Unit 5 Water is life 语法Grammar 谈论数量-2024-2025学年七年级英语下册单元语法精讲精练（沪教版2024）

班级 姓名 学号 分数 Unit 5 Water is life 谈论数量 （时间：40分钟，满分：100分） 1. “许多”的表达： ① a lot of = lots of + 不可数名词\ 可数名词复数 如：a lot of\ lots of water a lot of\ lots of swimmers ② many + 可数名词复数 如：many swimmers ③ much + 不可数名词 如：much water 2. “有一些；少量的(肯定意义)”的表达： ① a little + 不可数名词 如：a little time ② a few + 可数名词复数 如：a few friends 3. “几乎没有；没有（否定意义）”的表达： ① little + 不可数名词 如：There is little food in the fridge. ② few + 可数名词复数 如：He has few friends. ③ no +不可数名词\ 可数名词复数 如：There is no water in the pool. There are no swimmers in the pool. 4. 注意： ① a little = not…much “很少(肯定意义)” 如：There is a little water in this bottle. = not much ② a few = not… many “很少(肯定意义)” 如：There are a few swimmers in the pool. = not many 二.询问多少 1. How many +可数名词复数 + 一般疑问句 + 其他，如： How many oranges are there in the fridge? 2. How much +不可数名词+ 一般疑问句 + 其他 ， 如： How much paper do you need? How much is\are + the + n. ? 询问价格 如： How much are the oranges? 三.谈论足够与否 1. “太多的”表达： too many +可数名词复数 如： too many oranges too much +不可数名词 如： too much water 2. “足够的”表达： enough +可数名词复数\不可数名词 如： enough onions\ salt 3. “不足的”表达： not enough +可数名词复数\不可数名词 如： not enough onions\ salt 4. “太少的”表达： too few +可数名词复数 如：too few eggs too little +不可数名词 如：too little milk 一、单项选择(本大题共30小题，每小题2分，共60分) 1．There is ________ milk in the glass. I need to buy some. A．few B．a few C．little D．a little 2．There________ too________ water in the cloud and it began to rain soon. A．is; much B．was; many C．was; much D．is; many 3．There is only ________ milk in the fridge. I need to buy some later. A．a little B．few C．little D．a few 4．Paul has ________ friends except me, and sometimes he feels lonely. A．many B．some C．more D．few 5．Lucy, hurry up! We have ________ time left. A．little B．a few C．a little D．much 6．Don’t watch too _________ TV. It’s bad for your eyes. A．much B．many C．little D．few 7．—Shall we leave now? —Don’t hurry. We still have ________ time left. A．little B．a little C．few D．a few 8．—______ milk do we need for the cake? —Two cups. A．How many B．How much C．How long D．How often 9．—________ coffee do you want?    —Two cans. A．How many B．How much C．How often 10．—Shall we leave now? —Hurry up! We have ________ time left. A．little B．a little C．few D．a few 11．—________ milk is there in the bottle? —There is little. A．How many B．How old C．How far D．How much 12．—________ do you need? —I need two kilos of apples. A．How many B．How much C．What 13．—Can you speak Chinese? —Yes, but only ________. A．many B．a little C．a few D．much 14．—There is _______ food in the fridge. —OK, I will buy something to eat and ________. A．a little, two glasses of milk B．little, two glasses of milk C．a few, two glasses of milk D．few, two glasses of milks 15．There are ________ cookies on the table. You can get one and taste it. A．few B．a few C．little D．a little 16．