内容正文:
编写说明:2026年四川省(高职单招)《英语45分钟训练卷》,由15份专题训练卷与5份综合训练卷组成。试卷通过具象化拆解核心考点、搭建系统知识网络、场景化训练强调知识应用,从而做到降低学习门槛、巩固知识体系、强化实战能力,全方位适配学生备考需求。
本试卷是2026年四川省(高职单招)《英语45分钟模拟卷》的第5卷,知识点包括语法知识-时态一(一般现在时、一般过去时、一般将来时)。
2026年四川省高职单招考试
《英语45分钟模拟卷》第5卷
时态一(一般现在时、一般过去时、一般将来时)
考试时间:45分钟 满分:100分
班级 姓名 学号 成绩
1、 单项填空 (共45小题;每小题2分,满分90分)
(1)一般现在时
1. My mother usually ______ breakfast for our family at 7 o’clock every morning.
A. make B. makes C. made D. will make
【答案】B
【详解】考查一般现在时主谓一致。句意:我妈妈通常每天早上 7 点为家人做早餐。usually 是一般现在时标志,主语 My mother 是第三人称单数,谓语动词用第三人称单数形式,make 的第三人称单数是 makes。故选 B。
2. The earth ______ around the sun and the moon goes around the earth.
A. go B. goes C. went D. will go
【答案】B
【详解】考查一般现在时客观真理用法。句意:地球绕着太阳转,月亮绕着地球转。客观真理用一般现在时,主语 The earth 是第三人称单数,go 的第三人称单数是 goes。故选 B。
3. —______ you often play basketball after school?
—Yes, I do. It’s my favorite sport.
A. Do B. Does C. Did D. Will
【答案】A
【详解】考查一般现在时一般疑问句。句意:—— 你放学后经常打篮球吗?—— 是的,我打。这是我最喜欢的运动。often 是一般现在时标志,主语 you 是第二人称,一般疑问句用助动词 Do 引导。故选 A。
4. He ______ TV every evening, but he ______ it last night because he was busy.
A. watch; didn’t watch B. watches; doesn’t watch
C. watches; didn’t watch D. watched; won’t watch
【答案】C
【详解】考查一般现在时和一般过去时混合。句意:他每天晚上看电视,但昨晚因为忙没看。every evening 是一般现在时标志,主语 He 是第三人称单数,第一空用 watches;last night 是一般过去时标志,否定句用 didn’t + 动词原形,第二空用 didn’t watch。故选 C。
5. Math ______ not easy for me, but I try my best to learn it well.
A. is B. are C. was D. were
【答案】A
【详解】考查一般现在时主谓一致。句意:数学对我来说不容易,但我尽力把它学好。Math 是单数名词,作主语时谓语动词用单数 is,一般现在时描述客观情况。故选 A。
6. —What does your father do?
—He ______ a teacher in a middle school in our city.
A. is B. was C. will be D. has been
【答案】A
【详解】考查一般现在时职业描述。句意:—— 你爸爸是做什么的?—— 他是我们城市一所中学的老师。询问职业用一般现在时,主语 He 是第三人称单数,用 is。故选 A。
7. They often ______ to the park on weekends to take a walk and relax themselves.
A. go B. goes C. went D. will go
【答案】A
【详解】考查一般现在时主谓一致。句意:他们周末经常去公园散步放松。often 是一般现在时标志,主语 They 是复数,谓语动词用原形 go。故选 A。
8. The shop ______ at 8:00 a.m. and ______ at 9:00 p.m. every day.
A. open; close B. opens; closes
C. opened; closed D. will open; will close
【答案】B
【详解】考查一般现在时主谓一致。句意:这家店每天早上 8 点开门,晚上 9 点关门。every day 是一般现在时标志,主语 The shop 是第三人称单数,open 和 close 的第三人称单数分别是 opens、closes。故选 B。
9. —How often ______ she go to the library?
—Once a week.
