管理英语2试题答案
管理英语2参考答案
管理英语2参考答案一、选择题（每题2分，共20分）1. A. 根据题目分析，选项A是正确答案。
2. C. 根据上下文的语境，选项C是最佳选择。
3. B. 此题考查词汇的辨析，选项B与题意相符。
4. D. 根据语法规则，选项D为正确答案。
5. A. 根据句意，选项A是正确选项。
6. C. 此题考查固定搭配，选项C符合句意。
7. B. 根据时态的用法，选项B是正确答案。
8. D. 此题考查非谓语动词，选项D为正确选项。
9. A. 根据句意，选项A是正确答案。
10. C. 此题考查连词的用法，选项C符合句意。
二、填空题（每题1分，共10分）11. management 根据题干中的“管理”一词，填入名词形式。
12. strategic 根据题干中的“战略性”一词，填入形容词形式。
13. efficiency 根据题干中的“效率”一词，填入名词形式。
14. objectives 根据题干中的“目标”一词，填入复数形式。
15. communication 根据题干中的“沟通”一词，填入名词形式。
16. innovation 根据题干中的“创新”一词，填入名词形式。
17. competitive 根据题干中的“竞争力”一词，填入形容词形式。
18. resources 根据题干中的“资源”一词，填入复数形式。
19. collaboration 根据题干中的“合作”一词，填入名词形式。
20. performance 根据题干中的“表现”一词，填入名词形式。
三、阅读理解（每题3分，共30分）21. B. 根据文章第一段的描述，选项B是正确答案。
22. D. 文章第二段提到了相关概念，选项D与文章内容相符。
23. C. 第三段中提到了相关策略，选项C是正确答案。
24. A. 第四段中提到了管理的基本原则，选项A与文章内容一致。
25. B. 第五段中提到了管理的实践，选项B是正确答案。
26. D. 根据文章最后一段的总结，选项D是正确答案。
3938国开电大专科《管理英语2》历年期末考试题库试题及答案
3938国开电大专科《管理英语2》历年期末考试题库试题及答案一、交际用语(每小题2分，共10分) 1-5题：选择正确的语句完成下列对话，并将答案序号写在答题纸上。
1.-Would you mind filling the questionnaire for me? -_______________ A.No problem. B.Sorry，I can＇t go there. C.I really appreciate that. [答案]A2.-Can you stay here longer? -_______，but I have to be back tomorrow. A.I＇d love to B.No，thank you C.I＇m afraid not [答案]A3.-Our company is doing a customer service questionnaire.May I take you a moment? -_______________ A.It doesn＇t matter. B.By all means. C.I have no idea. [答案]B4.-I am sorry.Now what were we talking about? -_______________ A.Never mind. B.That＇s OK. C.You were saying that you used to be a teacher. [答案]C5.Hello， is that service center?The elevator of our apartment doesn＇t work. -_______________ A.Oh，I don＇t know what＇s wrong with it. B.Sorry，I＇ll have it checked out at once. C.OK，I see.Thank you. [答案]B 二、词汇与结构(共计30分，每小题2分) 6-20题：阅读下面的句子，从A、B、C三个选项中选出一个能填入空白处的正确选项，并将答案序号写在答题纸上。
国家开放大学专科《管理英语2》一平台机考真题及答案(第二套)
国家开放大学专科《管理英语2》一平台机考真题及答案第二套说明：整理于2024年8月22日；适用于国家开放大学专科学员一平台期末机考考试；前5个题相同则整套相同。
第一部分,试题原题第_大题、交际用语（单选题）本大题共包含5小题，每小题2分，共计10分。
阅读对话，从A、B、C三个选项中选择一个能填入空白处的最佳选项。
1.-Have a nice holiday,Ted.A.Y es,you're rightB.Thafs all rightC.Thank you,and you too2.-May I do some sports after finishing my home work.■It's good fbr your health.A.Sorry,you can'tB.Of course.C.Y esJ'd love to.3.-What do you think of your mother's advice?A.I t doesn't fit us,actuallyB.N o,I don't believe itC.I don't believe in her4.-Here you are,Sir.A.Y es,rm here.B.Y es,here we are.C.Thank you very much5.-Can I ask you a few questions?A.W hat do you do?B.It's a good ideaC.Certainly第二大题、词汇与结构（单选题）本大题共包含15小题，每小题2分，共计30分。
阅读句子，从A、B、C三个选项中选择一个能填入空白处的最佳选项。
1-What should I do if I had a million dollars?-If I you,I would give it to medical research.A. amB.w ill beC.w ere2.My watch has been losing time fbr the past probably needs.week.ltA. cleaningB.t o cleanC.cleaned3.he studies hard,he will never pass the exam.A.U nlessB.I fC.U ntil4.exciting the football game was!Many people watched yesterday.A.W hat aB.W hat anC.H ow5.W ow,there are so many fruits in the supermarket.!can not decide first.A.w hat to chooseB.w hen to chooseC.h ow to choose6.-Iris did a great job in you school this semester,right?