Unit 7 The natural world 语法Grammar 基本句型和并列连词-2025-2026学年八年级英语上册单元练习（译林版2024）

班级 姓名 学号 分数 Unit 7 The natural world 基本句型和并列连词 （时间：60分钟，满分：80分） 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．The sentence structure of “My mum cooked me a nice meal yesterday.” is ________. A．S+V+O B．S+V+P C．S+V+O+C D．S+V+O+O 【答案】D 【详解】句意：我的妈妈昨天给我煮了一顿美餐。 考查句子结构知识。句子中，“My mum”是主语（S），“cooked”是动词（V），“me”是间接宾语（O），表示动作的受益者，“a nice meal”是直接宾语（O），表示动作的对象。该结构属于双宾语（S+V+O+O）类型，故选D。 2．The structure of the sentence “I won’t lend you my homework.” is ________. A．S+V+O B．S+V+P C．S+V+IO+DO D．S+V 【答案】C 【详解】句意：句子“我不会把我的作业借给你。”的结构是主语 + 谓语 + 间接宾语 + 直接宾语。 考查句子结构。S+V+O主语 + 谓语 + 宾语；S+V+P主语 + 谓语 + 表语；S+V+IO+DO主语 + 谓语 + 间接宾语 + 直接宾语；S+V主语 + 谓语。根据“I won’t lend you my homework.”可知，“I”是主语，“won’t lend”是谓语，“you”是间接宾语，“my homework”是直接宾语。故选C。 3．What is the sentence structure of “Eddie is watching Hobo work.”? A．S+V+O B．S+V+O+O C．S+V+P D．S+V+O+OC 【答案】D 【详解】句意：“Eddie is watching Hobo work.”的句子结构是什么？ 考查句子结构。在句子“Eddie is watching Hobo work.”中，“Eddie”是主语（S），“is watching”是谓语动词（V），“Hobo”是宾语（O），而“work”是宾语补足语（OC），用于补充说明宾语“Hobo”的动作。因此，该句结构符合“主语+动词+宾语+宾语补足语”（S+V+O+OC）的模式。故选D。 4．Which of the following sentences follows the structure of “S（主）+V（谓）+IO（间宾）+DO（直宾）”? A．Autumn leaves turn brown. B．Tommy does some reading every day. C．I found him very interesting. D．Sandy’s mum bought her a new hat. 【答案】D 【详解】句意：桑迪的妈妈给她买了一顶新帽子。    考查句子结构。题干要求选择符合“主语+谓语+间接宾语+直接宾语”结构的句子。A项为“主语+谓语+表语”结构；B项为“主语+谓语+宾语”结构；C项为“主语+谓语+宾语+宾语补足语”结构；D项“bought her a new hat”中“her”为间接宾语，“a new hat”为直接宾语，完全符合题干结构要求。故选D。 5．Which of the following sentences has the same structure as “Chevalier managed to swim back to the shore.”? A．Only humans speak using words. B．Men whose hair is falling out are never happy about it. C．The Prince heard loud barking coming from the direction of the house. D．A study shows that among teenage users, a lot more girls blog than boys. 【答案】C 【详解】句意：以下哪句话的结构与“Chevalier managed to swim back to the shore.”相同？ 考查句子结构。Only humans speak using words.为“主语+谓语”结构；Men whose hair is falling out are never happy about it.为“主语+系动词+表语”结构；The Prince heard loud barking coming from the direction of the house.为“主语+谓语+宾语”结构；A study shows that among teenage users, a lot more girls blog than boys.为“主语+谓语+that引导的宾语从句”结构。“Chevalier managed to swim back to the shore.”为“主语+谓语+宾语”结构，故选C。 6．以下哪个句子是“主语+谓语+宾语”的结构？ A．The school bus is coming. B．This is my father’s car. C．We usually have lunch at school. D．Lisa lives in Nanjing with her parents. 【答案】C 【详解】句意：“We usually have lunch at school.”是“主语+谓语+宾语”的结构。 考查句子结构。分析句子结构可知，选项C中：“We”是主语，“usually have”是谓语，“lunch”是宾语，符合“主语+谓语+宾语”的结构。故选C。 7．What is the sentence pattern of the sentence “This bad news made me disappointed.”? A．SV B．SVO C．SVOC D．SVOO 【答案】C 【详解】句意：这个句子“This bad news made me disappointed.”的句型是什么？ 考查基本句型。SV表示“主语+谓语”；SVO表示“主语+谓语+宾语”；SVOC表示“主语+谓语+宾语+宾补”；SVOO表示“主语+谓语+双宾语”。