石家庄二中 高一年级分班英语试卷及答案
石家庄二中南校区高一年级
英语试题
注意事项： 1. 本试卷分卷I 、卷II两部分。卷I为选择题，卷II为非选择题。
本试卷满分共100分，考试时间90分钟。
2. 答卷I前，考生务必将自己的姓名，准考证号，科目填涂在答题卡上，
考试结束，监考人员将试卷和答题卡一并收回。
3. 每题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑，答在
试卷上无效。
第I卷( 选择题；共65分)
I. 单项选择（共20小题，每小题1分，计20分）
( )1. I wrote him a letter to show my ________ of his kindness.
A. achievement
B. agreement
C. attention
D. appreciation
( )2. ---Mum, it’s so hot and we are very thirsty.
---Here’s the money, boys. Go and buy ________ some cold juice.
A. themselves
B. myself
C. yourself
D. yourselves
( )3. When he got home, he found some pages in the book ________.
A. missed
B. missing
C. was missing
D. disappearing
( )4. ________ the trees are burnt in the big fire.
A. Six thousands
B. Six thousands of
C. Six thousand of
D. Six thousand
( )5. Wang Lin is reading a book. If he reads eighty pages a day, he will spend five days to finish it. In fact, it takes him four days to finish it. Can you tell how many more
pages he reads than he planned a day?
A. Four pages
B. One hundred pages.
C. Twenty pages.
D. Twenty-five pages ( )6. The man whose songs we are fond of ________ in our city next week.
A. singing
B. to sing
C. will sing
D. sang
( )7. Is this farm ________ you visited last summer with the foreign friends?
A. that
B. on which
C. the one
D. the one which
( )8. ---I’ve taken someone else’s white sweater by mistake.
---It ________ Michael’s. He always wears white.
A. has to be
B. will be
C. can’t be
D. could be
( )9. ________ what the six blind men said sounded!
A. How foolishly
B. How foolish
C. What foolish
D. What foolishly
( )10. ---You haven’t been to Beijing, have you?
---________ . And how I wish to go there again.
A. Yes, I have
B. Yes, I haven’t
C. No, I have
D. No, I haven’t ( )11. --- Could you give us a little bit of help?
--- ________.
A. A pleasure
B. My pleasure
C. With pleasure
D. Why not ( )12. ---Have you met your classmates?
---No, we didn’t know how to find them because they didn’t tell us ________ .
A which room did they live
B which room they lived
C which room they lived in
D which room did they live in
( )13. ---How tidy the newspapers are!
---I have one each day, then I read it and ________ it ________ here.
A put; out
B put; down
C put; away
D put; off
( )14. If you don’t go to his birthday party next Friday,________ .
A. so do I
B. so will I
C. neither do I
D. neither will I
( )15. Jenny ________ a rich man. She has ________him for 5 years.
A. married; been married to
B. married with; been married with
C married to; been married to
D married; married
( )16. Nobody except Lily and Linda ________ the man with a pair of glasses.
A. know
B. is knowing
C. have known
D. knows
( )17. Now the traffic in our city is becoming________ than before.
A more heavier
B much heavier
C much heavily
D very heavier ( )18. ---Come in, please. Make yourself at home.
---________
---I’m glad you like it.
A. Thanks. You have a nice place here.
B. Oh, this picture is so beautiful.
C. Thanks. What nice food you’ve prepared！
D. OK. Let me look around your new house.
( )19. Lam ________ Taiwanese singer Jay Chou because they both write their own songs and are developing R&B style.
A. often compares to
B. is often compared to
C. often compared to
D. often is compared to
( )20. ---I don’t know ________ . When he ________ , I will phone you.
---Thanks a lot .
A. when will he come back, comes back
B. when is he coming back, will come back
C. when he comes back, is coming back
D. when he is coming back, comes back
II. 完形填空（共15小题，每小题1分，计15分）
阅读下面短文，掌握其大意，然后从A、B、C、D四个选项中选择最佳答案。
Zheng He was born in 1371. He was a great Ming dynasty explorer 21 led seven ocean journeys from 1405 to 1433 . He visited more than 30 countries and areas 22 . His last ocean journey was more than half a century 23 than Columbus’first journey to America. Compasses 24 help Zheng He on the way .