-Certainly.She is than any other student in my class.A.m ost hard-workingB.m ore hard-workingC.t he most hard-working7.They have disagreement the plan of celebrating the founding of the community.A. onB.inC./s.They have learned about in recent years.A.several hundreds English wordsB.h undreds of English wordsC.h undred of English words9.W e should take the degree account when we recruit a new secretary.A.w ithB.intoC.of10.HOW many players does a baseball team?A.consist ofB.b e responsible fbrC.set out11.D o you think Tommy is the truth?A.sayingB.speakingC.t elling12.A secretary must be skilled in office software wor d p rocessing.A.r egardless ofB.in terms ofC.such as13.Relationships and friendships can gangs.A.r esults fromB.lead toC.arrive at14.1f you want to chec k what a word means,you can check in a dictionary.A.w idelyB.exactlyC.g raduallyis.Our workers have been checking the heating system since you called us.I y ou it will perform well soon.A.argueB.affectC.assure第三大题,阅读理解（单选题）（本大题共包含5小题，每小题4分，共计20分。
《管理英语(2)》形成性考核册参考答案
《管理英语（ 2）》形成性考核册参考答案作业 1一、交际用语（共计10 分，每小题 2 分）1-5 题：选择正确的语句完成下列对话，并将答案序号写在题前括号内。
1. - I was worried about my math, but Mr. White gave me an A.- .A. That ’s an easy course.B. Congratulations!C. Mr. White is very good.2. - Hi, Helen, I ’ll have an interview tomorrow. I ’m afraid I can ’t make it. - .A. Sure, you can. Take it easy.B. I ’m sorry to hear that.C. That ’s all right.3.一 Should I leave earlier tomorrow morning?- .A. Yes, it ’s better to leave earlier to avoid the morning traffic.B. Yes,you will.C. No,you won’t.4.一 How do you think of the theme of our event?- .A. It ’s pretty good.B. I feel so sorry about that.C. I ’d like to have some tea.5. - .一 It will be held on the 3rd floor of Shakiraton Hotel.A. When will you give a speech?B. Does your speech still go on?C. What is the address of your speech?二、词汇与结构（共计 30 分，每小题 2 分）6-20 题：阅读下面的句子，从A,B 、C 三个选项中选出一个能填入空白处的正确选项，并将答案序号写在题前括号内。
管理学英语2试题及答案
管理学英语2试题及答案一、选择题（每题1分，共10分）1. Which of the following is not a characteristic of a successful manager?A. Effective communication skillsB. Strong leadership qualitiesC. Inability to delegate tasksD. Ability to motivate a team2. The term "SWOT analysis" stands for:A. Strengths, Weaknesses, Opportunities, ThreatsB. Strategic, Weaknesses, Opportunities, TacticsC. Situational, Weaknesses, Opportunities, TacticsD. Specific, Weaknesses, Opportunities, Threats3. In a business context, "B2B" refers to:A. Business to BusinessB. Business to ConsumerC. Business to GovernmentD. Business to Society4. The process of setting goals and making plans to achieve them is known as:A. Strategic planningB. Operational planningC. Financial planningD. Human resource planning5. A company's "mission statement" typically includes:A. The company's long-term financial goalsB. The company's purpose and core valuesC. The company's market share targetsD. The company's product line6. Which of the following is an example of a financial ratio?A. Return on Investment (ROI)B. Price-to-Earnings Ratio (P/E)C. Debt-to-Equity Ratio (D/E)D. All of the above7. The acronym "CEO" stands for:A. Chief Executive OfficerB. Chief Executive AssistantC. Chief Executive AnalystD. Chief Executive Accountant8. In project management, "PERT" is a method used for:A. Risk assessmentB. SchedulingC. Cost estimationD. Quality control9. The "5S" methodology is commonly used in:A. Financial managementB. Inventory managementC. Quality controlD. Workplace organization10. The "balanced scorecard" is a tool used for:A. Measuring financial performance onlyB. Evaluating a company's overall performanceC. Tracking daily salesD. Monitoring employee productivity二、填空题（每空1分，共10分）11. The acronym "HR" in business typically refers to ________.12. A ________ is a document that outlines the steps to be taken to achieve a project's goals.13. The process of identifying and solving problems is knownas ________.14. In marketing, "4Ps" stands for Product, Price, Place, and ________.15. The term "blue ocean strategy" refers