There is _________ fruit juice in the fridge. Could you give it to me? A．a few B．a little C．few D．little 17．He is a new comer so he has _______ friends here. A．few B．a few C．a little D．little 18．—Mom, we need to get some milk. —I think so. There is ________ milk at home. A．few B．some C．little 19．—I love these hair clips. ________ are they? —They are ten yuan. A．How much B．How many C．How old D．How heavy 20．—______ bottles of yogurt do you want? —Six. A．How many B．How much C．How long D．How old 21．—________ bananas do you need? —Three ________. A．How much; kilo B．How much; kilos C．How many; kilo D．How many; kilos 22．There is only ________ juice in the fridge. Let’s go to the supermarket to get some more. A．little B．a little C．few D．a few 23．Mike is good at English, but sometimes he still faces ________ difficulties. A．few B．a few C．little D．a little 24．It’s dangerous to stay in the basement for too long because there is _______ fresh air. A．few B．a few C．little D．a little 25．She has ________ work every day, so she has ________ time to watch TV. A．too much; little B．too much; a few C．much too; few D．much too; a little 26．A 9-hour sleep gives Ruby ________ energy for the football match the next day. A．any B．many C．lots of D．a few 27．—________ beef do you want? —One and a half ________. A．How many; kilo B．How much; kilos C．How many; kilos D．How much: kilo 28．—What’s in the icebox?   —Only ________ apples, but ________ milk. A．a few, a few B．a few, little C．a little, few D．a few, a little 29．— ________ meat do you want? —About three and a half ________. A．How many; kilos B．How much; kilos C．How many; kiloes D．How much; kilo 30．—How ________ water ________ there in the bottle? —Only a little. A．many; is B．much; are C．much; is D．many; has 二、完成句子(本大题共20小题，每小题2分，共40分) 31．这件大衣多少钱？          is the coat? 32．你需要多少牛奶？          milk do you need? 33．约翰拥有的书籍太少了。     John has . 34．很多人在地铁里候车。       are waiting in the underground. 35．锅里的水太少了。           There is in the pot. 36．你浪费了太多时间。       You wasted . 37．What’s the price of those white shoes? (改为同义句) are those white shoes? 38．You can live for some days without water. You can live for days without water. 39．这对双胞胎会说一点法语，她们认识几个法语单词。 The twins can speak French. They know French words. 40．我从图书馆借来了很多书，但我只读了其中几本，因为我几乎没有时间。 I borrowed books from the library, but I read only of them because I had time. 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 5 Water is life 谈论数量 （时间：40分钟，满分：100分） 1. “许多”的表达： ① a lot of = lots of + 不可数名词\ 可数名词复数 如：a lot of\ lots of water a lot of\ lots of swimmers ② many + 可数名词复数 如：many swimmers ③ much + 不可数名词 如：much water 2. “有一些；少量的(肯定意义)”的表达： ① a little + 不可数名词 如：a little time ② a few + 可数名词复数 如：a few friends 3. “几乎没有；没有（否定意义）”的表达： ① little + 不可数名词 如：There is little food in the fridge. ② few + 可数名词复数 如：He has few friends. ③ no +不可数名词\ 可数名词复数 如：There is no water in the pool. There are no swimmers in the pool. 4. 