专题02 单词拼写（期末真题汇编，四川专用）七年级英语下学期

**基本信息** 聚焦七年级下册期末单词拼写，汇编四川多地市（成都、乐山等）期末真题，43道题覆盖语境化词汇应用，融合文化人物（如Yuan Longping）与生活场景（如cooking），强化词汇实际运用能力。 **题型特征** |题型|题量/分值|知识覆盖|命题特色| |----|-----------|----------|----------| |单词拼写|43题/约43分|名词复数（狐狸）、动词形式（make→making）、代词（she→hers）、语境词汇（终身的、浪费）|结合地域真题，融入时代热点（AI singers）与文化元素（Gui Haichao），梯度设计基础题（中文提示）与能力题（首字母填空）|

专题02 单词拼写 一、单词拼写 1. (25·七下·四川乐山·期末）The plane is flying high ________ (在……上方) the mountains. 2. (25·七下·四川乐山·期末）We should protect the environment and make it ________ (更好). 3. (25·七下·四川乐山·期末）It’s raining, but we s________ want to play outside. 4. (25·七下·四川达州·期末）Tom succeeded in ________ (make) progress in English this term. 5. (25·七下·四川达州·期末）The little girl was ________ (happy) because she lost her watch. 6. (25·七下·四川达州·期末）My grandmother ________ (teach) maths in a school ten years ago. 7. (25·七下·四川达州·期末）These ping-pong bats are ________ (she). 8. (25·七下·四川达州·期末）Here are some ________ (狐狸). They really look like dogs. 9. (25·七下·四川泸州·期末）The w________ in Luzhou is hot in summer. 10. (25·七下·四川泸州·期末）The meat is not f________, so I don’t want to buy it. 11. (25·七下·四川宜宾·期末）He taught ________ (他自己) how to play the guitar by watching online videos. 12. (25·七下·四川宜宾·期末）I bought some ________ (新鲜的) vegetables at the market in the morning. 13. (25·七下·四川乐山·期末）When I travel in other cities, I’d like to buy some local ________ (明信片)。 14. (25·七下·四川乐山·期末）Mount Qomolangma is the ________ (高的) mountain in the world. 15. (25·七下·四川乐山·期末）Her family ________ (邀请) me to stay with them for a few weeks and I accepted. 16. (25·七下·四川乐山·期末）My mum is cooking Gongbao chicken in the kitchen. It ________ (闻起来) delicious. 17. (25·七下·四川乐山·期末）As a Chinese, I feel p________ that our country attracts many people from different countries. 18. (25·七下·四川广安·期末）Ne Zha is so ________ (勇敢的) in Ne Zha 2. 19. (25·七下·四川广安·期末）________ (曾经), Guang’an was Congcheng. 20. (25·七下·四川遂宁·期末）You need to play it every day. P ________ makes perfect. 21. (25·七下·四川遂宁·期末）I don’t like playing football and I ________ (很少) watch football matches. 22. (25·七下·四川遂宁·期末）The summer holiday is coming. I’m looking forward to ________ (take) a holiday in Sanya. 23. (25·七下·四川遂宁·期末）Autumn is coming. There are some ________ (树叶) on the ground. 24. (25·七下·四川宜宾·期末）Although it’s snowy outside, he ________ (仍然) goes to pick up his daughter. 25. (25·七下·四川宜宾·期末）It’s noisy over there. Let’s see what is h________. 26. (25·七下·四川达州·期末）The boat is going down fast. The people on the boat are ________ (喊叫) for help. 27. (2023七年级下·四川成都·期末）Today is Sunday. Look, people ________ happily in Wuhou Sports Park. (exercise) 28. (2023七年级下·四川成都·期末）Children enjoyed the farm. They ________ chickens and rode horses yesterday. (feed) 29. (2023七年级下·四川成都·期末）It’s easy to have a fire in the f________ when the weather is hot and dry. 30. (2023七年级下·四川成都·期末）Ba Jin d________ what people’s life in Chengdu was like in his three works The Family, Spring and Autumn. 