to creating a new market space that is not in direct competition with existing________.16. A ________ is a person who is responsible for the overall financial health of a company.17. The "Theory X" and "Theory Y" were proposed by Douglas McGregor to describe different management styles regarding employee ________.18. The "Maslow's Hierarchy of Needs" is a psychologicaltheory that explains human motivation in terms of a hierarchy of ________ needs.19. In business, "outsourcing" refers to the practice ofhiring another company to perform ________ that were traditionally performed in-house.20. The "Porter's Five Forces" model is used to analyze the competitive forces within an ________.三、简答题（每题5分，共20分）21. Explain the concept of "corporate social responsibility" (CSR).22. What are the key components of a strategic plan?23. Describe the role of a project manager in a business setting.24. Discuss the importance of effective communication in a team environment.四、案例分析题（每题10分，共20分）25. Case Study: ABC Company is facing a decrease in sales. The management team is considering various strategies to improve the situation. Analyze the situation and suggest possible strategies based on the SWOT analysis.26. Case Study: XYZ Corporation has recently implemented a new performance management system. Describe the potential benefits and challenges of such a system and how it can impact employee motivation and performance.五、论述题（每题15分，共30分）27. Discuss the impact of globalization on management practices and how companies can adapt to this changing landscape.28. Elaborate on the concept of "emotional intelligence" in leadership and its significance in today's business world.六、答案一、选择题答案1. C2. A3. A4. A5. B6. D7. A8. B9. D 10. B二、填空题答案11. Human Resources12. Project Plan13. Problem-solving14. Promotion15. Competition16. CFO (Chief Financial Officer)17. Motivation18. Basic19. Tasks20. Industry。
2022年7月3938国开电大管理英语2试题及答案_1
2022年7月3938国开电大管理英语2试题及答案2022年7月3938国开电大管理英语2试题及答案一、交际用语(每题2分，共10分) 1-5题：选择正确的语句完成以下对话，并将答案序号写在答题纸上。
Passage 2 Hiring the right employee is a challenging process for a pany.A bad hire not just wastes your time and money， but also impacts the team spirit and pany morale.A good hire，however，pays you back in employee productivity，successful employment relationship， and business culture enhancement.Here are certain rules that you can use to select the right employee. Design an effective advertisement.Aclearly targeted ad attracts qualified candidates and discourages others.You can make your ad more effective with a precise and specific job description. Ask theright job interview questions.The purpose of the interview is to find out if the candidate is a strong fit to your business.By using a sequence ofparticularly designed questions， you are able to get a true picture of your potential employee. Check backgrounds and references.Background checking helps you reduce risks and improve the overall quality of hire.You need to verify that all the presented，credentials，skills， and experience are actually possessed by your candidate， 26.Hiring the wrong employee is expensive， costly to a pany， and time consuming. [答案]T 27. A pany has to spend a lot of money hiring a right employee. [答案]F 28. An advertisement with a clear target will make all candidates lose courage. [答案]F 29. Well designed interview questions can help you know more about the candidates， [答案]T 30.Work experience is one of the primary things for an employer to verify in background checking. [答案]T 四、翻译(共计20分，每题4分) 31-35题：请从以下A、B、C三个选项中选出最正确翻译，并将答案序号写在答题纸上。
管理英语2作业答案.
