12完形填空（20篇）-2026年小升初英语分班测前查漏补缺专项练习（牛津上海版试用本）

**基本信息** 聚焦真实生活情境，通过20篇不同主题完形填空，系统训练语法词汇应用与上下文逻辑推理能力，提升语言综合运用与思维品质。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |完形填空综合训练|20篇|选择合适选项补全短文，考查语法（时态、介词等）、词汇（比较级、动词形式等）及上下文逻辑|从基础语法规则到语境应用，通过校园、旅行、环保等主题构建“词汇-语法-语篇理解”链条，培养语言能力与逻辑思维|

12完形填空（20篇） 2026年小升初英语分班测前查漏补缺专项练习（牛津上海版试用本） 一、阅读短文，选择合适的选项将短文补充完整。 Yesterday was my first day at my new school. I felt a little nervous ___1___ excited at the same time. My new school is much ___2___ than my old one. It has a big playground and a modern library. When I walked into the classroom, all my classmates stood up and ___3___ me warmly. My new teacher, Mr. Zhang, asked me to introduce ___4___ to the class. I told them my name and where I came from. During the break, a friendly boy ___5___ Li Ming showed me around the school. He took me to the dining hall, the science lab, and the art room. At lunchtime, I sat ___6___ some new friends. They shared their food ___7___ me. In the afternoon, we had a music lesson. I played the guitar ___8___ the class. Everyone clapped their hands. I felt very happy. My new school life is ___9___ a new beginning. I believe I will make more friends and learn ___10___ here. ( ) 1．A. and B. but C. or ( ) 2．A. bigger B. biggest C. big ( ) 3．A. welcomed B. welcome C. welcomes ( ) 4．A. me B. myself C. my ( ) 5．A. call B. called C. calling ( ) 6．A. with B. and C. for ( ) 7．A. to B. for C. with ( ) 8．A. to B. for C. with ( ) 9．A. like B. look C. love ( ) 10．A. much B. many C. more 二、完形填空，选择合适的单词补全短文。 Last summer, my parents took me to a beautiful seaside town ___1___ holiday. We stayed there ___2___ a whole week. The weather was sunny and the sea was ___3___ blue. Every morning, I got up early to watch the sunrise. It was the most beautiful sight I ___4___ ever seen. During the day, I swam in the sea and built sandcastles on the beach. My father taught me ___5___ to catch small fish. We also went boating ___6___ the sea. In the evening, we walked along the beach and ___7___ beautiful shells. The local seafood was fresh and ___8___ . I tried many kinds of fish and crabs. On the last day, we bought some special gifts ___9___ our relatives. This trip was unforgettable. I hope I can go there ___10___ next year. ( ) 1．A. in B. at C. on ( ) 2．A. for B. since C. during ( ) 3．A. clear B. clearly C. clearest ( ) 4．A. have B. has C. had ( ) 5．A. what B. how C. when ( ) 6．A. in B. on C. at ( ) 7．A. picked up B. picked C. picking ( ) 8．A. delicious B. difficult C. different ( ) 9．A. to B. for C. with ( ) 10．A. too B. also C. again 三、阅读下面短文，理解其大意，从短文后每小题所给的A、B、C三个选项中选择一个能填入空白处的最佳选项。 I have a pen pal ___1___ Australia. His name is Jack. He is thirteen years old, one year ___2___ than me. We write emails to each other ___3___ month. Jack tells me about his school life in Sydney. He goes to school ___4___ bus every day. His favourite subject is science because he wants to be a scientist ___5___ the future. Jack has a big family. He lives ___6___ his parents, two sisters and a pet dog. In his free time, he likes playing cricket and surfing. Last month, he ___7___ me some photos of his school. The buildings look very modern. I ___8___ Jack to visit China someday. I want to show him the Great Wall and the Forbidden City. I think having a pen pal is very ___9___ . It helps me learn about different cultures and improve my English ___10___ . ( ) 1．A. from B. in C. at ( ) 2．A. old B. older C. oldest ( ) 3．A. all B. every C. each ( ) 4．A. by B. on C. in ( ) 5．A. on B. at C. in ( ) 6．A. and B. with C. for ( ) 7．A. sent B. send C. sends ( ) 8．A. invited B. invite C. invites ( ) 9．A. boring B. interesting C. difficult ( ) 10．A. good B. well C. better 四、根据短文内容，选择合适的选项。 