A. do B. does C. did D. will
【答案】B
【详解】考查一般现在时特殊疑问句。句意:—— 她多久去一次图书馆?—— 一周一次。How often 引导的一般现在时特殊疑问句,主语 she 是第三人称单数,用助动词 does。故选 B。
10. It often ______ in winter in the north of China, and it’s very cold there.
A. snow B. snows C. snowed D. will snow
【答案】B
【详解】考查一般现在时主谓一致。句意:中国北方冬天经常下雪,那里很冷。often 是一般现在时标志,主语 It 是第三人称单数,snow 的第三人称单数是 snows。故选 B。
11. My sister ______ English very well. She often helps me with my English study.
A. speak B. speaks C. spoke D. will speak
【答案】B
【详解】考查一般现在时主谓一致。句意:我妹妹英语说得很好,她经常帮我学英语。often 是一般现在时标志,主语 My sister 是第三人称单数,speak 的第三人称单数是 speaks。故选 B。
12.—Where ______ your parents live?
—They live in a small village near the mountain.
A. do B. does C. did D. will
【答案】A
【详解】考查一般现在时特殊疑问句。句意:—— 你父母住在哪里?—— 他们住在山附近的一个小村庄里。一般现在时特殊疑问句,主语 your parents 是复数,用助动词 do 引导。故选 A。
13. Class ______ at 8:30 a.m. We must get to school on time every day.
A. begin B. begins C. began D. will begin
【答案】B
【详解】考查一般现在时主谓一致。句意:早上 8 点半上课,我们每天必须按时到校。every day 是一般现在时标志,主语 Class 是单数,begin 的第三人称单数是 begins。故选 B。
14. She ______ not like spicy food. She never eats hot pot or chili.
A. do B. does C. did D. will
【答案】B
【详解】考查一般现在时否定句。句意:她不喜欢辛辣的食物,她从不吃火锅和辣椒。一般现在时否定句,主语 She 是第三人称单数,用助动词 does+not。故选 B。
15. Our teacher always ______ us to finish our homework on time and keep it clean.
A. ask B. asks C. asked D. will ask
【答案】B
【详解】考查一般现在时主谓一致。句意:我们的老师总是要求我们按时完成作业并保持卷面整洁。always 是一般现在时标志,主语 Our teacher 是第三人称单数,ask 的第三人称单数是 asks。故选 B。
(2)一般过去时
16. I ______ to school by bike yesterday, but today I take the bus because my bike is broken.
A. go B. goes C. went D. will go
【答案】C
【详解】考查一般过去时时间标志。句意:我昨天骑自行车上学,但今天坐公交,因为我的自行车坏了。yesterday 是一般过去时标志,go 的过去式是 went。故选 C。
17. —What did you do last weekend?
—I ______ a movie with my friends and we had a good time.
A. watch B. watches C. watched D. will watch
【答案】C
【详解】考查一般过去时特殊疑问句应答。句意:—— 你上周末做什么了?—— 我和朋友看了一场电影,我们玩得很开心。last weekend 是一般过去时标志,watch 的过去式是 watched。故选 C。
18. She ______ her keys at home this morning, so she had to call her mother for help.
A. leave B. leaves C. left D. will leave
【答案】C
【详解】考查一般过去时时间标志。句意:她今天早上把钥匙落在家里了,所以不得不给妈妈打电话求助。this morning 是一般过去时标志,leave 的过去式是 left。故选 C。
19. They ______ in Beijing last summer vacation and visited many famous places there.
A. are B. were C. will be D. are being
【答案】B
【详解】考查一般过去时主谓一致。句意:他们去年暑假在北京,参观了那里很多著名的地方。last summer vacation 是一般过去时标志,主语 They 是复数,are 的过去式是 were。故选 B。
20. —Did you finish your homework last night?
—Yes, I ______ it with my brother’s help.
A. finish B. finishes C. finished D. will finish
【答案】C
【详解】考查一般过去时一般疑问句应答。句意:—— 你昨晚完成作业了吗?—— 是的,我在哥哥的帮助下完成的。last night 是一般过去时标志,finish 的过去式是 finished。故选 C。
21. The meeting ______ at 3 o’clock yesterday afternoon and ended at 5 o’clock.
A. start B. starts C. started D. will start
【答案】C
【详解】考查一般过去时时间标志。句意:会议昨天下午 3 点开始,5 点结束。yesterday afternoon 是一般过去时标志,start 的过去式是 started。故选 C。
22. He ______ English for three years in middle school and now he can speak it a little.
A. learn B. learns C. learned D. will learn
【答案】C
【详解】考查一般过去时语境判断。句意:他在中学学了三年英语,现在能说一点了。“在中学学习” 是过去的动作,learn 的过去式是 learned。故选 C。
23. —How was your trip to Chengdu?