注意： ① a little = not…much “很少(肯定意义)” 如：There is a little water in this bottle. = not much ② a few = not… many “很少(肯定意义)” 如：There are a few swimmers in the pool. = not many 二.询问多少 1. How many +可数名词复数 + 一般疑问句 + 其他，如： How many oranges are there in the fridge? 2. How much +不可数名词+ 一般疑问句 + 其他 ， 如： How much paper do you need? How much is\are + the + n. ? 询问价格 如： How much are the oranges? 三.谈论足够与否 1. “太多的”表达： too many +可数名词复数 如： too many oranges too much +不可数名词 如： too much water 2. “足够的”表达： enough +可数名词复数\不可数名词 如： enough onions\ salt 3. “不足的”表达： not enough +可数名词复数\不可数名词 如： not enough onions\ salt 4. “太少的”表达： too few +可数名词复数 如：too few eggs too little +不可数名词 如：too little milk 一、单项选择(本大题共30小题，每小题2分，共60分) 1．There is ________ milk in the glass. I need to buy some. A．few B．a few C．little D．a little 【答案】C 【详解】句意：杯子里没有牛奶，我需要买一些。 考查不定代词辨析。few几乎没有；a few有一点；little几乎没有；a little有一点。“milk”是不可数名词，“few” 和“a few”修饰可数名词，故排除A和B；根据“I need to buy some.”可知，杯子里几乎没有牛奶了，所以要去买一些，故选C。 2．There________ too________ water in the cloud and it began to rain soon. A．is; much B．was; many C．was; much D．is; many 【答案】C 【详解】句意：云中的水太多了，很快就开始下雨了。 考查一般过去时和不可数名词。many许多，修饰可数名词；much许多，修饰不可数名词。根据“began”可知，此句是一般过去时，water是不可数名词。故选C。 3．There is only ________ milk in the fridge. I need to buy some later. A．a little B．few C．little D．a few 【答案】A 【详解】句意：冰箱里只有一点牛奶了。我稍后需要去买一些。 考查代词辨析。a little有一点，少量，修饰不可数名词；few几乎没有，修饰可数名词复数；little几乎没有，修饰不可数名词；a few有几个，一些，修饰可数名词复数。空后“milk”为不可数名词，应用“a little”或“little”修饰，排除B和D；再根据“There is only”可知，冰箱里还有一些牛奶，只是数量不多了，需要再去买一些，应用“a little”，排除C。故选A。 4．Paul has ________ friends except me, and sometimes he feels lonely. A．many B．some C．more D．few 【答案】D 【详解】句意：除了我，保罗没有什么朋友，有时他感到孤独。 考查不定代词。many很多；some一些；more更多；few很少。根据“and sometimes he feels lonely.”可知，他的朋友不多，所以需要选一个表示否定或者少的词，few符合语境。故选D。 5．Lucy, hurry up! We have ________ time left. A．little B．a few C．a little D．much 【答案】A 【详解】句意：Lucy，快一点！我们没剩下多少时间了。 考查不定代词。little几乎没有，修饰不可数名词，表否定；a few几个，修饰可数名词复数；a little一点点，修饰不可数名词；much大量的，修饰不可数名词。根据“Lucy, hurry up!”可知，所剩时间无几，此处表示否定含义，故选A。 6．Don’t watch too _________ TV. It’s bad for your eyes. A．much B．many C．little D．few 【答案】A 【详解】句意：不要看太多电视，这对你的眼睛不好。 考查代词用法。much很多，修饰不可数名词；many很多，修饰可数名词复数；little一点，修饰不可数名词；few少许，修饰可数名词复数。根据“It’s bad for your eyes.”可知，建议不要看太多电视，用too much，故选A。 7．—Shall we leave now? —Don’t hurry. We still have ________ time left. A．little B．a little C．few D．a few 【答案】B 【详解】句意：——我们现在离开吗？——别着急，我们还有一点点时间。 考查不定代词。little几乎没有，表否定意义，修饰不可数名词；a little一点，表肯定意义，修饰不可数名词；few几乎没有，表否定意义，修饰可数名词复数；a few一点，表肯定意义，修饰可数名词复数。根据“Don’t hurry.”可知，此处表示还有一点时间，表示肯定意义，且修饰不可数名词time，用a little。故选B。 8．—______ milk do we need for the cake? —Two cups. A．How many B．How much C．How long D．How often 【答案】B 【详解】句意：——我们需要多少牛奶来做蛋糕？——两杯。 考查特殊疑问句。how many多少，修饰可数名词复数；how much多少，修饰不可数名词；how long多长，询问长度或时间；how often多频繁，询问频率。