Compass was one of the greatest 25 . It was a great gift to the world 26 ancient China . Before it was invented, sailors had to depend on the stars 27 the right direction. After the compass 28 , the oceans were open to sail, and many discoveries
29 the people all over the world.
30 three great inventions were gunpowder, paper-making and printing. The method of making gunpowder was brought to western countries in the late 31 century. Cai Lun developed paper-making in the Eastern Han dynasty. China was the first country in the world to make 32 . It was developed in the Song dynasty by Bi Sheng. 33 this technology spread(传播) to other countries .
China's four great ancient inventions made contributions to the 34 economy and the culture of mankind. They were also important 35 China's role as a great world civilization.
( )21. A. which B. who C. whose D. whom ( )22. A. since 600 years ago B. 600 years before C. in 600 years D.600 years ago ( )23. A. earlier B. earliest C. early D. the earlier ( )24. A. were used by B. were used for C. were used to D. used to ( )25. A. inventes B. inventer C. invention D. inventions ( )26. A. in B. of C. from D. by
( )27. A. finding B. to find C. find D. found ( )28. A. used widely B. widely used C. was widely used D. were widely used ( )29. A. were made by B. were made of C. were made in D. were made from ( )30. A. Other B. The other C. Others D. Another
( )31. A. fourteen B. fourteenth C. forteen D. forteenth ( )32. A. printing B. printer C. print D. to print ( )33. A. Late B. Latter C. Latest D. Later ( )34. A. world B. worlds C. worlds’ D. world’s ( )35. A. symbols of B. products of C. steps of D. inventions of III. 阅读理解（共15小题，每小题2分，计30分）
阅读A、B、C三篇材料，然后从各小题所给出的4个选项中选择最佳的一个答案。
(A)
Very hot weather is common in many parts of the world. Although hot weather just makes most people hot, it can cause medical problems and death.
Floods, storms and other terrible natural events kill thousands
of people every year. And we hear much about them in news
reports. We generally hear little about heat, which experts say
may be nature's most dangerous killer.
Health experts say that since the year 1900, very hot weather has killed more people in the United States than any other natural event. One year — the unusually hot summer of 1980 heat caused about 1, 700 deaths in the United States. In 1995, more than 600 people died in another heat wave in one city — Chicago, Illinois.
Besides drinking lots of cool water, doctors say there are some other things to do to protect against the health dangers of heat. Stay out of the sun, if possible. Wear loose(宽松的) and light-colored clothes. Wear a hat while in the sun. Eat fewer hot and heavy foods. And, when possible, cook foods during cooler time of the day . If possible, rest more often.
Health experts say these simple steps can prevent(阻止) the dangerous health problems caused by heat. They will prevent sickness, help you feel better and may even save your life. ( )36. Hot weather is common .
A. all over the world
B. in many parts of the United States
C. in many parts of the world
D. in a few parts of the world
( )37. Experts say maybe is nature's most dangerous killer.
A. heat
B. a flood
C. a storm
D. an earthquake
( )38. About 1700 people died of heat in the US ________.
A. in 1900
B. in 1980
C. in 1995
D. in l980 and 1995 ( )39. According to the passage, there are ________ steps which are mentioned to stop the dangerous health problems caused by heat.
A. 6
B. 7
C. 8
D. 9
( )40. The passage is talking about .
A. all kinds of terrible natural events in the world
B. some health problems caused by hot weather
C. how to prevent health problems
D. the health problems in hot weather and the ways to stop them
( )41. If you want to buy a camera, you can go to .
A. the corner of Main Street
B. East Street
C. Fort Street Mall
D. First Street
( )42. If a typewriter is $200 originally (原始地) at Apple, but you can only pay for it now.
A.$60
B. $160
C.$140
D. $40
( )43. You can go to Jackson’s to buy .
A. radios
B. calculators
C. telephones
D. swimwear ( )44. Mr. Green is going back home after work at 7:10 p.m., he may choose some __________ from these shops.
A. briefcases and rings
B. pens and paper
C. telephones and earrings
D. watches and computers
( )45. Our school needs sofas and something for teachers to make notes, we should go to .