1. (25·七下·四川乐山·期末）The old man has a ________ (终身的) dream of running a marathon. 2. (25·七下·四川乐山·期末）He s________ most of his free time playing computer games. 3. (25·七下·四川达州·期末）Don’t run too ________ (quick), it’s dangerous. 4. (25·七下·四川达州·期末）I don’t drink soft drinks. I drink milk i________. 5. (25·七下·四川泸州·期末）Many wild animals are in d________. Let’s save them together. 6. (25·七下·四川宜宾·期末）Keeping diaries is a good way to r________ our thoughts and feelings. 7. (25·七下·四川乐山·期末）Nancy has a beautiful v________. She wants to join the school music club. 8. (25·七下·四川乐山·期末）In my o________, the Plan A is better than the Plan B． 9. (25·七下·四川乐山·期末）We all know that Yuan Longping is o________ of the most important scientists in China. 10. (25·七下·四川乐山·期末）The blue sky and the green land always give me a c________ feeling when I want to relax. 11. (25·七下·四川广安·期末）Sarah didn’t come back home ________ (直到……为止) 10 p.m. 12. (25·七下·四川宜宾·期末）I didn’t call her. I sent a message i________. 13. (25·七下·四川达州·期末）If you want to be a________ from class, you have to tell your teacher. 14. (25·七下·四川达州·期末）To lose ________ (体重), she exercises every morning. 15. (25·七下·四川宜宾·期末）His hard-working ______ (精神) encourages me a lot. 16. (25·七下·四川乐山·期末）The runners are waiting at the starting l________ for the race to begin. 17. (25·七下·四川乐山·期末）The book was full of m________ and it made the children very excited. 18. (2023七年级下·四川成都·期末）Summer vacation is a good time ________ by Jiang’an River and drink orange juice. (sit) 19. (2023七年级下·四川成都·期末）As the first Chinese astronaut (航天员) with glasses, Gui Haichao w________ hard to make his dream come true this May. 20. (25·七下·四川泸州·期末）I don’t want to _________ (浪费) my time talking with her. It’s like playing the lute to a cow. 21. (25·七下·四川乐山·期末）Tom taught ______ (自己) to play the piano and practiced for hours a day. 22. (2023七年级下·四川成都·期末）I worried it would rain at about 2 p.m. L________, it didn’t, and the sun came out again. 23. (2023七年级下·四川成都·期末）AI singers are very (p)________ now. They look and sound like real singers. 1 / 2 学科网（北京）股份有限公司 $ 专题02 单词拼写 一、单词拼写 1．（25·七下·四川乐山·期末）The plane is flying high ________ (在……上方) the mountains. 【答案】above 【解析】句意：飞机在高山上空飞行。above作地点介词，意为“高出……，在……上面”，表示在某物上的高低位置，且不接触。故填above。 2．（25·七下·四川乐山·期末）We should protect the environment and make it ________ (更好). 【答案】better 【解析】句意：我们应当保护环境，并使其变得更加美好。better“更好”，make sth+形容词表示“使某物……”，形容词作宾补，故填better。 3．（25·七下·四川乐山·期末）It’s raining, but we s________ want to play outside. 【答案】(s)till 【解析】句意：天在下雨，但我们仍然想出去玩。