—It ______ great! I ate a lot of delicious food there.
A. is B. was C. will be D. has been
【答案】B
【详解】考查一般过去时特殊疑问句应答。句意:—— 你的成都之行怎么样?—— 非常棒!我在那里吃了很多美味的食物。询问过去的旅行感受用一般过去时,is 的过去式是 was。故选 B。
24. My father ______ a new car last month. It’s black and very beautiful.
A. buy B. buys C. bought D. will buy
【答案】C
【详解】考查一般过去时时间标志。句意:我爸爸上个月买了一辆新车,它是黑色的,非常漂亮。last month 是一般过去时标志,buy 的过去式是 bought。故选 C。
25. They ______ basketball on the playground yesterday afternoon when I saw them.
A. play B. plays C. played D. will play
【答案】C
【详解】考查一般过去时时间标志。句意:我昨天下午看到他们时,他们正在操场上打篮球。yesterday afternoon 是一般过去时标志,play 的过去式是 played。故选 C。
26. I ______ not go to school yesterday because I had a bad cold and stayed at home.
A. do B. does C. did D. will
【答案】C
【详解】考查一般过去时否定句。句意:我昨天没去上学,因为我重感冒了,待在家里。yesterday 是一般过去时标志,否定句用助动词 did+not。故选 C。
27. She ______ a letter to her pen pal last week and is waiting for a reply now.
A. write B. writes C. wrote D. will write
【答案】C
【详解】考查一般过去时时间标志。句意:她上周给笔友写了一封信,现在正在等回信。last week 是一般过去时标志,write 的过去式是 wrote。故选 C。
28. —What time ______ you get up this morning?
—I got up at 6:30 a.m.
A. do B. does C. will D. did
【答案】D
【详解】考查一般过去时特殊疑问句。句意:—— 你今天早上几点起床的?—— 我早上 6 点半起床的。this morning 是一般过去时标志,特殊疑问句用助动词 did 引导。故选D。
29. The old man ____ in the park every morning, but he ____ there yesterday because of the rain.
A. walk; didn’t walk B. walks; doesn’t walk
C. walks; didn’t walk D. walked; won’t walk
【答案】C
【详解】考查一般现在时和一般过去时混合。句意:这位老人每天早上在公园散步,但昨天因为下雨没去。every morning 是一般现在时标志,主语 The old man 是第三人称单数,第一空用 walks;yesterday 是一般过去时标志,否定句用 didn’t + 动词原形,第二空用 didn’t walk。故选 C。
30. We ______ an English test last Friday and most of us got good grades.
A. have B. has C. had D. will have
【答案】C
【详解】考查一般过去时时间标志。句意:我们上周五进行了英语测试,大多数人都取得了好成绩。last Friday 是一般过去时标志,have 的过去式是 had。故选 C。
(3)一般将来时
31. I ______ my grandparents this weekend. I haven’t seen them for a long time.
A. visit B. visits C. visited D. will visit
【答案】D
【详解】考查一般将来时 will 用法。句意:这个周末我要去看望祖父母,我已经很久没见他们了。this weekend 是一般将来时标志,用 will + 动词原形表示将来的计划。故选 D。
32. —What are you going to do tomorrow morning?
—I ______ to the bookstore to buy some English books.
A. go B. goes C. went D. am going
【答案】D
【详解】考查一般将来时 be going to 用法。句意:—— 你明天早上打算做什么?—— 我打算去书店买一些英语书。tomorrow morning 是一般将来时标志,be going to 表示计划、打算,主语 I 用 am going。故选 D。
33. The sports meeting ____ next month in our school. All the students are looking forward to it.
A. hold B. holds C. held D. will be held
【答案】D
【详解】考查一般将来时被动语态。句意:我们学校下个月将举行运动会,所有学生都很期待。next month 是一般将来时标志,主语 The sports meeting 和 hold 是被动关系,用一般将来时被动语态 will be held。故选 D。
34. She ______ 18 years old next year, and her parents will hold a party for her.
A. is B. was C. will be D. has been
【答案】C
【详解】考查一般将来时 will 用法。句意:她明年就 18 岁了,她的父母会为她举办一场派对。next year 是一般将来时标志,用 will+be 表示将来的状态。故选 C。
35. —______ you go to the cinema with us this evening?