milk是不可数名词，因此应用how much来提问数量。故选B。milk是不可数名词，询问不可数名词的量用how much，故选B。 9．—________ coffee do you want?    —Two cans. A．How many B．How much C．How often 【答案】B 【详解】句意：——你想要多少咖啡？——两罐。 考查疑问词短语辨析。How many多少，询问可数名词的数量；How much多少，询问不可数名词的数量或价格；How often多久一次，询问频率。根据答语“Two cans”可知，此处是在询问咖啡的数量，且coffee为不可数名词，所以应该用How much。故选B。 10．—Shall we leave now? —Hurry up! We have ________ time left. A．little B．a little C．few D．a few 【答案】A 【详解】句意：——我们现在离开好吗？  ——快点！我们没时间了。 考查不定代词。little几乎没有，修饰不可数名词；a little一点，修饰不可数名词；few几乎没有，修饰可数名词；a few一点，修饰可数名词。根据“Hurry up!”可知，没时间了，表示否定，且time为不可数名词，用little。故选A。 11．—________ milk is there in the bottle? —There is little. A．How many B．How old C．How far D．How much 【答案】D 【详解】句意：——瓶子里有多少牛奶？——几乎没有。 考查特殊疑问句。How many多少，修饰可数名词；How old多大；How far多远；How much多少，修饰不可数名词。根据“There is little.”可知，应询问有多少牛奶，milk为不可数名词，用how much提问。故选D。 12．—________ do you need? —I need two kilos of apples. A．How many B．How much C．What 【答案】C 【详解】句意：——你需要什么？——我需要两公斤苹果。 考查特殊疑问词。How many多少，用于询问数量，通常后面跟可数名词的复数形式；How much多少钱，询问价格，多少，用来修饰不可数名词；What什么。根据回答“two kilos of apples”可知，询问需要什么。故选C。 13．—Can you speak Chinese? —Yes, but only ________. A．many B．a little C．a few D．much 【答案】B 【详解】句意：——你会说汉语吗？——会，但只会一点。 考查代词辨析。many很多，修饰可数名词复数；a little一点，修饰不可数名词；a few一些，修饰可数名词复数；much很多，修饰不可数名词。根据“but”表示转折可知，是指会一点汉语，Chinese是不可数名词，用a little修饰。故选B。 14．—There is _______ food in the fridge. —OK, I will buy something to eat and ________. A．a little, two glasses of milk B．little, two glasses of milk C．a few, two glasses of milk D．few, two glasses of milks 【答案】B 【详解】句意：——冰箱里几乎没有食物了。 ——好的，我去买些吃的和两杯牛奶。 考查不定代词和不可数名词以及数的表达。a little一些，修饰不可数名词；little几乎没有，修饰不可数名词；a few一些，修饰可数名词；few几乎没有，修饰可数名词。第一空后“food”表示“食物”，是不可数名词，且答句里的“I will buy something to eat”说明冰箱里“没有食物了”，因此第一空是little；第二空表示“两杯牛奶”，milk是不可数名词，因此正确表达是“two glasses of milk”。故选B。 15．There are ________ cookies on the table. You can get one and taste it. A．few B．a few C．little D．a little 【答案】B 【详解】句意：桌子上有一些饼干。你可以拿一个尝一尝。 考查代词辨析。few很少，表否定意义，修饰可数名词复数；a few一些，表肯定意义，修饰可数名词复数；little几乎没有，表否定意义，修饰不可数名词；a little一点，表肯定意义，修饰不可数名词。根据“You can get one and taste it”可知，桌子上有一些饼干，且cookies是可数名词复数，用a few修饰。故选B。 16．There is _________ fruit juice in the fridge. Could you give it to me? A．a few B．a little C．few D．little 【答案】B 【详解】句意：冰箱里有一点果汁。你能把它给我吗？ 考查不定代词。a few少的，表肯定，修饰可数名词复数；a little少的，表肯定，修饰不可数名词；few少的，表否定，修饰可数名词复数；little少的，表否定，修饰不可数名词。根据空格后“fruit juice”是不可数名词，故排除A、C选项；又根据后一句“Could you give it to me?”可知，此处表肯定。故选B。 17．He is a new comer so he has _______ friends here. A．few B．a few C．a little D．little 【答案】A 【详解】句意：他是新来的，所以他在这里几乎没有朋友。 考查不定代词。few几乎没有，修饰可数名词复数；a few一些，修饰可数名词复数；a little一些，修饰不可数名词；little几乎没有，修饰不可数名词。friends是可数名词复数，故排除C、D项。根据“He is a new comer”可知，他是新来的，几乎没有朋友。故选A。 18．—Mom, we need to get some milk. —I think so. There is ________ milk at home. A．few B．some C．little 【答案】C 【详解】句意：——妈妈，我们需要买些牛奶。——我也这么认为。家里几乎没有牛奶了。 考查不定代词。