根据“It’s raining, but...want to play outside”和首字母s可知，尽管下雨，但仍然想玩，still“仍然”。故填(s)till。 4．（25·七下·四川达州·期末）Tom succeeded in ________ (make) progress in English this term. 【答案】making 【解析】句意：Tom这学期在英语上成功取得了进步。succeed in doing意为“成功做某事”，动名词作宾语；make的动名词为making。故填making。 5．（25·七下·四川达州·期末）The little girl was ________ (happy) because she lost her watch. 【答案】unhappy 【解析】句意：这个小女孩很不开心，因为她弄丢了手表。根据“because she lost her watch.”可知，弄丢了手表会不开心。unhappy不开心的，形容词作表语。故填unhappy。 6．（25·七下·四川达州·期末）My grandmother ________ (teach) maths in a school ten years ago. 【答案】taught 【解析】句意：十年前，我祖母在一所学校教数学。根据“ten years ago”可知，事情发生于十年前，用一般过去时，teach“教”，动词，过去式为taught。故填taught。 7．（25·七下·四川达州·期末）These ping-pong bats are ________ (she). 【答案】hers 【解析】句意：这些乒乓球拍是她的。空格后无名词，需用名词性物主代词指代 “她的乒乓球拍”，“she”的名词性物主代词是“hers”。故填hers。 8．（25·七下·四川达州·期末）Here are some ________ (狐狸). They really look like dogs. 【答案】foxes 【解析】句意：这里有一些狐狸。它们看起来真的很像狗。fox狐狸，是可数名词，some修饰名词复数。故填foxes。 9．（25·七下·四川泸州·期末）The w________ in Luzhou is hot in summer. 【答案】(w)eather 【解析】句意：泸州的夏天很热。根据“hot in summer.”可知，此处应填表示天气的名词。结合首字母w及常识推断，此处应填不可数名词“weather”。故填(w)eather。 10．（25·七下·四川泸州·期末）The meat is not f________, so I don’t want to buy it. 【答案】(f)resh 【解析】句意：这肉不新鲜，所以我不想买它。根据“so I don’t want to buy it.”和首字母可知，肉不新鲜，应填fresh，意为“新鲜的”，形容词作表语。故填(f)resh。 11．（25·七下·四川宜宾·期末）He taught ________ (他自己) how to play the guitar by watching online videos. 【答案】himself 【解析】句意：他通过观看在线视频自学了如何弹吉他。himself“他自己”，反身代词，用于指代主语“he”自身。taught oneself表示“某人自学”。故填himself。 12．（25·七下·四川宜宾·期末）I bought some ________ (新鲜的) vegetables at the market in the morning. 【答案】fresh 【解析】句意：我早上在市场买了一些新鲜的蔬菜。根据“some...vegetables”可知，fresh“新鲜的”，形容词，修饰名词“vegetables”，表示蔬菜是新鲜的。故填fresh。 13．（25·七下·四川乐山·期末）When I travel in other cities, I’d like to buy some local ________ (明信片)。 【答案】postcards 【解析】句意：当我在其他城市旅行时，我想要买一些本地的明信片。根据汉语提示可知本题考查单词postcard“明信片”，可数名词，由“some”可知此处应用其复数形式，故填postcards。 14．（25·七下·四川乐山·期末）Mount Qomolangma is the ________ (高的) mountain in the world. 【答案】highest 【解析】句意：珠穆朗玛峰是世界上最高的山。高的：high；根据“in the world” 可知是世界上最高的山，用最高级highest。故填highest。 15．（25·七下·四川乐山·期末）Her family ________ (邀请) me to stay with them for a few weeks and I accepted. 【答案】invited 【解析】句意：她的家人邀请我和他们一起住几个星期，我接受了。invite“邀请”，结合“and I accepted”，可知句子用一般过去时，谓语动词用过去式。故填invited。 16．（25·七下·四川乐山·期末）My mum is cooking Gongbao chicken in the kitchen. It ________ (闻起来) delicious. 【答案】smells 【解析】句意：我妈妈正在厨房做宫保鸡丁。它闻起来很美味。主语“It”是第三人称单数，句子用一般现在时，动词“smell”用第三人称单数形式“smells”。故填smells。 17．（25·七下·四川乐山·期末）As a Chinese, I feel p________ that our country attracts many people from different countries. 【答案】(p)roud 【解析】句意：作为一个中国人，我为我们国家吸引了许多来自不同国家的人而感到自豪。“feel”是系动词，其后接形容词作表语，结合句意及首字母“p”，“proud”（自豪的）符合语境。故填(p)roud。 18．（25·七下·四川广安·期末）Ne Zha is so ________ (勇敢的) in Ne Zha 2. 【答案】brave 【解析】句意：在《哪吒 2》中，哪吒非常勇敢。根据句意和汉语提示可知，此处考查brave“勇敢的”，形容词，在句中作系动词“is”的表语。