Water is very important to all living things. Without water, we cannot ___1___ . However, many people waste water every day. Last week, our class ___2___ a project about saving water. We first did some research ___3___ the Internet. We found that only about 1% of water on Earth is suitable for drinking. ___4___ , we made some posters and put them up around the school. The posters told students how to save water in daily life. For example, we should turn ___5___ the tap when brushing teeth. We should also take shorter showers ___6___ of baths. We should fix leaky taps ___7___ . Our teacher was very proud ___8___ our work. She said small actions can make a big ___9___ . I hope more people can ___10___ us and save water together. ( ) 1．A. live B. life C. living ( ) 2．A. did B. does C. doing ( ) 3．A. in B. on C. at ( ) 4．A. Then B. But C. Or ( ) 5．A. on B. off C. up ( ) 6．A. instead B. because C. although ( ) 7．A. quickly B. quick C. quicker ( ) 8．A. of B. for C. with ( ) 9．A. different B. difference C. difficult ( ) 10．A. join B. joins C. joining 五、完形填空。 Everyone has different hobbies. My hobby is ___1___ computer programs. I started learning coding when I was ten years old. At first, it was very ___2___ for me. I made many mistakes and felt frustrated. But I didn't ___3___ up. I watched online tutorials and practised every day. Gradually, I got ___4___ at it. Now I can create simple games and animations. Last month, I ___5___ part in a coding competition at school. I designed a small puzzle game. ___6___ my surprise, I won the third prize. My parents were very ___7___ of me. Coding teaches me how to think ___8___ . It also helps me solve problems step by step. I hope I can become a software engineer ___9___ the future. I will keep learning ___10___ I can create more wonderful programs. ( ) 1．A. write B. writing C. wrote ( ) 2．A. easy B. difficult C. interesting ( ) 3．A. give B. gave C. giving ( ) 4．A. good B. well C. better ( ) 5．A. take B. took C. taking ( ) 6．A. To B. For C. With ( ) 7．A. pride B. proud C. proudly ( ) 8．A. logical B. logically C. logic ( ) 9．A. on B. at C. in ( ) 10．A. so that B. because C. although 六、阅读短文，选择正确的选项补全短文。 Last Friday, our school ___1___ a basketball match between Class 5A and Class 5B. The match started ___2___ 3 o'clock in the afternoon. Many students came to watch and cheer. I was ___3___ the school team. At first, the other team scored several points. We were ___4___ behind. But our captain encouraged us not to ___5___ up. We passed the ball quickly and worked together. In the second half, I shot a three-pointer. The crowd cheered ___6___ . Finally, we won the match ___7___ 56 to 48. Everyone was very excited. Our coach said we played ___8___ . This match taught me the importance of teamwork. ___9___ we work together, we can overcome any difficulty. I hope we can win ___10___ championship next year. ( ) 1．A. held B. hold C. holding ( ) 2．A. in B. on C. at ( ) 3．A. on B. in C. at ( ) 4．A. a little B. little C. few ( ) 5．A. give B. gave C. giving ( ) 6．A. loud B. loudly C. louder ( ) 7．A. by B. with C. for ( ) 8．A. good B. well C. better ( ) 9．A. If B. Because C. Although ( ) 10．A. a B. an C. the 七、Read and choose. 阅读短文，选择正确的选项。 Two months ago, my parents gave me a lovely kitten ___1___ a birthday gift. I named ___2___ Mimi. It has soft grey fur and bright green eyes. Mimi is very playful. It likes ___3___ with a ball of wool. Every morning, it wakes me up by jumping ___4___ my bed. I feed it ___5___ times a day. Mimi's favourite food is fish. Sometimes it ___6___ very naughty. It may scratch the sofa or knock ___7___ things on the table. But I never get angry ___8___ it. Taking care of Mimi is my responsibility. I clean its litter box and brush its fur ___9___ . Mimi brings me a lot of ___10___ . I love it very much. ( ) 1．A. for B. as C. with ( ) 2．A. it B. its C. her ( ) 3．A. play B. playing C. to playing ( ) 4．A. on B. in C. onto ( ) 5．A. three B. third C. thrice ( ) 6．A. is B. are C. be ( ) 7．A. off B. out C. down ( ) 8．A. to B. with C. of ( ) 9．A. regular B. regularly C. regulation ( ) 10．A. trouble B. happiness C. sadness 八、完形填空。