few很少，几乎没有，修饰可数名词复数；some一些；little很少，几乎没有，修饰不可数名词。根据“Mom, we need to get some milk.”和“I think so.”可知，牛奶几乎没有了，milk是不可数名词，所以用little来修饰。故选C。 19．—I love these hair clips. ________ are they? —They are ten yuan. A．How much B．How many C．How old D．How heavy 【答案】A 【详解】句意：——我喜欢这些发夹。它们多少钱？——十元。 考查特殊疑问句。How much多少钱；How many多少；How old多大；How heavy多重。根据“They are ten yuan.”可知，应询问多少钱。故选A。 20．—______ bottles of yogurt do you want? —Six. A．How many B．How much C．How long D．How old 【答案】A 【详解】句意：——你想要多少瓶酸奶？——六瓶。 考查疑问词辨析。How many多少，提问可数名词复数；How much多少，提问不可数名词；How long多长，提问长度或时间段；How old多大，提问年龄。根据“bottles of yogurt”可知此处表达的是询问多少瓶酸奶的意思，bottles为可数名词复数，应用How many提问。故选A。 21．—________ bananas do you need? —Three ________. A．How much; kilo B．How much; kilos C．How many; kilo D．How many; kilos 【答案】D 【详解】句意：——你需要多少香蕉？——三公斤。 考查特殊疑问句和名词的数。How much多少，修饰不可数名词；How many多少，修饰可数名词复数。第一空后bananas是可数名词复数，应用How many提问；kilo“公斤”是可数名词，Three修饰可数名词复数形式。故选D。 22．There is only ________ juice in the fridge. Let’s go to the supermarket to get some more. A．little B．a little C．few D．a few 【答案】B 【详解】句意：冰箱里只有一点点果汁。让我们去超市再买一些。 考查代词用法。little几乎没有，修饰不可数名词，表否定；a little有一些，修饰不可数名词，表肯定；few几乎没有，修饰可数名词复数，表否定；a few有一些，修饰可数名词复数，表肯定。juice是不可数名词，故排除选项C和D，根据“There is only...juice in the fridge”可知，冰箱里只有一点点果汁，需要再去买一些，故选B。 23．Mike is good at English, but sometimes he still faces ________ difficulties. A．few B．a few C．little D．a little 【答案】B 【详解】句意：迈克英语很好，但有时他仍然面临一些困难。 考查few和little的辨析。few很少，修饰复数名词，表否定含义；a few一些，修饰复数名词，表肯定含义；little少得几乎没有，修饰不可数名词，表否定含义；a little一点点，修饰不可数名词，表肯定含义。根据“difficulties”是名词复数可知，应用few/a few修饰；再根据“Mike is good at English, but sometimes he still faces ... difficulties.”可知，迈克在英语学习方面面临一些困难，表肯定含义，用a few。故选B。 24．It’s dangerous to stay in the basement for too long because there is _______ fresh air. A．few B．a few C．little D．a little 【答案】C 【详解】句意：在地下室待太久是危险的，因为那里几乎没有新鲜空气。 考查不定代词。few几乎没有，接复数名词，表否定意义；a few接复数名词，表肯定意义；little几乎没有，接不可数名词，表否定意义；a little一点，接不可数名词，表肯定意义。根据“It’s dangerous to stay in the basement for too long”可知，此处描述的应是地下室几乎没有新鲜空气，所以才危险，air“空气”，不可数名词，因此用little修饰，表示几乎没有。故选C。 25．She has ________ work every day, so she has ________ time to watch TV. A．too much; little B．too much; a few C．much too; few D．much too; a little 【答案】A 【详解】句意：她每天有太多的工作，所以她几乎没有时间看电视。 考查代词。too much太多，接不可数名词；little几乎没有，接不可数名词；a few有一点，接可数复数名词；much too很； few几乎没有，接可数复数名词；a little有一点，接不可数名词。结合“She has...work every day, so she has...time to watch TV.”可知，她每天有太多的工作，所以她几乎没有时间看电视。而“work”为不可数名词，所以第一空要填“too much”；结合“time”为不可数名词，所以第二空要填“little”。故选A。 26．A 9-hour sleep gives Ruby ________ energy for the football match the next day. A．any B．many C．lots of D．a few 【答案】C 【详解】句意：9个小时的睡眠让鲁比有充足的精力参加第二天的足球比赛。 考查名词的数和词汇辨析。any一点，丝毫；many许多，后接可数名词复数；lots of大量的，后接可数名词复数和不可数名词；a few一些，少许。根据“A 9-hour sleep”可知，9个小时充足的睡眠使鲁比有充足的精力。故选C。 27．—________ beef do you want? —One and a half ________. A．How many; kilo B．How much; kilos C．