A. Jackson’s and Smile’s
B. Smile’s and Apple
C. Apple and Jackson’s
D. Smile’s or Jackson’s
(C)
It was fifteen past nine when Marie hurried into the office building where she was going to work. Her bus had inched along through heavy morning traffic, making her a few minutes late for her very first job. She decided to start out half an hour earlier the next day. Once inside the hall, she had to stand at the elevators and wait several minutes before she could get on one going to the sixth floor. When she finally reached the office marked “Smith Enterprises（公
司）”, she knocked at the door nervously and waited. There was no reply. She tapped（敲）on the door again, but still there was no answer. From inside the next office, she could hear the sound of voices，so she opened the door and went in. Although she was sure it was the same office she had been in two weeks before when she had the interview with Mr. Smith, it looked quite different now. In fact，it hardly looked like an office at all. The employees(雇员) were just standing around chatting and smoking. In the front of the room, somebody must have just told a good joke，she thought，because there was a loud burst(声) of laughter as she came in. For a moment she had thought they were laughing at her.
Then one of the men looked at his watch，clapped his hands and said something to the others. Quickly they all went to their desks and，in a few seconds, everyone was hard at work. No one paid any attention to Marie. Finally she went up to the man who was sitting at the desk nearest to the door and explained that this was her first day in the office. Hardly looking up from his work，he told her to have a seat and wait for Mr. Smith, who would arrive at any moment. Then the day’s work in the office began just before Mr. Smith arrived. Later she found out that he lived in Connecticut and came into Manhattan on the same train every morning，arriving in the office at 9:35，so that his staff（职员）knew exactly when to start working. ( )46. Marie felt nervous when she knocked at the door because______.
A .it was her first day in a new job
B. she was a little bit late for work
C. she was afraid that she had gone to the wrong place
D. there was no answer from inside the office
( )47. Marie could hardly recognize the office she went into as______.
A. she had been there only once
B. Mr. Smith was not in the office
C. nobody was doing any work
D. the office had a new appearance（外观）
( )48. The people in the office suddenly started working because______.
A. they saw a stranger in the office
B. their morning break was ended
C. no one wanted to talk to Marie
D. the boss was about to arrive
( )49. We can know from the text that the employees of the enterprise ______.
A. would start their work by listening to a joke
B. were cold to newcomers
C. were always on time for work
D. lacked devotion (奉献精神) to the company
( )50. The best title for this text would be______.
A. To Be On Time Like A Clock
B. A Cold Welcome
C. An Unpunctual (不准时) Manager
D. Better Late Than Never
第Ⅱ卷 ( 非选择题；共35分 )
考生注意： 1、本卷共2页。满分35分。
2、答题前将密封线左侧的项目填写清楚。
3、答案须用蓝色、黑色钢笔或圆珠笔书写。
IV. 任务型阅读（共5小题，每小题2分，计10 分）
阅读下面短文，并按要求完成（51~~55）小题。
Across the country, young students are resting at home on their summer vacations. TVs are on all day, and neighborhoods are full of children riding bikes, playing football, baseball, or swimming at the pool. For two or three months students forget all of the stress and worries they have at school.
During the summer vacation parents and children can discuss plans and dreams, not only for what the child wishes or needs to do better the next school year, but also about his or her future. They can do all activities, such as taking an interest in science, or helping them become better athletes, etc.
Often, children don’t know what they really want to do because no one has ever given them more than one choice. Playing computer games, chatting online or playing the part of the couch potato may not be something the child wants, but the child often does. So, parents should find better ways for children to spend their vacations.
It may be difficult for parents to do this, but they should know children can do a lot to enjoy their free time. If parents and children make sure that the summer vacation is fun, when the children return to school they will be wiser, and stronger than the year before. Also, returning to school should be more exciting because they will be happy to tell their classmates and friends what they did.
任务一:根据所给的英语解释,从文章中找出相应的单词或短语.
51. not remember ___________ 52. get back __________
任务二:用短文中出现的单词或短语完成下列句子.
53. My husband doesn’t want to go shopping with me, because the shops are ____________ people.
54. He is interested in science. That is to say(也就是说), he _______ an ________ in science. 任务三：将划线句子译为汉语。
55．_____________________________________________
V. 词语运用（共5小题，每小题2分，计10分）
根据下列句子的意思及所给的中文提示、英文提示或英文首字母，写出空缺处单词、短语或固定搭配的正确形式.
56. We celebrated her ____________________(四十九岁)birthday in Golden Hans restaurant
yesterday.