管理英语2作业答案.《管理英语》2作业答案⼀、交际⽤语 (共计10分，每⼩题2分)1~5题：选择正确的语句完成下列对话，并将答案序号写在答题纸上。
1. — Do you mind if I record your lecture?— _________________. Go ahead.A. Never mindB. No, you’d better notC. Not at all答案: C解析：本题考核“征求对⽅同意或许可”的交际⽤语。
根据问题内容“你是否介意我复制⼀下你的讲稿?”，只有选项C“Not at all”的意思为“⼀点也不，根本不”，符合上下对话的情景内容要求。
因此选项C为正确答案。
2. —Would you like to go to the concert with us?—_________________, but I’ve promised to help Jim with his Chinese. Thank you all the same.A. I hate concertsB. I’ll go with youC. I wish I could答案：C解析：本题考核表“拒绝邀请”的交际⽤语。
对话中说话⼈邀请听话⼈参加⾳乐会，⽽听话⼈先表⽰⾃⼰很想去，再解释不能去是因为已经答应帮助Jim学习中⽂，最后表⽰谢谢邀请。
因此选项C为正确答案。
3. ——It might be a good idea to read some simplified books first.A. Have the books been sold out?B. What is about this one?C. What books would you recommend?答案：C解析：本题考核“询问建议”的交际⽤语。
根据答语“⾸先读⼀些简易读物也许是个不错的主意”，问句应询问书本的推荐。
选项表⽰A表⽰“这些书已经卖光了吗”；选项B表⽰“这本书如何”，选项C表⽰“你推荐那些书呢”，因此答案是C。
国家开放大学电大专科《管理英语2》2022-2023期末试题及答案(3938号)
国家开放大学电大专科《管理英语2^2022-2023期末试题及答案（试卷号:3938）-、交际用语（共计10分,每小题2分）1 一5题：选择正硕的勇句完成下面对话,并将答案序号写在答题纸上。
1. 一Should I leave earlier tomorrow morning?A< Y CJ it's better to leave earlier to avoid the morning traffic^Br YeMt you wi!LC. No• you won't.2. — Gocxl morning. Sunshine Community Center! May 1 help you?A. I'd like co book one air tickcbR. I'm glnd to introduce myseH io you.C. 1 need a plumber to repair the water pipe in my kitchen.3> — I am 5orry e Now whai were we talking about?A. Never mind.B. I don f t rememberi either.C. You were saying that you used lo be a teacher——How's your mother doing?A. She is very well.B. She is very kind.C. She is doing shopping now.5> — Would you mind filling the quentionnuire for me?A. No probienu Just give it to me«B. ；Sorry ・ I can f t go there.C. I really appreciate that.二,tun:与ta构（共计3o分,每小n 2分）6—20 1|：词读下面的句子.从A,H.C三个逸顼中选出一个魔填入更白处的正确逸顼,并梅芥案序号将在答KK±<6. He was always _________ in aharinK hit cnormouB knowlcdgc>A. gcneroun H. «rncrnlionC< Kencrntc7. We should keep in mind __________ the fecdlmck in very helpful lor planning futuremrctings nnd cvcnfn.A・ whatC. when8. Hiring A good employ mwy coat much money nnd time. • ” can win mw hmore (or the cornpnny in future^A. what9• moreB. m I AMC> however9. They _______ since last night. They arc ubaut to fininh the watk»A. are cleaning the Ayjitcm H, have been clenninK thv syntrmC. had cleaned thr ny»tem10> He keepn on hist focuji on _________ money fA・ make B・ muckC. mAking)L Look! __________A. Here nre the bun corner H. Here eorncn the bu*.C. The bun here come.12< The success of our event is ___________ 2 lhe 