阅读语篇，从各小题给出的选项中选出最佳选项。 This weekend, I am going to ___1___ part in a volunteer activity. ___2___ Saturday morning, I will go to the city library with my classmates. We will help ___3___ the books on the shelves. In the afternoon, we are going to visit a children's hospital. We will bring some storybooks and toys ___4___ the sick children. We plan to tell them stories and play games ___5___ them. On Sunday, we will go to the community centre to help elderly people. We will clean their rooms and ___6___ them how to use smartphones. I think volunteer work is very ___7___ . It not only helps others ___8___ also makes me feel happy. I am really looking forward ___9___ this weekend. I hope I can do ___10___ for our society. ( ) 1．A. take B. took C. taking ( ) 2．A. In B. On C. At ( ) 3．A. put B. putting C. to put ( ) 4．A. to B. for C. with ( ) 5．A. to B. for C. with ( ) 6．A. teach B. teaches C. teaching ( ) 7．A. meaning B. meaningful C. meaningless ( ) 8．A. or B. but C. and ( ) 9．A. for B. to C. at ( ) 10．A. something B. anything C. nothing 九、选择合适的选项完成短文。 Last Sunday was my mum's birthday. My dad and I planned a surprise party ___1___ her. In the morning, we went to the bakery to order a big cake. It ___2___ a heart shape with pink roses on it. Then we went to the flower shop and bought some ___3___ carnations. In the afternoon, I invited my grandparents and some close relatives ___4___ our house. We decorated the living room ___5___ colourful balloons and banners. When my mum came back from work, we shouted "Happy Birthday!" ___6___ . She was so surprised that she almost cried. We sang the birthday song together. My mum made a wish and blew ___7___ the candles. The cake tasted very ___8___ . We took many photos to record this ___9___ moment. My mum said it was the ___10___ birthday she had ever had. ( ) 1．A. to B. for C. with ( ) 2．A. was B. is C. were ( ) 3．A. beautiful B. beautifully C. beauty ( ) 4．A. to B. for C. at ( ) 5．A. with B. by C. for ( ) 6．A. loud B. loudly C. louder ( ) 7．A. away B. out C. off ( ) 8．A. good B. well C. better ( ) 9．A. forget B. forgettable C. unforgettable ( ) 10．A. good B. better C. best 十、Read and choose.根据内容与情境，选择合适的选项。 Last month, our school organised a community service activity. We went to a nursing home ___1___ the elderly. We brought some fresh fruits and warm scarves ___2___ them. When we arrived, the old people were very glad ___3___ us. First, we helped them clean their rooms and wash their clothes. Some students ___4___ the floor while others cleaned the windows. Then we performed some programmes. Lily played the piano ___5___ . Tom performed a magic show. I ___6___ a Chinese poem for them. They clapped their hands happily. After that, we sat around and listened to their stories ___7___ the past. Time passed quickly. We had to say goodbye ___8___ them. On the way home, I felt very happy. Helping others can really bring us ___9___ . I think we should visit them ___10___ often. ( ) 1．A. help B. to help C. helping ( ) 2．A. to B. for C. with ( ) 3．A. saw B. to see C. seeing ( ) 4．A. swept B. sweep C. sweeping ( ) 5．A. beautiful B. beautifully C. beauty ( ) 6．A. recited B. recite C. reciting ( ) 7．A. about B. with C. for ( ) 8．A. to B. for C. with ( ) 9．A. sadness B. happiness C. worry ( ) 10．A. more B. much C. many 十一、完形填空。读短文，从每小题所给选项中选择唯一正确的答案补全短文，使短文意思完整通顺。 Everyone has a dream. My dream is to become an astronaut. When I was young, I ___1___ at the stars every night and wondered what was out there in space. The universe is so vast and mysterious. I want to explore it ___2___ my own eyes. To make my dream come true, I must study hard ___3___ , especially maths and physics. I also need to exercise ___4___ to keep my body strong. Astronauts need to be in excellent physical condition. Being an astronaut is not easy. It requires a lot of ___5___ and courage. They have to train for many years before going into space. But I don't mind. I think it is ___6___ amazing job. I will try my best to learn space knowledge. I believe ___7___ I can achieve my dream if I work hard. My parents support my dream. They encourage me ___8___ keep going. I know the road to success is not smooth. There will be many difficulties. But I will never ___9___ up. I hope one day I can wear a spacesuit and float ___10___ in space. ( ) 1．