57.China has the l____________________ population in the world.
58. We ____________________ (躺)on the beach all day yesterday to enjoy sunshine.
59. Please speak a little clearer to make yourself ____________________（理解）.
60. Time should ____________________(好好利用)to learn our lessons well.
VI. 基础写作( 包括AB两部分。A连词成句5分; B书面表达10分, 共计15分)
A) 连词成句（共5小题，每小题1分，计5分）
根据所给的单词或词组，完成句子。要求符合语法，语言通顺，大小写及标点正确。61. to, man, car, the, had, down, rushed, help, over, they, whose, broken
_____________________________________________________________________ .
62. like, help, road, can, me, get, a, person, without, across, the, blind, not
_____________________________________________________________________ .
63. of, the, wall, classroom, is, your, on, what, front
_____________________________________________________________________ ?
64. the, is, English, of, language, none, countries, first, these, in
_____________________________________________________________________ .
65. here, teeth, many, have, I, and, to get, how, fixed, my, wonder, false, come, times, I
_____________________________________________________________________ .
B) 书面表达(共计1 0分)
你的外籍教师Richard想了解一下你的同学假期旅游的方式。假如你是李华，请以“ The way I choose to travel ”为题，写一篇英语短文，向Richard介绍自己假期旅游的方式。
提示：(1)Which way do you prefer? 参加旅行社旅游（join package tours）;自己独立行动（travel on one’s own）
(2) Why do you prefer to choose this way?
要求：(1)短文须包括所有提示内容，并围绕你所选择的某种方式，写出二至三个理由，可适当发挥。
(2)文中不得出现真实的人名、校名和地名。词数：80左右。（开头已给出，不计入总词数）
The way I choose to travel
I’m Li Hua.______________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________
石家庄二中南校区2010高一年级英语试题答题卡
第Ⅱ卷( 非选择题；共35分) 分数
IV. 任务型阅读（共5小题，每小题2分，计10 分）
51. _____________________________ 52. ______________________________
53. _____________ _____________ 54. ______________，______________
55. _______________________________________________________________
V. 词语运用（共5小题，每小题2分，计10分）
56. _____________________________ 57. ______________________________
58. _____________________________ 59. ______________________________
60. _____________________________
VI．基础写作( 包括AB两部分。A连词成句5分; B书面表达10分, 共计15分)
A) 连词成句（共5小题，每小题1分，计5分）
61.____________________________________________________________________.
62.____________________________________________________________________.
63.____________________________________________________________________?
64.____________________________________________________________________.
65.____________________________________________________________________.
B) 书面表达(共计1 0分)
The way I choose to travel
I’m Li Hua._____________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________
石家庄二中南校区2010高一年级分班英语试题参考答案
I. 单项选择（共20小题，计20分）
1-5. DDBCC 6-10. CCDBA 11-15. CCCDA 16-20.DBABD II. 完形填空（共15小题，计15分）
21-25. BDACD 26-30. CBCAB 31-35. BADDA
III. 阅读理解（共15小题，每题2分，计30分）
36-40. CABBD 41-45. CBDAC 46-50. BDDDA
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
IV.任务型阅读（共5小题，每小题2分，计10 分）
51. forget
52. return
53. full of
54. takes /has, interest
55. 孩子们常常不知道他们真正想做什么，因为没有人曾给过他们不止一次(更多)
的选择。
V. 词语运用（共5小题，每小题2分，计10分）
56. forty-ninth
57. largest
58. lay
59. understood
60. be made good use of
VI. 基础写作( 包括AB两部分。A连词成句5分; B书面表达10分, 共计15分)
A) 连词成句（共5小题，每小题1分，计5分）
61. They rushed over to help the man whose car had broken down.
62. A blind person like me can not get across the road without help.
63. What's on the front wall of your classroom？
64. English is the first language in none of these countries.
65. I wonder how many times I have to come here and get my false teeth fixed.
B)书面表达。(书面表达10分)
The way I choose to travel
I’m Li Hua. I prefer travelling on my own to joining packages. I have several reasons for that.
First, it costs much less money, because I am a student, I should save as much money as I could. Second, it makes me feel free. Travelling on my own, I’m my own boss. I can decide when to start and where to stay a little long er. Third, it’s pretty exciting to travel on my own. So I prefer travelling on my own. It’s really a good choice.