此句中“This bad news”是主语，“made”是谓语，“me”是宾语，“disappointed”是宾补。故选C。 8．The sentence pattern of “We make Dingxi City beautiful.” is ________. A．S+V+O B．S+V+P C．S+V+IO+DO D．S+V+O+OC 【答案】D 【详解】句意：“We make Dingxi City beautiful.(我们让定西市变得美丽。)”的句型是主语+谓语+宾语+宾语补足语。 考查句子结构。S+V+O主语+谓语+宾语；S+V+P主语+连系动词+表语；S+V+IO+DO主语+谓语+间接宾语+直接宾语；S+V+O+OC主语+谓语+宾语+宾语补足语。 “We make Dingxi City beautiful.”这句话中，We是主语，make是谓语，Dingxi City是宾语，beautiful是宾语补足语。故选D。 9．—What’s the basic structure of the sentence “Our English teacher sometimes tells us interesting stories in class.”? —It is ________. A．S+V+P B．S+V+IO+DO C．S+V+O D．S+V+DO+OC 【答案】B 【详解】句意：——“Our English teacher sometimes tells us interesting stories in class.”这句话的基本结构是什么？——结构是：主语+谓语+间接宾语+直接宾语。 考查句子结构。S+V+P表示“主语+系动词+表语”；S+V+IO+DO表示“主语+谓语+间接宾语+直接宾语”；S+V+O表示“主语+谓语+宾语”；S+V+DO+OC表示“主语+谓语+直接宾语+宾语补足语”。分析句子可知，“Our English teacher”是主语，“tells”是谓语，“us”是间接宾语，“interesting stories”是直接宾语。故选B。 10．The police make our city safe. What sentence structure is it? A．SVC B．SVO C．SVOO D．SVOC 【答案】D 【详解】句意：警察让我们的城市安全。这个句子是什么句型结构？ 考查句子结构。The police为主语；make为谓语；our city为宾语；safe为宾语补足语，形容词作宾补。因此本句的结构为“主语+谓语+宾语+宾语补足语”。故选D。 11．Which of the following sentences has the same structure as this one? Chester was feeling more tired than usual after a day at the office. A．The children ran off quickly after class. B．I always believe everyone is born equal. C．Her job was organizing papers in the office then. D．We all consider Lucy very clever and hard-working. 【答案】C 【详解】句意：下面哪一个句子和这个句子有相同的结构？Chester在办公室待了一天之后比平常感觉更累了。 考查句子结构。选项A的句子结构是“主+谓+状（时间状语）”；选项B的句子结构是“主+谓+宾从”；选项C的句子结构是“主+系+表”；选项D的句子结构是“主+谓+宾+宾补”；“Chester was feeling more tired than usual after a day at the office.”的句子结构是“主+系+表（比较级作表语）”，与选项C结构相同，故选C。 12．What is the sentence pattern of the sentence “Alice gave me a nice present yesterday.”? A．SV. B．SVO. C．SVOC． D．SVOO. 【答案】D 【详解】句意：“Alice gave me a nice present yesterday.”这句话的句型是什么？ 考查基本句型。Alice主语；gave谓语；me间接宾语；a nice present直接宾语；yesterday状语。故选D。 13．Which of the following is the same as “I saw him reading a book.” in structure (结构)? A．You have a very nice sister. B．He likes playing the piano. C．They are good at math. D．We call her Ms Liu. 【答案】D 【详解】句意：下列哪一项与句子“I saw him reading a book.”结构相同？ 考查句子结构。You have a very nice sister.是主谓宾结构；He likes playing the piano.是主谓宾结构；They are good at math.是主系表结构；We call her Ms Liu.中“Ms Liu”作宾语her的补足语，是主谓宾宾补结构。I saw him reading a book.中“reading a book”作宾语him的补足语，也是主谓宾宾补结构。故选D。 14．I have to decide which movie theater to go to. A．定语 B．表语 C．谓语 D．宾语 【答案】C 【详解】句意：我得决定去哪家电影院。 考查句子成分。I是主语；have to decide是谓语；which movie theater to go to是宾语。故选C。 15．What is the sentence pattern of “The dish smells terrible”? A．S+V B．S+V+O C．S+V+P D．S+V+O+OC 【答案】C 【详解】句意：“这道菜闻起来很糟糕”的句型是什么？ 考查基本句型。S+V主谓；S+V+O主谓宾；S+V+P主系表；S+V+O+OC主谓宾宾补。“The dish”作主语；“smells”是系动词；“terrible”是形容词，作表语。故选C。 16．