故填brave。 19．（25·七下·四川广安·期末）________ (曾经), Guang’an was Congcheng. 【答案】Once 【解析】句意：曾经，广安是賨城。根据“...Guang’an was Congcheng.”和汉语提示可知，once“曾经”，在句中作时间状语，表示过去某个时间点或时间段的情况，句首首字母大写。故填Once。 20．（25·七下·四川遂宁·期末）You need to play it every day. P ________ makes perfect. 【答案】(P)ractice 【解析】句意：你需要每天都练习。熟能生巧。根据“You need to play it every day.”和首字母提示可知，此处是一个谚语Practice makes perfect.“熟能生巧”。故填(P)ractice。 21．（25·七下·四川遂宁·期末）I don’t like playing football and I ________ (很少) watch football matches. 【答案】seldom 【解析】句意：我不喜欢踢足球，也很少看足球比赛。根据句意和汉语提示可知，此处考查seldom“很少”，副词，在句中作状语。故填seldom。 22．（25·七下·四川遂宁·期末）The summer holiday is coming. I’m looking forward to ________ (take) a holiday in Sanya. 【答案】taking 【解析】句意：暑假就要来了。我期待着去三亚度假。“look forward to doing”是固定短语，意为“期待做某事”，“take”的动名词形式是“taking”。故填taking。 23．（25·七下·四川遂宁·期末）Autumn is coming. There are some ________ (树叶) on the ground. 【答案】leaves 【解析】句意：秋天来了。地上有一些树叶。根据中文提示可知，“树叶”的英文单词是“leaf”，是可数名词。“some”表示“一些”，后面接可数名词复数或不可数名词，所以这里要用“leaf”的复数形式“leaves”。故填leaves。 24．（25·七下·四川宜宾·期末）Although it’s snowy outside, he ________ (仍然) goes to pick up his daughter. 【答案】still 【解析】句意：虽然外面下着雪，他仍然去接女儿。根据汉语提示可知，此处应填单词still，是副词。故填still。 25．（25·七下·四川宜宾·期末）It’s noisy over there. Let’s see what is h________. 【答案】(h)appening 【解析】句意：那边很吵。让我们看看发生了什么事。根据首字母提示及“It’s noisy over there.”可知，那边很吵，所以此处应该表示想弄清楚发生了什么，happen“发生”，符合。结合“Let’s see what is...”可知，此处需使用现在进行时态，结构为：be+现在分词。happen的现在分词形式为happening。故填(h)appening。 26．（25·七下·四川达州·期末）The boat is going down fast. The people on the boat are ________ (喊叫) for help. 【答案】shouting 【解析】句意：船正在快速下沉。船上的人在大声呼救。shout“喊叫”，此处应用现在分词形式，构成现在进行时。故填shouting。 27．（2023七年级下·四川成都·期末）Today is Sunday. Look, people ________ happily in Wuhou Sports Park. (exercise) 【答案】are exercising 【解析】句意：今天是星期天。看，人们正在武侯体育公园快乐地锻炼。根据“Look”可知，此处表示正在进行的动作，应用现在进行时态，主语是“people”，所以此处应填are exercising。故填are exercising。 28．（2023七年级下·四川成都·期末）Children enjoyed the farm. They ________ chickens and rode horses yesterday. (feed) 【答案】fed 【解析】句意：孩子们喜欢农场。他们昨天喂鸡和骑马了。根据“yesterday”可知，句子时态为一般过去时。故填fed。 29．（2023七年级下·四川成都·期末）It’s easy to have a fire in the f________ when the weather is hot and dry. 【答案】(f)orest 【解析】句意：在天气炎热干燥的时候，森林里很容易发生火灾。根据“It’s easy to have a fire in the…when the weather is hot and dry.”的句意及首字母提示可知，此处应该指森林，in the forest“在森林里”，固定词组。故填(f)orest。 30．（2023七年级下·四川成都·期末）Ba Jin d________ what people’s life in Chengdu was like in his three works The Family, Spring and Autumn. 【答案】(d)epicted 【解析】句意：巴金在他的三部作品《家》、《春》和《秋》中描绘了成都人的生活。根据“Ba Jin…what people’s life in Chengdu was like in his three works The Family, Spring and Autumn.”的句意并结合首字母提示可知，此处指巴金在他的三部作品中描绘了成都人的生活，depict“描绘”，是动词，句子表述的是过去发生的事情，要用一般过去时，谓语动词用过去式形式。故填(d)epicted。 1．（25·七下·四川乐山·期末）The old man has a ________ (终身的) dream of running a marathon. 