北京二中分班考试数学真题-精选
二中分校高一分班数学试题 一、选择题（每小题3分，共10各小题，共30分） 1、如图，线段AB 、CD 相交于E 点，AD//EF//BC ，若AE:EB=1:2，ADE S V =1，则AEF S V 等于（ ） A. 4 B. 23 C. 2 D. 43 2、如图所示，AB 为O e 的一条固定直径，它把O e 分成上、下两个半圆，自上半圆上一点C 做弦CD ⊥AB ，OCD ∠的平分线交O e 于点P ，当点C 在上半圆（不包括A 、B 两点）上移动时，点P （ ） A.位置不变 B. 等分?BD C.到CD 的距离保持不变 D. 随点C 的移动而移动 3、已知二次函数y=ax 2 +bx+c （0a ≠）的图象如图所示，下列结论：①b＜0；②4a+2b+c＜ 0；③a﹣b+c ＞0； ④（a+c ）2 ＜b 2 ．其中正确的结论是（ ） A. ①② B. ①③ C.①③④ D. ①②③④ 4、已知点P 是O e 内一点，O e 的半径为5,OP=3，在过点P 的所有O e 的弦中，弦长为整数的弦的条数为（ ） A. 3 B. 4 C. 5 D. 无数条
5、如图，已知ABC ?中，BC=8，BC 边上的高h=4，D 为BC 上一点，做EF//BC ，交AB 于E （点E 不与点A 、B 重合），交AC 于点F 。设E 到BC 的距离为x ,则DEF ?的面积y 关于x 的函数的图像大致为（ ） 6、一次函数()y ax b a 0=+≠、二次函数2y ax bx =+和反比例函数()k y k 0x = ≠在同一直角坐标系中图象如图，A 点的坐标为（－2，0）。则下列结论中，正确的（ ） A ．a k 0>> B ．a b k =+ C ．a b 0>> D ．b 2a k =+ 7、在矩形ABCD 中，AB=6，BC=4，有一个半径为1的硬币与边AB 、AD 相切，硬币从如图所示的位置开始，在矩形内沿着边AB 、BC 、CD 、DA 滚动到开始的位置为止，硬币自身滚动的圈数大约是（ ） A. 1圈 B. 2圈 C. 3圈 D. 4圈 8、如图，在正方形ABCD 中，点P 是AB 上一动点（不与A 、B 重合），对角线AC 、BD 相交于点O ，过点P 分别作AC 、BD 的垂线，分别交AC 、BD 于点E 、F ，交AD 、BC 于点M 、N 。下列
石家庄二中英语高一分班试题及答案-2
石家庄二中英语高一分班试题及答案-2
------------- 河北省实验中学综合素质考察 英语 注意事项：1.本试卷分卷I、卷II两部分。卷I 为选择题，卷II为非选择题。 本试卷满分共100分，考试时间90分钟。 2. 答卷I前，考生务必将自己的 姓名，准考证号，科目填涂在 答题卡上，考试结束，监考人 员将试卷和答题卡一并收回。 3. 每题选出答案后，用2B铅笔把 答题卡上对应题目的答案标号 涂黑，答在试卷上无效。 第I卷（选择题；共75分） I.单项选择（共20小题，计20分） （）1. Is this the big buildi ng ______ the foreig ners visited with our headmaster last year? B. where A. that 2
C. in which D. the one f 2_________ of the students in our school about 8,000, of them f rom the other cities. A. A numbei; is, second fifths, are The number, are, two fifth, is C. A number are? two fifths, is D,The number, is, two fifths, are The weather in summer here is like ______ in _______ China. A. this, south B. these, Southern C* that, southern D. those, South ( )4. Only then _______ that he had lost an opportunity ______ his great dreams. A. he realized, to achieving B. he had realized, to achieve C. had he realized, of achieving D> did he realize, for achieving 3