Which of the following has the same sentence structure as “Hobo gave Eddie some ice cream.”? A．Spring is warm and sunny. B．I will buy my mother a present. C．We keep our classroom clean. D．Butterflies play among flowers. 【答案】B 【详解】句意：下列哪一个句子的结构与“Hobo gave Eddie some ice cream.”相同？ 考查句子结构。Spring is warm and sunny.(主+系+表)；I will buy my mother a present.(主+谓+间接宾语+直接宾语)；We keep our classroom clean.(主+谓+宾+宾语补足语)；Butterflies play among flowers.(主+谓+状语)。题干中“Hobo gave Eddie some ice cream.”是“主+谓+间接宾语+直接宾语”结构，与B项结构相同。故选B。 17．—What is the sentence structure of “They painted in the room yesterday afternoon.”? —I think it’s ________. A．S+V B．S+V+O C．S+V+IO+DO D．S+V+DO+OC 【答案】A 【详解】句意：——“他们昨天下午在房间里画画”的句子结构是什么？——我认为是主语+谓语。 考查句子结构。S+V主语+谓语；S+V+O主语+谓语+宾语；S+V+IO+DO主语+谓语+间接宾语+直接宾语；S+V+DO+OC主语+谓语+直接宾语+宾语补足语。分析“They painted in the room yesterday afternoon.”句子成分可知，主语是they，谓语是painted，in the room是地点状语，yesterday afternoon是时间状语，故句子结构是主谓加状语。故选A。 18．The structure of the sentence “The story sounds very interesting.” is ________. A．S+V+P B．S+V+O C．S+V+IO+DO D．S+V+DO+OC 【答案】A 【详解】句意：“这个故事听起来很有趣”这句话的结构是主系表。 考查句子结构。The story是主语；sounds是系动词作谓语；very interesting是表语，所以这句话的结构是“主+系+表”。故选A。 19．The sentence pattern of “We make our classroom clean.” is ____________. A．S+V+IO+DO B．S+V+O C．S+V+O+OC D．S+V+P 【答案】C 【详解】句意：“我们让我们的教室干净”的句式是主语+谓语+宾语+宾语补足语。 考查句子结构。S+V+IO+DO主语+谓语+间接宾语+直接宾语；S+V+O主语+谓语+宾语；S+V+O+OC主语+谓语+宾语+宾语补足语；S+V+P主语+连系动词+表语。由“We make our classroom clean”这句话中，we作主语，make作谓语，our classroom作宾语，clean作宾补，可知本句为“S+V+O+OC ”结构。故选C。 20．The structure of the sentence “All of us should make our county stronger and stronger.” is ________. A．S+V+P B．S+V+DO C．S+V+IO+DO D．S+V+O+OC 【答案】D 【详解】句意：“All of us should make our country stronger and stronger.”这句话的结构是“主语+谓语+直接宾语+宾语补足语”。 考查句子结构。All of us作主语；make作谓语；our country作直接宾语；stronger and stronger作宾语补足语，所以该句的结构是“S+V+O+OC”，故选D。 21．“They think John the best student.” The sentence structure is ________. A．S + V B．S + V + P C．S + V + IO + DO D．S + V + DO + OC 【答案】D 【详解】句意：“他们认为约翰是最好的学生。”这句话的结构是“主语+谓语+宾语+宾补”。 考查句子结构。S+V主谓；S+V+P主系表；S+V+IO+DO主谓双宾；S+V+DO+OC主谓宾宾补。They主语；think谓语；John宾语；the best student宾补。D选项符合题意。故选D。 22．I love ice-cream ________ I can’t eat too much, because I don’t want to be fat. A．and B．so C．because D．but 【答案】D 【详解】句意：我喜欢冰淇淋但我不能吃太多，因为我不想变胖。 考查连词辨析。and和；so所以；because因为；but但是。前半句表达“喜欢冰淇淋”，后半句表达“不能吃太多”，两者为转折关系，需用表示转折的连词but连接。故选D。 23．It was difficult to climb the mountain, ________ Sam got to the top. A．or B．so C．and D．but 【答案】D 【详解】句意：爬山很困难，但是Sam到达了山顶。 考查并列连词辨析。or或者；so因此；and和；but但是。根据“It was difficult to climb the mountain”可知，爬山很困难与Sam到达了山顶之间存在转折关系，因此用表示转折的连词but连接。故选D。 24．TikTok (抖音) helps users to make their videos more easily, ________ it is dangerous to share much private (私人的) information online. A．or B．and C．so D．but 【答案】D 【详解】句意：抖音帮助用户更容易地制作视频，但在网上分享太多私人信息是危险的。 考查连词辨析。or或者；and和；so所以；but但是。前半句讲抖音的好处，后半句讲其风险，两句之间是转折关系，应用but。故选D。 25．