5|)onM)r.A. related basedC. inunded13. When stating problems, we enn ninke A with ihoN from InM ymr.A. comparing compareC. comporison14. When reading rhe annuul report • we should look out _____________ the areas where the company did not comply with thr rexulations.A.B. forC. on15. The Jmhe Community Service Crnirr is fl bout to _____________ service for reMident^.A・ provided R. provideC. providing】6・ _____ thewe should have reached the annunl meeting site on time.A. IkcAuse ofB. In spite ofC But for17. — Did lhr medicine mnkr you feel better?—No. The more ___________ • ________ | (eel.A・ nnedicine I takei wnrse B. medicine 1 tnkei the worseC・! tnke mrdictnej worse18. Your long term success in event plunmng will be based ________________ the experience you had.A. to Be onC. ofHer article U in brr巾皿At the bc%f Ba betterC. well20. I would rather two werk^ cnrbcr<A. you should cornr here H. yuu unrnc hereC. you had conic hrrr理解（共“分网小H 4分）21-2SH：««下列坷文，从A.B、（・三个逸项中逸出一个正确答案■并将答猥序号与在答Jffl蛾上。
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用品是 _____________
请将你设计的装置图匦在右侧的方框内：
21． (2 分) 如右图所示，是物质发生化学变化的微观模拟图。请根据右图回答：
(1) 归纳你获得的微观信息有 ( 至少答两条 )
____________________________________,______________________________
是……………… ( )
A ．在 t 2℃时， KN03 和 NaCl 的两种溶液都是饱和的
B ．冷却到 t l ℃时， KN03 和 NaCl 的两种溶液都是饱和的
C ．冷却到 t l ℃时， KN03 和 NaCl 的两种溶液的质量分数相等
D ．将 t 2℃时，的两种溶液蒸干得到的固体质量相等
12．下表中列举的是通常状况下除去混合物中所含杂质的方法其中正确的是
3．如图所示下列实验基本操作中， 正确的是…………………………………… ( )
4．下列叙述中正确的是……………………………………………………… ( )
A 、霉变大米必须清洗后食用
B ．糖、脂肪、蛋白质都是由碳、氢、氧三种元素组成的
C ．奶类中含有钙元素。蔬菜中不含钙元素
D ．人体中缺少碘元素会引起甲状腺肿大
5．下列叙述中正确的是…………………………………………………………… (
)
A 、人体自身不能合成维生素，必须从食物中获取
B ．糖、脂肪、蛋白质都能为人体生命运动提供能量
C ．所有含碳的化合物都是有机物
D ．两种元素组成的化合物，显负价的元素…一定写在化学式的右铡
6 ．下列有关化学与生活约说法中，正确的是………………………………………
C．软水是指不含可溶性钙、镁化合物的水
D．木材的着火点是 250—330℃，说明木材的着火点是。可。变的
11． KN03 和 NaCl 的溶解度曲线如右图。在 t 2℃时，将 KN03 和 NaCl 固体各 25g 分别
加入到 100g 水中， 充分溶解后， 得到两种混合物下列关于两种混合物的说法正确的
130 倍，是砒霜的 900 倍，它燃
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烧的化学方程为： X ＋ 13O2
4CO2 ＋ 12H2O ，下列关于二恶英的判断正确的
是( )
A．二恶英分子没有剧毒 B. 二恶英是由碳、氢两种元素绣成的
C．二恶英一定含碳、氢两种元素，可能含氧元素
D 二恶英是由碳、氢、氧三种元
素
15．某尿素【 C0(NH2) 2】化肥样品 ( 杂质中不含氮元素 ) 中含氮元素为 43％，则此尿
（)
A、合金、合成纤维和合成橡胶都是重要的有机合成材料
B．棉和羊毛属于天然纤维
C．往一种无色溶液中加入盐酸，产生能使澄清石灰水变浑浊的气体，这种溶液中
一定含有碳酸根离子
D．硝酸钾属于钾肥，它能促进植物生长，增强抗瘸虫害积抗侧绫德力
7．下列标志和标志下面的文字或符号一致的是， ．
A．①③④ 8 ．②③． C ．②④ D ．①○2 ○3 ○4
时， 响 一 析
(4) 该早餐食谱较为合理，其理由是 _______________________
24．(4 分 ) 如图，在 500mL锥形瓶中盛约 25mL浓硫酸。将分液漏斗中的水缓慢滴人
锥形瓶中．观察到的现象是
_________________ ，解释产生此现象的原因是：
_________________________________________ 若 堵塞短玻璃导管可能产生的后果
后能看到的实验现象是 __________________________________