初一分班考试试卷及答案
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河北省石家庄市第二中学2021年高三12月月考理综物理试题
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2020-2021学年河北省石家庄市第二中学高二寒假学科总结体验(期末考试)化学试题 (解析版)
石家庄市第二中学2020-2021学年高二寒假学科总结体验 （期末考试）化学试题 可能用到的相对原子质量H-1 C-12 O-16 N-14 Na—23Ag-108 一、单项选择题(24 个小题，每小题2 分，共48 分) 1.下列说法正确的是( ) ①1-丁烯的键线式：②乙醚的分子式：C2H6O ③丙酸甲酯的实验式：C2H4O ④四氯化碳分子的电子式：⑤顺—2—丁烯的结构简式： A.①③④B．②③⑤C．①③⑤D．①②④ 2.煤是重要的能源和化工原料，直接燃烧既浪费资源又污染环境。最近，某企业利用“煤粉加压汽化制备合成气新技术”，让煤变成合成气(一氧化碳及氢气总含量≥90%)，把煤“吃干榨尽”。下列有关说法正确的是( ) ①煤粉加压汽化制备合成气过程涉及化学变化但没有物理变化；②煤中含有苯、甲苯等芳香烃可以用分馏的方法把它们分离出来；③该技术实现了煤的高效利用；④煤等化石燃料燃烧时放出的能量均来源于太阳能 A．①③B．②④C．①④D．③④ 3．下列有机物命名正确的是( ) A．1，2，5﹣三甲苯 B．2﹣甲基﹣2﹣乙基﹣3﹣丁炔 C．按照有机物系统命名法，化合物的名称是2，3，5，5?四甲基?4?乙基己烷 D．2﹣乙基﹣1，3﹣丁二烯 4.下列有关实验装置及用途叙述完全正确的是 A．a 装置检验消去产物B．b 装置检验酸性：盐酸＞碳酸＞苯酚 C．c 装置用于实验室制取并收集乙烯D．d 装置用于实验室制硝基苯 5.wg 下列物质在足量的氧气中完全燃烧后，生成的产物全部通入足量的过氧化钠固体粉末中，充分反应后固体增重mg，若w＜m，则下列组合一定是( )
①氢气和甲醛②一氧化碳和甲醛③甲烷和乙二酸④甲烷和一氧化碳⑤甲烷和乙醇⑥乙醇和氢气 A．④⑤⑥B．①②③C．③④⑤⑥D．①②④⑤ 6.科学家提出由WO 3 催化乙烯和2-丁烯合成丙烯的 反应历程如图（所有碳原子满足最外层八电子结构）。 下列说法不正确的是 A.乙烯、丙烯和2-丁烯互为同系物 B.乙烯、丙烯和2-丁烯的沸点依次升高 C.Ⅲ→Ⅳ中加入的2-丁烯具有反式结构 D.碳、钨（W）原子间的化学键在Ⅲ→Ⅳ→Ⅰ的过程 中未发生断裂 7.某有机物分子中含n1 个—CH2—，n2 个，n3 个—OH，其余为甲基。则甲基的个数为( ) A．n1+n2+n3 B．2n2+2n1－n3 C．n2+2－n3 D．2n1+n2+2－n3 8．下列实验设计正确的是 A.用乙醇萃取碘水中的碘 B.用氢氧化钠溶液除去乙酸乙酯中的乙酸 C.向乙醇和乙酸中分别加入钠，比较其官能团的活泼性 D.向蔗糖和稀硫酸共热后的溶液中加入少量银氨溶液，检验生成的葡萄糖9．3，3— Divinyl—1，4—pentadiene 的结构简式如图所示，下列关于该有机物的说法不．正．确．的是( ) A．能使酸性KMnO4 溶液褪色B．与互为同分异构体 C．1mol 该有机物最多可与4molH2 加成D．分子中所有碳原子可以处于同一平面 10.某炔烃与足量的H2 加成后的产物是，则有关原炔烃说法不正确的是( ) A．原炔烃一定是单炔烃 B.原来的炔烃的同分异构体可以是 C.原炔烃的炔烃类同分异构体共有7 种（包含该炔烃本身） D.原来的炔烃一定是 11.现用下列物质①甲烷、②丙烷、③乙烯、④乙炔、⑤苯进行燃烧实验，有关说法不正确的是( ) A．等质量燃烧①、③、⑤时，耗氧量由多到少的顺序是①＞③＞⑤ B．等物质的量燃烧②、③、⑤时，耗氧量由多到少的顺序是⑤＞②＞③ C．a mL①、②、③三种气态烃的混合物与足量的氧气点燃充分反应后，恢复到原来的状况(常温、常压下)，体积可以缩小2a mL