—I hear that Amy is trying to lose weight by taking weight-loss pills. —In my opinion, looking good is important, ________ staying healthy is far more important. A．or B．and C．so D．but 【答案】D 【详解】句意：——我听说艾米正在通过吃减肥药来减肥。——在我看来，好看很重要，但是保持健康重要得多。 考查连词辨析。or或者；and和；so所以；but但是。根据句意，前半句肯定“好看重要”，但后半句强调“健康更重要”，两者为转折关系，需用表示转折的连词but。故选D。 26．I don’t have any brothers or sisters, ________ I have lots of cousins. A．and B．so C．but D．or 【答案】C 【详解】句意：我没有兄弟或姐妹，但是我有很多表亲。 考查连词辨析。and和，表示并列；so所以，表示结果；but但是，表示转折；or或者，表示选择。根据“I don’t have any brothers or sisters...I have lots of cousins.”可知，前句否定，后句肯定，存在转折关系，填but。故选C。 27．We want to play basketball, ________ it is raining heavily outside. A．so B．although C．because D．but 【答案】D 【详解】句意：我们想打篮球，但是外面雨下得很大。 考查连词。so所以；although虽然，尽管；because因为；but但是。根据“We want to play basketball, ...it is raining heavily outside.”可知，设空处的前后句意之间存在转折关系，but符合语境。故选D。 28．—Tom, why not buy the model plane? —It’s wonderful, ________ it is too expensive. A．but B．if C．and D．since 【答案】A 【详解】句意：——汤姆，为什么不买这个模型飞机呢？——它很棒，但是太贵了。 考查连词辨析。but但是，表转折；if如果，表假设；and和，表并列；since因为，自从，表原因或时间。根据“wonderful”和“too expensive”可知，前后句为转折关系，“但是太贵”是不买的原因。故选A。 29．It took Tom two hours to fish in the river ________ he caught nothing. A．because B．but C．so D．for 【答案】B 【详解】句意：汤姆花了两个小时在河里钓鱼，但是他什么也没钓到。 考查连词辨析。because因为，引导原因状语从句；but但是，表转折关系；so所以，表因果关系；for为了，也可作连词表原因，常用于补充说明理由 。根据“It took Tom two hours to fish in the river ... he caught nothing”可知，“花两小时钓鱼”和“什么也没钓到”之间是转折关系，所以用but连接，故选 B。 30．In autumn, the weather gets cooler ________ the green leaves start to turn gold. A．because B．but C．and D．or 【答案】C 【详解】句意：秋天，天气变凉了，绿叶开始变金色。 考查连词辨析。because因为；but但是；and和；or或者。根据“the weather gets cooler...the green leaves start to turn gold”可知前后两句是并列关系，用and连接。故选C。 二、写出下列句子的句型结构(本大题共10小题，每小题2分，共20分) 31．请用英语首字母在横线上写出该句的基本句型结构 David keeps his hair short. 【答案】SVOC 【详解】句意：大卫留着短发。分析句子可知，主语是David；谓语是keeps；宾语是his hair；宾补是short。故句子的结构是主谓宾宾补。故填SVOC。 32．Cathy lend her bike to her best friend yesterday. 写出句子结构： 【答案】主语+谓语+直接宾语+间接宾语+状语 【详解】句意： 凯茜昨天把自行车借给了她最好的朋友。Cathy作主语；lend作谓语；her bike作直接宾语；her best friend作间接宾语；yesterday是状语。故填：主语+谓语+直接宾语+间接宾语+状语。 33．The waiter passed me the food. (写出句子结构) 【答案】主语+谓语+间接宾语+直接宾语 【详解】句意：服务员把食物递给我。分析句子可知，The waiter作主语；passed作谓语；me作间接宾语；the food作直接宾语。因此句子结构为：主语+谓语+间接宾语+直接宾语。故答案为：主语+谓语+间接宾语+直接宾语。 34．The old man always keeps his small house warm and clean.（写出句子结构） 【答案】主语+谓语+宾语+宾语补足语 【详解】句意：这位老人总是保持他的小房子温暖和干净。本句中主语是The old man；keeps作谓语；his small house作宾语；warm and clean作宾语补足语。故本句的结构是“主语+谓语+宾语+宾语补足语”。故填：主语+谓语+宾语+宾语补足语。 35．You should enjoy English. （写出句型结构） 【答案】S+V+O/主语+谓语+宾语 【详解】句意：你应该享受英语。You是主语；should enjoy是由“情态动词+主要动词”构成的复合谓语；English是宾语。故填S+V+O/主语+谓语+宾语。 36．Dickens is one of the greatest English writers. 句子结构是： . 【答案】SVP/S+V+P 【详解】句意：狄更斯是最伟大的英国作家之一。Dickens作主语；is系动词，作谓语；one of the greatest English writers作表语，所以句子结构为主系表。故答案为：SVP/S+V+P。 37．