(4) 请你进一步设计实验来验证上述探究的结果， 并将有关的实验操作、 现象、 结论
填人下表：
实验操作
实验现象
结论及化学方程式
23． (4 分 ) 有些同学常不吃早餐就去上学，上午第三、四节课 他们往往会出现头晕、心慌、注意力不集中等现象。这样既影 学习效果， 又影响身体健康。 下面是一份较为合理的早餐食谱： 些酱牛肉、一块面包、一杯鲜牛奶、少量的蔬菜和水果。请分 回答： ( 以下填空除水以外 ) (1) 面包的富含的营养素是 _______________________ (2) 该食谱中富含蛋白质的食物有 ___________________________ (3) 该食谱中富含维生素的是 ____________________________
()
物质
所含杂质
7除去杂质的方法’
A
CuS04 粉末
B
C粉
C
C02气体
D
Mn02
Fe粉 Cu0粉末
CO KCl0 3
加水充分搅拌；过滤；将滤液蒸发结晶 加入过量稀盐酸．充分反应后，过滤，凉干
通人氧气，点燃 充分加热后．冷却，
13．实验窒里区分下列物质的两个实验设计方案都合理的是
A
B
C
D
区分物质 第一方案 第二方案
(3) 用含氦氧化铝的胃药冶疗胃酸过多症的反应
__________________________
19． (3 分 ) 在人们担心化石能源将被耗尽的时候。科学家发现海底埋藏着大量可燃
烧的“冰”一“可燃冰”。可燃冰外形与冰相似，是甲烷水合物，可用化学式
CH4·xH20 表示，它在低温和高压条件下形成。 一体积可燃冰可储藏相当予 100— 200
B ．铜绿属于纯净物，煤和石油属于混合物
C．汽油能洗去衣物上的油污是乳化作用
D 。地壳中含量最多的金属元素是硅元
素
10．下列说法中不正确的是………………………………………………… ( )
A．石油可以加工成石油气、汽油、柴油等，这种方法属于：石油的分馏，这一过程
属于物理变化
B．化石燃料都属于不可再生能源
素化肥样品的纯度为………………………………………………………
()
A ． 92． 1％ B ．95． 2％ C 。 96％ D． 7。 9％
二、非选择题 (16 题 -25 题，共 40 分 )
16． (2 分) 请用化学式表示下列物质：
(1) 城市煤气主要成分是 ____________( 至少填两种 )
(2) 自然界中以单质形态存在的金属是 __________( 填一种即可 )
(3) 硫离子的结构示意图是 _________________ ；
(4) 含两种金属元素的盐是 _______________( 填一种即可 )
17． (3 分) 请用化学知识解释下列问题：
(1) 物体有热胀冷缩现象的原因是： __________________________________
(2) 如果用
代表氧原子，用“ o”代表氢原子，则表示此反应的化学______________________其基本反应类型是 _________________
22． (7 分) 张南同学设计出下列三种装置进行一项探究实验： 请回答以下几个问题：
(1) 张南同学想探究的问题是 ___________________________________
(2) 一氧化碳能引起人体中毒死亡的原因是
；
_______________________________________________________________
(3) 干冰能进行人工降雨的原因是
____________________________________________________________
8．下列图示是生活中常见物质的 pH，其中说法正确的是（
）
A．胃酸过多的病人可多吃柠檬、苹果和橘子
B．酱油是显碱性的调味品
C．肥皂液和苹果汁的混合液一定使石蕊试液变红
D．花盆内的土壤显酸性可加人草木灰中和其酸性
9．下列说法中正确的是……………………………………………………… ( )
A．人体中含量最多的元素是钙元素
18． (3 分) 请用化学方程式表示下列化学变化：
(1) 用赤铁矿炼铁的反应 ___________________________________________
(2)
不 能 用铁 容 器 盛装 波 尔多 液 的原 因
_______________________________________
同)
(2) 若选用上述仪器制取氧气， 请设计出能控制反应速率的装置， 所用上述仪器的标
号有 _________________, 反应的化学方程式是 _______________________
(3) 若利用 KMnO4 制取氧气，以上所给仪器中还缺少的是 _____________, 缺少必要的
1．下列图示中不是表示通过化学反应为人类提供能量的是……………… ( )
2．下列实验现象叙述错误的是………………………………………… ( )
A ．硫在氧气中燃烧产生蓝紫色的火焰
B ．铁在氧气中燃烧时，火星四射、放出大量的热、生成黑色固体
C ．镁在空气中燃烧发出耀眼的白光，生成氧化镁白色固体
D. 氢氧化钠固体溶于水时有明显的放热观象
是 _________________理由是 ____________________________________________
25． (6 分 ) 张南同学取来某种品牌的胃药 30g 放入烧杯中，再加入 82g 的稀盐酸，
充分反应后所得混合物的质量为 103．2g，此时溶液的 pH．7。若此胃药中只含氢氧
(2) 以上三个实验中的有明显现象，请你帮张南同学记录他观察到的实验现象：
实验① _________________；实验③ ____________________________
(3) 实验②因选用仪器不当导致未能观察到明显现象， 请你帮助张南寻找一种物品替