—Yes, I’d love to.
A. Do B. Did C. Will D. Are
【答案】C
【详解】考查一般将来时一般疑问句。句意:—— 你今晚要和我们一起去看电影吗?—— 是的,我想去。this evening 是一般将来时标志,一般疑问句用 Will 引导。故选 C。
36. We ______ a picnic in the park if it doesn’t rain this Sunday.
A. have B. had C. will have D. are having
【答案】C
【详解】考查一般将来时条件状语从句。句意:如果这个星期天不下雨,我们就去公园野餐。if 引导的条件状语从句,主句用一般将来时 will have,从句用一般现在时。故选 C。
37. My brother ______ to learn to drive next month. He wants to get a driving license.
A. start B. starts C. started D. is going to start
【答案】D
【详解】考查一般将来时 be going to 用法。句意:我哥哥下个月打算学开车,他想考驾照。next month 是一般将来时标志,be going to 表示计划,主语 My brother 是第三人称单数,用 is going to start。故选 D。
38. —When ______ the train ______ to Chengdu?
—It will leave at 9:00 a.m. tomorrow.
A. do; leave B. does; leave C. did; leave D. will; leave
【答案】D
【详解】考查一般将来时特殊疑问句。句意:—— 去成都的火车什么时候开?—— 明天早上 9 点开。tomorrow 是一般将来时标志,特殊疑问句用 will + 主语 + 动词原形。故选 D。
39. I ______ my homework first after school, and then I will watch TV for a while.
A. finish B. finished C. will finish D. am finishing
【答案】C
【详解】考查一般将来时 will 用法。句意:放学后我会先完成作业,然后看一会儿电视。根据 then I will watch TV 可知,前半句也用一般将来时 will finish 表示将来的动作。故选 C。
40. They ______ a new house next year because their current house is too small for the family.
A. buy B. bought C. will buy D. are buying
【答案】C
【详解】考查一般将来时 will 用法。句意:他们明年要买一栋新房子,因为现在的房子对一家人来说太小了。next year 是一般将来时标志,用 will + 动词原形 buy。故选 C。
41. —What are your plans for the summer vacation?
—I ______ to Xi’an to visit the Terracotta Army.
A. go B. went C. will go D. have gone
【答案】C
【详解】考查一般将来时 will 用法。句意:—— 你的暑假计划是什么?—— 我要去西安参观兵马俑。summer vacation 是将来的时间,用 will + 动词原形 go 表示计划。故选 C。
42. The teacher ______ us a new lesson tomorrow morning. Get your textbook ready, please.
A. teach B. taught C. will teach D. is teaching
【答案】C
【详解】考查一般将来时 will 用法。句意:老师明天早上要给我们上新课,请准备好课本。tomorrow morning 是一般将来时标志,用 will + 动词原形 teach。故选 C。
43. She ______ not go out tonight because she has to finish her school project.
A. do B. did C. will D. is
【答案】C
【详解】考查一般将来时否定句。句意:她今晚不出去,因为她必须完成学校的课题。tonight 是一般将来时标志,否定句用 will+not。故选 C。
44. We ______ a party for our teacher’s birthday next Friday. Everyone is busy preparing for it.
A. have B. had C. will have D. are having
【答案】C
【详解】考查一般将来时 will 用法。句意:我们下周五要为老师的生日举办一场派对,每个人都在忙着准备。next Friday 是一般将来时标志,用 will + 动词原形 have。故选 C。
45. —Will you help me with my math problem this afternoon?
—Yes, I ______.
A. do B. did C. will D. am
【答案】C
【详解】考查一般将来时一般疑问句应答。句意:—— 你今天下午要帮我解这道数学题吗?—— 是的,我会的。Will 引导的一般将来时一般疑问句,肯定应答用 Yes, I will。故选 C。
2、 翻译 (共5小题;每小题2分,满分10分)
46. He gets up at half past six every morning and then runs in the park.
_______________________________________________________________________________
【答案】他每天早上六点半起床,然后去公园跑步。
【详解】考查一般现在时翻译。句意:他每天早上六点半起床,然后去公园跑步。gets up 是一般现在时,表经常性动作;at half past six 意为 “六点半”;runs in the park 意为 “在公园跑步”。