Teachers ask us not to run in the hallways. (写出句子结构) 【答案】主语+谓语+宾语+宾补 【详解】teachers作主语；ask作谓语；us是宾语；not to run是宾补；in the hallways是地点状语，故填：主语+谓语+宾语+宾补。 38．I would like beef and tomato noodles. （写出句子结构） 【答案】S+V+O 【详解】句意：我想要牛肉番茄面。I作主语（S）；would like作谓语（V）；beef and tomato noodles作宾语（O）。故填S+V+O。 39．Bob lent his friends some books last week. (写出句子结构) 【答案】主语+谓语+间接宾语+直接宾语+状语 【详解】句意：Bob上星期借给他朋友一些书。分析句子成分可知，Bob作主语；lent作谓语；his friends作间接宾语；some books作直接宾语；last week作时间状语。故填：主语+谓语+间接宾语+直接宾语+状语。 40．The biggest land animal in the world is the African elephant. (写出句子结构) 【答案】主语+系动词+表语 【详解】句意：世界上最大的陆地动物是非洲象。分析句子可知，“The biggest land animal in the world”作主语，“is”是系动词，“the African elephant”作表语。故填：主语+系动词+表语。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 班级 姓名 学号 分数 Unit 7 The natural world 基本句型和并列连词 （时间：60分钟，满分：80分） 1、 单项选择(本大题共30小题，每小题2分，共60分) 1．The sentence structure of “My mum cooked me a nice meal yesterday.” is ________. A．S+V+O B．S+V+P C．S+V+O+C D．S+V+O+O 2．The structure of the sentence “I won’t lend you my homework.” is ________. A．S+V+O B．S+V+P C．S+V+IO+DO D．S+V 3．What is the sentence structure of “Eddie is watching Hobo work.”? A．S+V+O B．S+V+O+O C．S+V+P D．S+V+O+OC 4．Which of the following sentences follows the structure of “S（主）+V（谓）+IO（间宾）+DO（直宾）”? A．Autumn leaves turn brown. B．Tommy does some reading every day. C．I found him very interesting. D．Sandy’s mum bought her a new hat. 5．Which of the following sentences has the same structure as “Chevalier managed to swim back to the shore.”? A．Only humans speak using words. B．Men whose hair is falling out are never happy about it. C．The Prince heard loud barking coming from the direction of the house. D．A study shows that among teenage users, a lot more girls blog than boys. 6．以下哪个句子是“主语+谓语+宾语”的结构？ A．The school bus is coming. B．This is my father’s car. C．We usually have lunch at school. D．Lisa lives in Nanjing with her parents. 7．What is the sentence pattern of the sentence “This bad news made me disappointed.”? A．SV B．SVO C．SVOC D．SVOO 8．The sentence pattern of “We make Dingxi City beautiful.” is ________. A．S+V+O B．S+V+P C．S+V+IO+DO D．S+V+O+OC 9．—What’s the basic structure of the sentence “Our English teacher sometimes tells us interesting stories in class.”? —It is ________. A．S+V+P B．S+V+IO+DO C．S+V+O D．S+V+DO+OC 10．The police make our city safe. What sentence structure is it? A．SVC B．SVO C．SVOO D．SVOC 11．Which of the following sentences has the same structure as this one? Chester was feeling more tired than usual after a day at the office. A．The children ran off quickly after class. B．I always believe everyone is born equal. C．Her job was organizing papers in the office then. D．We all consider Lucy very clever and hard-working. 12．What is the sentence pattern of the sentence “Alice gave me a nice present yesterday.”? A．SV. B．SVO. C．SVOC． D．SVOO. 13．Which of the following is the same as “I saw him reading a book.” in structure (结构)? A．