【答案】lifelong 【解析】句意：这位老人毕生的梦想是跑马拉松。lifelong“终身的”，形容词作定语，修饰名词dream。故填lifelong。 2．（25·七下·四川乐山·期末）He s________ most of his free time playing computer games. 【答案】(s)pends/(s)pent 【解析】句意：他把大部分空闲时间都花在玩电脑游戏上。根据“He ... most of his free time playing computer games.”可知，此处指花费大部分空闲时间在玩电脑游戏上，spend“花费”，动词；根据语境，可以是陈述一个事实，也可以是叙述过去发生的事情，因此时态用一般现在时或一般过去时；主语为He，spend的三单形式为spends，过去式为spent。故填(s)pends/(s)pent。 3．（25·七下·四川达州·期末）Don’t run too ________ (quick), it’s dangerous. 【答案】quickly 【解析】句意：不要跑得太快，这很危险。quick快的，形容词。这里修饰动词run“跑”，用副词quickly“快地”。故填quickly。 4．（25·七下·四川达州·期末）I don’t drink soft drinks. I drink milk i________. 【答案】(i)nstead 【解析】句意：我不喝软饮料。而是喝牛奶。前句说不喝软饮料，后句说喝牛奶，存在替代关系，结合首字母“i”，应填副词“instead”。“instead”在句子中作状语，修饰整个句子，表转折替代。故填(i)nstead。 5．（25·七下·四川泸州·期末）Many wild animals are in d________. Let’s save them together. 【答案】(d)anger 【解析】句意：许多野生动物处于危险之中。让我们一起拯救它们。根据“Many wild animals are in … .”结合首字母提示可知，此处应指动物处于危险之中，in danger“处于危险之中”，介词短语。故填(d)anger。 6．（25·七下·四川宜宾·期末）Keeping diaries is a good way to r________ our thoughts and feelings. 【答案】(r)ecord 【解析】句意：写日记是记录我们的想法和感受的好方法。根据“Keeping diaries”以及“our thoughts and feelings”和首字母提示可知，此处指记录想法和感受，record“记录”，动词；此处为动词不定式作定语，to后接动词原形。故填(r)ecord。 7．（25·七下·四川乐山·期末）Nancy has a beautiful v________. She wants to join the school music club. 【答案】(v)oice 【解析】句意：南希有一副美妙的嗓音。她想加入学校的音乐俱乐部。根据“She wants to join the school music club.”以及首字母提示可知，她想加入音乐社团，说明她有一副好嗓音，voice“嗓音”，前有a，空处用单数。故填(v)oice。 8．（25·七下·四川乐山·期末）In my o________, the Plan A is better than the Plan B． 【答案】(o)pinion 【解析】句意：在我看来，A计划比B计划好。根据“In my ... the Plan A is better than the Plan B.”和首字母可知，此处表示表达自己的观点，in one’s opinion“在某人看来”，固定短语。故填(o)pinion。 9．（25·七下·四川乐山·期末）We all know that Yuan Longping is o________ of the most important scientists in China. 【答案】(o)ne 【解析】句意：我们都知道袁隆平是中国最重要的科学家之一。根据“of the most important scientists”及首字母可知，此处是固定结构one of the+形容词最高级+名词复数“最……之一”。故填(o)ne。 10．（25·七下·四川乐山·期末）The blue sky and the green land always give me a c________ feeling when I want to relax. 【答案】(c)alm 【解析】句意：当我想要放松时，蓝天和绿地总是给我一种平静的感觉。根据“The blue sky and the green land always give me a c... feeling”可知，蓝天和绿地能给人平静的感觉，用形容词calm“平静的”，作定语。故填(c)alm。 11．（25·七下·四川广安·期末）Sarah didn’t come back home ________ (直到……为止) 10 p.m. 【答案】until 【解析】 句意：Sarah直到晚上10点才回到家。“直到……为止”对应的英文是“until”。故填until。 12．（25·七下·四川宜宾·期末）I didn’t call her. I sent a message i________. 【答案】(i)nstead 【解析】句意：我没有给她打电话。相反，我发了一条信息。根据“I didn’t call her. I sent a message…”以及首字母提示可知，此处指没有打电话，“相反”发了信息，instead“相反”，副词，在句中作状语。故填(i)nstead。 13．（25·七下·四川达州·期末）If you want to be a________ from class, you have to tell your teacher. 【答案】(a)bsent 【解析】句意：如果你想缺课，你必须告诉你的老师。根据“from class”和首字母可知，是指缺课，应用be absent from class。故填(a)bsent。 14．（25·七下·四川达州·期末）To lose ________ (体重), she exercises every morning. 