47. I went to the supermarket with my friends and bought a lot of fruit yesterday.
_______________________________________________________________________________
【答案】我昨天和我的朋友们去了超市,买了很多水果。
【详解】考查一般过去时翻译。句意:我昨天和我的朋友们去了超市,买了很多水果。went 和 bought 是一般过去时,表过去的连续动作;went to the supermarket 意为 “去超市”;a lot of fruit 意为 “很多水果”。
48. Our school will hold an English speech contest tomorrow.
_______________________________________________________________________________
【答案】我们学校明天将举办一场英语演讲比赛。
【详解】考查一般将来时翻译。句意:我们学校明天将举办一场英语演讲比赛。will hold 是一般将来时,表将来的动作;an English speech contest 意为 “一场英语演讲比赛”。
49. My mother cooks very well and she made my favorite beef noodles for me yesterday.
_______________________________________________________________________________
【答案】我的妈妈做饭做得很好,她昨天给我做了我最喜欢的牛肉面。
【详解】考查一般现在时 + 一般过去时翻译。句意:我的妈妈做饭做得很好,她昨天给我做了我最喜欢的牛肉面。cooks 是一般现在时,表经常性能力;made 是一般过去时,表过去的动作;beef noodles 意为 “牛肉面”。
50. I am going to borrow some books about computers from the library next week because I am very interested in computers.
_______________________________________________________________________________
【答案】我下周打算去图书馆借一些关于计算机的书,因为我对计算机非常感兴趣。
【详解】考查一般将来时 + 一般现在时翻译。句意:我下周打算去图书馆借一些关于计算机的书,因为我对计算机非常感兴趣。am going to borrow 是一般将来时,表计划;am interested in 是一般现在时,表客观状态;books about computers 意为 “关于计算机的书”。
原创精品资源学科网独家享有版权,侵权必究!
学科网(北京)股份有限公司
$
编写说明:2026年四川省(高职单招)《英语45分钟训练卷》,由15份专题训练卷与5份综合训练卷组成。试卷通过具象化拆解核心考点、搭建系统知识网络、场景化训练强调知识应用,从而做到降低学习门槛、巩固知识体系、强化实战能力,全方位适配学生备考需求。
本试卷是2026年四川省(高职单招)《英语45分钟模拟卷》的第5卷,知识点包括语法知识-时态一(一般现在时、一般过去时、一般将来时)。
2026年四川省高职单招考试
《英语45分钟模拟卷》第5卷
时态一(一般现在时、一般过去时、一般将来时)
考试时间:45分钟 满分:100分
班级 姓名 学号 成绩
1、 单项填空 (共45小题;每小题2分,满分90分)
(1)一般现在时
1. My mother usually ______ breakfast for our family at 7 o’clock every morning.
A. make B. makes C. made D. will make
2. The earth ______ around the sun and the moon goes around the earth.
A. go B. goes C. went D. will go
3. —______ you often play basketball after school?
—Yes, I do. It’s my favorite sport.
A. Do B. Does C. Did D. Will
4. He ______ TV every evening, but he ______ it last night because he was busy.
A. watch; didn’t watch B. watches; doesn’t watch
C. watches; didn’t watch D. watched; won’t watch
5. Math ______ not easy for me, but I try my best to learn it well.
A. is B. are C. was D. were
6. —What does your father do?
—He ______ a teacher in a middle school in our city.
A. is B. was C. will be D. has been
7. They often ______ to the park on weekends to take a walk and relax themselves.
A. go B. goes C. went D. will go
8. The shop ______ at 8:00 a.m. and ______ at 9:00 p.m. every day.
A. open; close B. opens; closes
C. opened; closed D. will open; will close
9. —How often ______ she go to the library?
—Once a week.
A. do B. does C. did D. will
10. It often ______ in winter in the north of China, and it’s very cold there.
A. snow B. snows C. snowed D. will snow
11. My sister ______ English very well. She often helps me with my English study.
A. speak B. speaks C. spoke D. will speak
12.—Where ______ your parents live?
—They live in a small village near the mountain.
A. do B. does C. did D. will
13. Class ______ at 8:30 a.m. We must get to school on time every day.
A. begin B. begins C. began D. will begin
14. She ______ not like spicy food. She never eats hot pot or chili.
A. do B. does C. did D. will
15. Our teacher always ______ us to finish our homework on time and keep it clean.
A. ask B. asks C. asked D. will ask
(2)一般过去时
16. I ______ to school by bike yesterday, but today I take the bus because my bike is broken.
A. go B. goes C. went D. will go
17. —What did you do last weekend?