You have a very nice sister. B．He likes playing the piano. C．They are good at math. D．We call her Ms Liu. 14．I have to decide which movie theater to go to. A．定语 B．表语 C．谓语 D．宾语 15．What is the sentence pattern of “The dish smells terrible”? A．S+V B．S+V+O C．S+V+P D．S+V+O+OC 16．Which of the following has the same sentence structure as “Hobo gave Eddie some ice cream.”? A．Spring is warm and sunny. B．I will buy my mother a present. C．We keep our classroom clean. D．Butterflies play among flowers. 17．—What is the sentence structure of “They painted in the room yesterday afternoon.”? —I think it’s ________. A．S+V B．S+V+O C．S+V+IO+DO D．S+V+DO+OC 18．The structure of the sentence “The story sounds very interesting.” is ________. A．S+V+P B．S+V+O C．S+V+IO+DO D．S+V+DO+OC 19．The sentence pattern of “We make our classroom clean.” is ____________. A．S+V+IO+DO B．S+V+O C．S+V+O+OC D．S+V+P 20．The structure of the sentence “All of us should make our county stronger and stronger.” is ________. A．S+V+P B．S+V+DO C．S+V+IO+DO D．S+V+O+OC 21．“They think John the best student.” The sentence structure is ________. A．S + V B．S + V + P C．S + V + IO + DO D．S + V + DO + OC 22．I love ice-cream ________ I can’t eat too much, because I don’t want to be fat. A．and B．so C．because D．but 23．It was difficult to climb the mountain, ________ Sam got to the top. A．or B．so C．and D．but 24．TikTok (抖音) helps users to make their videos more easily, ________ it is dangerous to share much private (私人的) information online. A．or B．and C．so D．but 25．—I hear that Amy is trying to lose weight by taking weight-loss pills. —In my opinion, looking good is important, ________ staying healthy is far more important. A．or B．and C．so D．but 26．I don’t have any brothers or sisters, ________ I have lots of cousins. A．and B．so C．but D．or 27．We want to play basketball, ________ it is raining heavily outside. A．so B．although C．because D．but 28．—Tom, why not buy the model plane? —It’s wonderful, ________ it is too expensive. A．but B．if C．and D．since 29．It took Tom two hours to fish in the river ________ he caught nothing. A．because B．but C．so D．for 30．In autumn, the weather gets cooler ________ the green leaves start to turn gold. A．because B．but C．and D．or 二、写出下列句子的句型结构(本大题共10小题，每小题2分，共20分) 31．请用英语首字母在横线上写出该句的基本句型结构 David keeps his hair short. 32．Cathy lend her bike to her best friend yesterday. 写出句子结构： 33．The waiter passed me the food. (写出句子结构) 34．The old man always keeps his small house warm and clean.（写出句子结构） 35．You should enjoy English. （写出句型结构） 36．Dickens is one of the greatest English writers. 句子结构是： . 37．Teachers ask us not to run in the hallways. (写出句子结构) 38．I would like beef and tomato noodles. （写出句子结构） 39．Bob lent his friends some books last week. (写出句子结构) 40．The biggest land animal in the world is the African elephant. (写出句子结构) 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $