奉献；devoted adj. 忠诚的，专注的
固定搭配：devote ... to ... 把…奉献给…（to 是介词，后接动名词）
例句：He devotes all his free time to plant research. 他把所有空闲时间投入植物研究。
31. research /r s t / vt., vi. & n. 研究
词性转换：researcher n. 研究员
固定搭配：do research on plants 研究植物；carry out research 开展研究
例句：We research how cacti bear fruit in dry conditions. 我们研究仙人掌如何在干旱环境结果。
32. house /ha z/ vt. 收藏，安置
拓展：名词 /ha s/ n. 房子
词性转换：housing n. 住房；安置
固定搭配：house old plant stamps 收藏老旧植物邮票
例句：The museum houses thousands of lotus paintings. 这座博物馆收藏了上千幅荷花画作。
33. overtourism / v t r z m/ n. 过度旅游
词性转换：overtourist n. 过度游客；tourism n. 旅游业
固定搭配：the problem of overtourism 过度旅游问题
例句：The passage talks about how to solve overtourism. 这篇短文讨论如何解决过度旅游。
34. digitalize / d d t la z/ vt. (= digitalise) 使（信息）数字化
词性转换：digital adj. 数字的；digitalization n. 数字化
固定搭配：digitalize old passages 将旧文段数字化
例句：We digitalize all our plant research records. 我们把所有植物研究记录数字化。
35. graduate / ɡr d ue t/ vi. & vt. (大学) 毕业
词性转换：graduation n. 毕业；graduate n. 毕业生
固定搭配：graduate from university 大学毕业；graduate next year 明年毕业
例句：She will graduate next summer and do plant research. 她明年夏天毕业，然后从事植物研究。
36. serve /s v/ vt. 能满足…的需要；vt. & vi. 服务；提供
词性转换：service n. 服务；servant n. 仆人
固定搭配：serve society 服务社会；serve people’s needs 满足人们的需求
例句：Plant research serves people’s daily life well. 植物研究很好地满足人们日常生活需求。
37. condition /k n d n/ n. 状态，状况
词性转换：conditional adj. 有条件的
固定搭配：in good condition 状态良好；living conditions 生存环境
例句： Cacti can live in terrible dry conditions. 仙人掌能在恶劣干旱的环境存活。
38. contribute /k n tr bju t/ vi. & vt. 贡献，增进，促成
词性转换：contribution n. 贡献；contributive adj. 有贡献的
固定搭配：contribute to 促成；为……做贡献
例句：Everyone can contribute to protecting local plants. 每个人都能为保护本土植物出力。
39. judge /d d / vt. & vi. 判断，认为；vt. 审判
词性转换：judgement n. 判断；法官
固定搭配：judge by appearance 以貌取人；judge the condition 判断状态
例句：You can’t judge a plant only by its stem. 不能只凭茎干判断一种植物。
40. amazed / me zd/ adj. 大为惊奇
拓展：修饰人；amazing adj. 修饰事物
词性转换：amaze v. 使惊奇；amazement n. 惊讶
固定搭配：be amazed at 对……感到惊奇
例句：We are amazed at how the lotus bears fruit in summer. 我们惊叹荷花在夏天结果的样子。
41. make up one’s mind 短语 下定决心
拓展：复数 make up one’s minds（多人）
固定搭配：make up my mind 我下定决心；make up their minds 他们下定决心
例句：I make up my mind to devote myself to plant research. 我下定决心投身植物研究。
综合练习题
一、根据句意及首字母提示写单词。
1. A c______ can live for a long time without much water.
2. The l______ is a beautiful flower that grows in ponds.
3. Don’t compare your s______ with other people.
4. We need a c______ of peanuts to cook the soup.
5. What a p______! You can’t see the attractive lotus.
6. Workers will d______ up old plant roots in this field tomorrow.
7. We will hold a big c______ for the harvest next week.
8. U______ most flowers, cacti do not need much water.
9. This tree will b______ red fruit every autumn.
10. My d______ wants to collect all kinds of plant s______.
11. He d______ all his free time to plant research after he g______.
12. We should try our best to s______ our society.
13. Everyone can c______ to protecting rare plants.
14. I am a______ at how well the lotus grows in summer.
15. I make up my m______ to study digitalize plant materials.
二、用所给词的适当形式填空。
1. We are ______ (attract) by the beautiful lotus in summer.
2. My teacher’s ______ (expect) of me is to do well in plant research.
3. His ______ (helpful) makes all the workers like him.
4. The boss is ______ (satisfy) with our research report.
5. There are many ______ (hide) plant stems under the ground.
6. We need to ______ (digitalize) these old passages about flowers.
7. After ______ (graduate), she becomes a plant researcher.
8. The ______ (condition) of the cactus is very good now.
9. His ______ (contribute) to plant study is very important.
10. It’s not right ______ (judge) plants only by their looks.
11. The ______ (celebrate) will start at 8 o’clock tomorrow morning.
12. Don’t waste any ______ (use) paper; use the unused one.
13. My ______ (wife) hobby is collecting lotus stamps.
14. The ______ (society) needs more people to do useful research.
15. The ______ (compare) between lotus and cactus is interesting.
三、单项选择。
( ) 1. We should devote all our energy ______ protecting wild plants.
A. to B. for C. at D. with
( ) 2. —What a ______! You missed the flower show.
A. pity B. purpose C. society D. condition
( ) 3. Unlike ______ plants, cacti can stay alive in dry weather.
A. other B. another C. others D. the other
( ) 4. She ______ her mind to do research after leaving college.
A. makes up B. makes of C. makes out D. makes for
( ) 5. Everyone can contribute ______ solving the overtourism problem.
A. in B. to C. with D. for
( ) 6. The museum ______ many old plant paintings.
A. houses B. digs C. bears D. judges
( ) 7. My teacher expects great things ______ every student.
A. for B. of C. at D. to
( ) 8. We are amazed ______ the strong life of cacti.
A. at B. to C. with D. for
( ) 9. He will graduate ______ high school in two years.
A. in B. from C. at D. on
( ) 10. The boss is satisfied ______ our research on lotus.
A. with B. to C. for D. about
( ) 11. You can’t ______ a person just by his look.
A. compare B. judge C. dig D. serve
( ) 12. The ______ of this study is to protect rare flowers.
A. helpfulness B. self C. purpose D. celebration
( ) 13. A ______ of volunteers will help dig out ancient stems.
A. couple B. stamp C. passage D. dentist
( ) 14. This oil is ______, so we can throw it away.
A. attractive B. unused C. hidden D. satisfied
( ) 15. His ______ to plant protection wins high praise from society.
A. comparison B. contribution C. expectation D. digitalization
四、选词填空，从方框选词，词形可变化。
dig, satisfy, amaze, devote, compare, bear, contribute, hidden, graduate, society
1. People are ________ at the beauty of wild lotuses.
2. He ________ all his spare time to studying cacti after he ________.
3. Workers ________ up many ________ plant roots last month.
4. We should ________ our efforts to serving the whole ________.
5. Don’t ________ yourself with others, or you won’t feel ________ with your life.
6. This old tree ________ sweet fruit every summer.
五、句型转换。
1. He devotes much time to plant research.（改为同义句）
He ______ much time ______ plant research.
2. The little tree bears fruit every year.（改为一般疑问句）
______ the little tree ______ fruit every year
3. We are amazed at the beauty of lotus.（划线提问）
______ ______ you amazed at
4. She will graduate next summer.（改为否定句）
She ______ ______ next summer.
5. My boss is satisfied with my work.（改为复数句）
Our ______ ______ satisfied with our work.
六、句子翻译。
1. 和大多数花不同，仙人掌不需要很多水。
____________________________________________________
2. 我下定决心投身于植物研究。
____________________________________________________
3. 我们期待每个人都能为社会做贡献。
____________________________________________________
4. 这个博物馆收藏了许多未使用过的植物邮票。
____________________________________________________
5. 真遗憾！我们没能挖出古老的莲花根茎。
____________________________________________________

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