A. looked B. look C. looking ( ) 2．A. with B. by C. for ( ) 3．A. now B. then C. yesterday ( ) 4．A. regular B. regularly C. regulation ( ) 5．A. money B. knowledge C. time ( ) 6．A. a B. an C. the ( ) 7．A. what B. that C. which ( ) 8．A. for B. to C. of ( ) 9．A. give B. take C. put ( ) 10．A. free B. freely C. freedom 十二、完形填空。 Last weekend, my family went camping in the mountains. We got up early and packed our tent, sleeping bags, and ___1___ food. It took us about two hours to drive there. The mountain air was fresh and clean. We found a flat place ___2___ a clear stream. We set ___3___ the tent together. Then my father made a fire and cooked lunch. The food ___4___ delicious. After lunch, I went fishing with my brother. We caught several small fish. My mother took many photos ___5___ the beautiful scenery. In the evening, we sat around the campfire and ___6___ stories. We also looked at the stars in the sky. They were so bright. We stayed there ___7___ two nights. When it was time to leave, we cleaned ___8___ the campsite. We felt a little tired, but we really had a wonderful ___9___ . I love spending time ___10___ my family in nature. ( ) 1．A. much B. many C. more ( ) 2．A. under B. near C. on ( ) 3．A. up B. on C. out ( ) 4．A. is B. was C. were ( ) 5．A. to B. of C. for ( ) 6．A. told B. tell C. telling ( ) 7．A. in B. for C. at ( ) 8．A. up B. out C. away ( ) 9．A. time B. day C. meal ( ) 10．A. and B. of C. with 十三、读短文，从所给选项中选择唯一正确的答案补全短文，使短文意思完整、通顺。 Nowadays, online learning is becoming more and more popular. Many students use computers and tablets to ___1___ their lessons at home. It is very convenient because we can study ___2___ we want. However, online learning also has some problems. Some students play games ___3___ of listening to the teacher. This is a waste of time. If we spend too much time on screens, our eyes will get ___4___ . We should take breaks every 30 minutes. We should also sit ___5___ from the screen to protect our eyes. Let's use technology wisely and make online learning more effective! ( ) 1．A. have B. has C. having ( ) 2．A. whenever B. whatever C. however ( ) 3．A. instead B. because C. although ( ) 4．A. tired B. tiring C. tire ( ) 5．A. far B. farther C. far away 十四、完形填空。 Public speaking is an important skill for everyone. Last month, our school ___1___ an English speech contest. I decided to take part in it. At first, I was very nervous. I was afraid ___2___ making mistakes in front of so many people. But my teacher gave me some advice. She told me to practise ___3___ front of a mirror every day. She also suggested ___4___ I should record my speech and listen to it. I followed her advice. Gradually, I became more confident. On the day of the contest, I stood on the stage and ___5___ my speech clearly. To my surprise, I won the ___6___ prize. I think the best way to improve public speaking is to practise as ___7___ as possible. Don't be afraid ___8___ making mistakes. The more you practise, ___9___ better you will become. I will continue to work hard ___10___ my speaking skills in the future. ( ) 1．A. held B. hold C. holding ( ) 2．A. to B. of C. for ( ) 3．A. in B. on C. at ( ) 4．A. what B. that C. which ( ) 5．A. deliver B. delivered C. delivering ( ) 6．A. one B. first C. two ( ) 7．A. many B. much C. more ( ) 8．A. to B. of C. for ( ) 9．A. a B. the C. an ( ) 10．A. in B. on C. at 十五、完形填空。 Internet safety is very important for everyone, especially for students. Every day, many people get ___1___ trouble because they don't know how to use the Internet safely. As students, we should learn these rules well. First, we must not share our personal information ___2___ strangers online. This includes our real name, address, and phone number. Second, we should not meet online friends ___3___ without our parents' permission. It is very dangerous. Third, when we see something ___4___ on the Internet, we should tell our parents or teachers ___5___ . We shouldn't click on strange links or download unknown files. They may contain viruses. If everyone follows these safety rules, we will be ___6___ safer online. Our online life will be much ___7___ . Remember, safety always comes ___8___ . Let's be smart ___9___ safe users on the Internet. ( ) 1．A. in B. from C. by ( ) 2．A. to B. with C. for ( ) 3．A. in person B. in public C. in trouble ( ) 4．A. good B. bad C. well ( ) 5．A. at first B. at last C. at once ( ) 6．A. much B. more C. most ( ) 7．A. safe B. safer C. safest ( ) 8．A. one B. first C. last ( ) 9．A. and B. but C. or 十六、阅读短文，选择合适的选项。 Our school library is my favourite place. It is not very big, ___1___ it is very quiet and comfortable. There are many bookshelves ___2___ the walls. The books are arranged ___3___ different categories. There is a reading area ___4___ the centre of the library. The desks and chairs are clean and tidy. The librarian, Mrs. Chen, is very kind. She always helps us ___5___ the books we need. I often go there after school. I like reading science books ___6___ . They help me learn about the world. Sometimes I borrow books and take them ___7___ . I must return them ___8___ two weeks. Our library also has some computers. We can use them to search for information. I think everyone should make good ___9___ of the library. It is ___10___ great resource for our study. ( ) 1．A. and B. but C. or ( ) 2．A. on B. in C. against ( ) 3．A. in B. into C. by ( ) 4．A. on B. at C. in ( ) 5．A. find B. finding C. to find ( ) 6．A. much B. many C. most ( ) 7．A. to home B. home C. at home ( ) 8．A. in B. after C. within ( ) 9．A. use B. uses C. using ( ) 10．A. a B. an C. the 十七、根据短文内容信息，选择合适的选项。 China has many traditional festivals. The Spring Festival is the most important ___1___ . It usually comes ___2___ January or February. Before the festival, people clean their houses and buy new clothes. They also prepare lots of delicious food. On New Year's Eve, family members get together and have a big dinner. They eat dumplings, fish, and rice cakes. During the festival, children receive red envelopes ___3___ money from their elders. The Dragon Boat Festival is ___4___ important festival. It falls on the fifth day of the fifth lunar month. People eat zongzi and ___5___ dragon boat races. The Mid-Autumn Festival is in autumn. Families admire the full moon and eat mooncakes together. These festivals carry our traditions and ___6___ . We should pass them ___7___ from generation to generation. Different festivals bring us different ___8___ . I think every festival is special ___9___ its own way. We should enjoy and protect our traditional ___10___ . ( ) 1．A. one B. ones C. it ( ) 2．A. in B. on C. at ( ) 3．A. with B. for C. to ( ) 4．A. other B. another C. the other ( ) 5．A. watch B. look C. see ( ) 6．A. culture B. cultures C. cultural ( ) 7．A. up B. down C. on ( ) 8．A. happiness B. happy C. happily ( ) 9．A. on B. in C. at ( ) 10．A. culture B. cultures C. cultural 十八、阅读短文，补全信息。 Last week, my mother taught me how to shop online. First, we opened a shopping website ___1___ our computer. My mother wanted to buy a new pair of shoes ___2___ my father. She typed "men's sports shoes" in the search box. Many different ___3___ appeared on the screen. She read the product descriptions and customer ___4___ carefully. Then she chose a black pair. It ___5___ 299 yuan. She added it to the shopping cart. Before paying, she ___6___ a coupon to get a discount. She paid for it ___7___ her credit card. The shoes arrived two days ___8___ . My father tried them on. They fit him ___9___ . He was very satisfied. Online shopping is convenient, ___10___ we should be careful about product quality. ( ) 1．