How many; kilos D．How much: kilo 【答案】B 【详解】句意：——你想要多少牛肉？——1.5公斤。 考查特殊疑问句和名词用法。how many多少，询问复数名词数量；how much多少，询问不可数名词数量；kilo千克，可数名词。beef“牛肉”，不可数名词，询问数量用how much；one and a half后跟可数名词复数形式。故选B。 28．—What’s in the icebox?   —Only ________ apples, but ________ milk. A．a few, a few B．a few, little C．a little, few D．a few, a little 【答案】B 【详解】句意：——冰箱里有什么？——只有几个苹果，但几乎没有牛奶。 考查不定代词。a few一点，接复数名词，表肯定意义；little几乎没有，接不可数名词，表否定意义；a little一点，接不可数名词，表肯定意义；few几乎没有，接复数名词，表否定意义。结合“Only...apples”可知，第一空是指有一点苹果，所以该空要填“a few”；结合“but...milk.”可知，这里是指几乎没有牛奶，所以第二空要填“little”。故选B。 29．— ________ meat do you want? —About three and a half ________. A．How many; kilos B．How much; kilos C．How many; kiloes D．How much; kilo 【答案】B 【详解】句意：——你想要多少肉？——大约三公斤半。 考查疑问句。how many多少，提问可数名词的数量；how much多少，提问价格或不可数名词的数量。根据“meat”可知提问不可数名词数量；根据“three and a half”可知kilo用复数，故选B。 30．—How ________ water ________ there in the bottle? —Only a little. A．many; is B．much; are C．much; is D．many; has 【答案】C 【详解】句意：——瓶子里有多少水？——只有一点点。 考查特殊疑问句以及主谓一致。how many多少，询问可数名词的数量；how much多少，询问不可数名词的数量；is是，为be的三单形式；are是，用于第二人称单复数现在时，第一、三人称复数现在时；has有，为have的第三人称单数形式。根据“How…water…there in the bottle?”可知，此处询问不可数名词water的数量，用how much；表示“某地有某物”，应用“There be句型”，主语是不可数名词water，be动词用is。故选C。 二、完成句子(本大题共20小题，每小题2分，共40分) 31．这件大衣多少钱？          is the coat? 【答案】 How much 【详解】此处询问价格，用疑问词how much，且位于句首，首字母大写。故填How；much。 32．你需要多少牛奶？          milk do you need? 【答案】 How much 【详解】根据“milk”是不可数名词，且句子询问数量，可知此处用how much形式，意为“多少”，通常用于询问不可数名词的数量。故填How much。 33．约翰拥有的书籍太少了。     John has . 【答案】 too few books 【详解】中英对照可知，空处意为“太少的书籍”，too few“太少”，修饰可数名词；book“书籍”，可数名词，此处用复数。故填too；few；books。 34．很多人在地铁里候车。       are waiting in the underground. 【答案】 Many people 【详解】many“很多”，修饰可数名词复数，people“人们”，集体名词，只有复数形式。故填Many；people。 35．锅里的水太少了。           There is in the pot. 【答案】 too little water 【详解】根据句意可知，此处表示“太少的水”，water“水”，不可数名词，所以用too little修饰。故填too；little；water。 36．你浪费了太多时间。       You wasted . 【答案】 too much time 【详解】中英对照可知，空处意为“太多时间”，too much“太多”，修饰不可数名词；time“时间”，不可数名词。故填too；much；time。 37．What’s the price of those white shoes? (改为同义句) are those white shoes? 【答案】 How much 【详解】句意：那些白色的鞋子多少钱？此处询问价格，how much“多少钱”，引导特殊疑问句，句首首字母大写。故填How；much。 38．You can live for some days without water. You can live for days without water. 【答案】 a few 【详解】句意：你可以在没有水的情况下生活几天。根据汉语意思可知，横线处填与some“一些”意思相近的短语。a few“一些，几个”，修饰可数名词复数。故填a；few。 39．这对双胞胎会说一点法语，她们认识几个法语单词。 The twins can speak French. They know French words. 【答案】 a little a few 【详解】句意：这对双胞胎会说一点法语，她们认识几个法语单词。根据句意及句子结构，第一空和第二空修饰不可数名词French，表示“一点”，用a little；第三空和第四空修饰可数名词复数words，表示“几个”，且带有肯定含义，用a few。故填a；little；a；few。 40．我从图书馆借来了很多书，但我只读了其中几本，因为我几乎没有时间。 I borrowed books from the library, but I read only of them because I had time. 【答案】 a lot of a few little 【详解】很多：a lot of，表示数量多。几本：a few，表示数量少。几乎没有：little，表示几乎没有时间。故填a；lot；of；a；few；little。 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 $$