【答案】weight 【解析】句意：为了减肥，她每天早上都锻炼。根据“To lose...she exercises every morning.”及汉语提示可知，“lose weight”意为“减肥、减轻体重”，动词短语。故填weight。 15．（25·七下·四川宜宾·期末）His hard-working ______ (精神) encourages me a lot. 【答案】spirit 【解析】句意：他的勤奋精神极大地激励了我。根据汉语提示可知，空处应为名词spirit“精神”，作句子主语。故填spirit。 16．（25·七下·四川乐山·期末）The runners are waiting at the starting l________ for the race to begin. 【答案】(l)ine 【解析】句意：赛跑运动员在起跑线上等待比赛开始。根据“The runners are waiting at the starting…for the race to begin.”以及首字母提示可知，此处指“起跑线”，应用单数名词line“线”。故填(l)ine。 17．（25·七下·四川乐山·期末）The book was full of m________ and it made the children very excited. 【答案】(m)agic 【解析】句意：这本书充满了魔法，它让孩子们非常兴奋。根据句子结构和首字母“m”可知，此处是一个名词。句中表述书中的内容让孩子们感到非常兴奋，因此可以推断出书中可能充满了“魔法”等令人兴奋的元素。“magic”意为“魔法”符合语境。故填(m)agic。 18．（2023七年级下·四川成都·期末）Summer vacation is a good time ________ by Jiang’an River and drink orange juice. (sit) 【答案】to sit 【解析】句意：暑假是一个坐在江安河边喝橙汁的好时光。根据a good time to do sth“做某事的好时光”可知，应用动词sit的不定式形式to sit。故填to sit。 19．（2023七年级下·四川成都·期末）As the first Chinese astronaut (航天员) with glasses, Gui Haichao w________ hard to make his dream come true this May. 【答案】(w)orked 【解析】句意：作为第一位佩戴眼镜的中国航天员，桂海潮努力工作，在今年五月份他的梦想成真了。根据“…hard to make his dream come true”及首字母可知，努力工作让梦想成真，work“工作”，根据this May可知，此句是一般过去时，动词用过去式，故填(w)orked。 20．（25·七下·四川泸州·期末）I don’t want to _________ (浪费) my time talking with her. It’s like playing the lute to a cow. 【答案】waste 【解析】句意：我不想浪费时间和她聊天，就像是在对牛弹琴。结合句意和汉语提示可知，waste“浪费”，动词；根据空前不定式符号to可知，此处应用动词原形。故填waste。 21．（25·七下·四川乐山·期末）Tom taught ______ (自己) to play the piano and practiced for hours a day. 【答案】himself 【解析】句意：汤姆自学弹钢琴，每天练习几个小时。teach oneself“自学”，主语是第三人称单数Tom，故用反身代词himself“他自己”。故填himself。 22．（2023七年级下·四川成都·期末）I worried it would rain at about 2 p.m. L________, it didn’t, and the sun came out again. 【答案】(L)uckily 【解析】句意：我担心下午2点左右会下雨。幸运的是，没下，太阳又出来了。根据“it didn’t, and the sun came out again”及首字母提示可知，没下雨，太阳又出来了，应该是一件幸运的事情；分析句子结构可知，此处应用副词形式，作状语，luckily“幸运的是”符合，句首首字母大写。故填(L)uckily。 23．（2023七年级下·四川成都·期末）AI singers are very (p)________ now. They look and sound like real singers. 【答案】(p)opular 【解析】AI歌手现在非常受欢迎。他们看起来和听起来就像真正的歌手。根据“AI singers are very (p)…now. They look and sound like real singers.”可知，要填popular“受欢迎的”，在系动词are后面作表语。故填(p)opular。 1 / 2 学科网（北京）股份有限公司 $ 专题02 单词拼写 1.above 2.better 3.still 4.making 5.unhappy 6.taught 7.hers 8.foxes 9.weather 10.fresh 11.himself 12.fresh 13.postcards 14.highest 15.invited 16.smells 17.proud 18.brave 19.Once 20.Practice 21.seldom 22.taking 23.leaves 24.still 25.happening 26.shouting 27.are exercising 28.fed 29.forest 30.depicted 1.lifelong 2.spends/spent 3.quickly 4.instead 5.danger 6.record 7.voice 8.opinion 9.one 10.calm 11.until 12.instead 13.absent 14.weight 15.spirit 16.line 17.magic 18.to sit 19.worked 20.waste 21.himself 22.Luckily 23.popular 1 / 2 学科网（北京）股份有限公司 $