A. in B. on C. at ( ) 2．A. to B. for C. with ( ) 3．A. results B. result C. resulting ( ) 4．A. reviews B. review C. reviewing ( ) 5．A. cost B. costs C. costing ( ) 6．A. use B. used C. using ( ) 7．A. by B. with C. from ( ) 8．A. late B. later C. latter ( ) 9．A. good B. well C. better ( ) 10．A. and B. but C. or 十九、阅读短文，从A、B、C三个选项中选出合适的单词，使短文完整。 It is very important to have a healthy lifestyle. What we do every day affects our health ___1___ . Many students spend too much time sitting ___2___ front of computers or TV screens. This is not good for their health. We should exercise ___3___ every day. Running, swimming, and playing ball games are all good choices. Exercise helps us stay strong and ___4___ . It also improves our mood and helps us sleep ___5___ at night. We should not stay up too ___6___ . Enough sleep is important for our growth. We should also eat a balanced diet. We should eat ___7___ junk food and more vegetables. We should drink plenty of water. It helps our body work ___8___ . Remember, a healthy lifestyle goes ___9___ with a positive attitude. We should exercise ___10___ . Let's develop good habits from now on. ( ) 1．A. great B. greatly C. greater ( ) 2．A. in B. on C. at ( ) 3．A. regular B. regularly C. regulation ( ) 4．A. health B. healthy C. healthier ( ) 5．A. good B. well C. better ( ) 6．A. late B. later C. lately ( ) 7．A. less B. fewer C. more ( ) 8．A. good B. well C. better ( ) 9．A. hand in hand B. face to face C. step by step ( ) 10．A. regular B. regularly C. regulation 二十、阅读短文，完形填空。 When I grow up, I want to be a scientist. I have had this dream ___1___ I visited the science museum in Grade Four. The exhibitions there were so amazing ___2___ I decided to become a scientist. Scientists are very important in our society. They discover new things and solve ___3___ problems. They help us understand the world ___4___ . To become a good scientist, I need to study hard now. I must read more books to enrich my knowledge. I also need to be curious and observant. A good scientist should think ___5___ and ask questions. I think science is a meaningful field. Although scientific research may be ___6___ , it can make a big difference in people's lives. I want to work in a research institute. I like doing experiments very much. They are ___7___ of curiosity. I want to explore the mysteries of nature. I believe science is the most powerful tool to change the world. I will devote my life ___8___ science. I hope my dream will come ___9___ one day. I will work hard to make it ___10___ true. ( ) 1．A. since B. for C. when ( ) 2．A. which B. that C. what ( ) 3．A. difficult B. difficulty C. difficulties ( ) 4．A. good B. well C. better ( ) 5．A. deep B. deeply C. depth ( ) 6．A. challenge B. challenging C. challenged ( ) 7．A. full B. fill C. filled ( ) 8．A. for B. to C. with ( ) 9．A. true B. real C. right ( ) 10．A. come B. comes C. came 参考答案 一、1．B 2．A 3．A 4．B 5．B 6．A 7．C 8．B 9．A 10．C 二、1．C 2．A 3．A 4．C 5．B 6．B 7．A 8．A 9．B 10．C 三、1．A 2．B 3．B 4．A 5．C 6．B 7．A 8．A 9．B 10．B 四、1．A 2．A 3．B 4．A 5．B 6．A 7．A 8．A 9．B 10．A 五、1．B 2．B 3．A 4．C 5．B 6．A 7．B 8．B 9．C 10．A 六、1．A 2．C 3．A 4．A 5．A 6．B 7．A 8．B 9．A 10．C 七、1．B 2．A 3．B 4．A 5．A 6．A 7．A 8．B 9．B 10．B 八、1．A 2．B 3．A 4．B 5．C 6．A 7．B 8．B 9．B 10．A 九、1．B 2．A 3．A 4．A 5．A 6．B 7．B 8．A 9．C 10．C 十、1．B 2．B 3．B 4．A 5．B 6．A 7．A 8．A 9．B 10．A 十一、1．A 2．A 3．A 4．B 5．B 6．B 7．B 8．B 9．A 10．B 十二、1．A 2．B 3．A 4．B 5．B 6．A 7．B 8．A 9．A 10．C 十三、1．A 2．A 3．A 4．A 5．C 十四、1．A 2．B 3．A 4．B 5．B 6．B 7．B 8．B 9．B 10．B 十五、1．A 2．B 3．A 4．B 5．C 6．A 7．B 8．B 9．A 十六、1．B 2．C 3．B 4．C 5．A 6．C 7．B 8．C 9．A 10．A 十七、1．A 2．A 3．A 4．B 5．A 6．A 7．B 8．A 9．B 10．A 十八、1．B 2．B 3．A 4．A 5．A 6．B 7．B 8．B 9．B 10．B 十九、1．B 2．A 3．B 4．B 5．B 6．A 7．A 8．B 9．A 10．B 二十、1．A 2．B 3．A 4．C 5．B 6．B 7．A 8．B 9．A 10．A 第 1 页 共 23 页 学科网（北京）股份有限公司 $