—I ______ a movie with my friends and we had a good time.
A. watch B. watches C. watched D. will watch
18. She ______ her keys at home this morning, so she had to call her mother for help.
A. leave B. leaves C. left D. will leave
19. They ______ in Beijing last summer vacation and visited many famous places there.
A. are B. were C. will be D. are being
20. —Did you finish your homework last night?
—Yes, I ______ it with my brother’s help.
A. finish B. finishes C. finished D. will finish
21. The meeting ______ at 3 o’clock yesterday afternoon and ended at 5 o’clock.
A. start B. starts C. started D. will start
22. He ______ English for three years in middle school and now he can speak it a little.
A. learn B. learns C. learned D. will learn
23. —How was your trip to Chengdu?
—It ______ great! I ate a lot of delicious food there.
A. is B. was C. will be D. has been
24. My father ______ a new car last month. It’s black and very beautiful.
A. buy B. buys C. bought D. will buy
25. They ______ basketball on the playground yesterday afternoon when I saw them.
A. play B. plays C. played D. will play
26. I ______ not go to school yesterday because I had a bad cold and stayed at home.
A. do B. does C. did D. will
27. She ______ a letter to her pen pal last week and is waiting for a reply now.
A. write B. writes C. wrote D. will write
28. —What time ______ you get up this morning?
—I got up at 6:30 a.m.
A. do B. does C. will D. did
29. The old man ____ in the park every morning, but he ____ there yesterday because of the rain.
A. walk; didn’t walk B. walks; doesn’t walk
C. walks; didn’t walk D. walked; won’t walk
30. We ______ an English test last Friday and most of us got good grades.
A. have B. has C. had D. will have
(3)一般将来时
31. I ______ my grandparents this weekend. I haven’t seen them for a long time.
A. visit B. visits C. visited D. will visit
32. —What are you going to do tomorrow morning?
—I ______ to the bookstore to buy some English books.
A. go B. goes C. went D. am going
33. The sports meeting ____ next month in our school. All the students are looking forward to it.
A. hold B. holds C. held D. will be held
34. She ______ 18 years old next year, and her parents will hold a party for her.
A. is B. was C. will be D. has been
35. —______ you go to the cinema with us this evening?
—Yes, I’d love to.
A. Do B. Did C. Will D. Are
36. We ______ a picnic in the park if it doesn’t rain this Sunday.
A. have B. had C. will have D. are having
37. My brother ______ to learn to drive next month. He wants to get a driving license.
A. start B. starts C. started D. is going to start
38. —When ______ the train ______ to Chengdu?
—It will leave at 9:00 a.m. tomorrow.
A. do; leave B. does; leave C. did; leave D. will; leave
39. I ______ my homework first after school, and then I will watch TV for a while.
A. finish B. finished C. will finish D. am finishing
40. They ______ a new house next year because their current house is too small for the family.
A. buy B. bought C. will buy D. are buying
41. —What are your plans for the summer vacation?
—I ______ to Xi’an to visit the Terracotta Army.
A. go B. went C. will go D. have gone
42. The teacher ______ us a new lesson tomorrow morning. Get your textbook ready, please.
A. teach B. taught C. will teach D. is teaching
43. She ______ not go out tonight because she has to finish her school project.
A. do B. did C. will D. is
44. We ______ a party for our teacher’s birthday next Friday. Everyone is busy preparing for it.
A. have B. had C. will have D. are having
45. —Will you help me with my math problem this afternoon?
—Yes, I ______.
A. do B. did C. will D. am
2、 翻译 (共5小题;每小题2分,满分10分)
46. He gets up at half past six every morning and then runs in the park.
_______________________________________________________________________________
47. I went to the supermarket with my friends and bought a lot of fruit yesterday.
_______________________________________________________________________________
48. Our school will hold an English speech contest tomorrow.
_______________________________________________________________________________
49. My mother cooks very well and she made my favorite beef noodles for me yesterday.
_______________________________________________________________________________
50. I am going to borrow some books about computers from the library next week because I am very interested in computers.
_______________________________________________________________________________
原创精品资源学科网独家享有版权,侵权必究!
学科网(北京)股份有限公司
$