【单选题】
[单选题]第1276题：乙烯浓度在___%以上时，对人体会产生迅速麻痹。
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【单选题】
[单选题]第1277题:甲、乙类可燃气体、可燃液体设备的高大构架和设备群应设置水炮保护其设置位置距保护对象不宜小于___m
【单选题】
[单选题]第1278题:碳二加氢反应器发生飞温不会造成___。
A. 反应器受损
B. 催化剂晶格破坏
C. 脱乙烷塔停车
【单选题】
[单选题]第1279题：氮气的伤害途径为___。
A. 皮肤接触吸收
B. 呼吸道吸入
C. 消化道食入
【单选题】
[单选题]第1280题:安全阀一般每年至少检验___。
【单选题】
[单选题]第1281题:高温作业的职业禁忌证不包括___
A. 慢性肾炎
B. 糖尿病
C. 周神经系统器质性疾病
【单选题】
[单选题]第1282题：硫化氢为第21类易燃气体，灭火剂为雾状水、干粉及___。
【单选题】
单选题第1283题:石脑油的的灭火剂包括泡沫、干粉、二氧化碳和___。
【单选题】
[单选题第1284题:扑灭精密仪器等火灾时一般用的灭火器为___。
A. 二氧化碳火火器
B. 泡沫灭火器
C. 干粉灭火器
【单选题】
[单选题]第1285題:引起离心泵泵体发热的原因是___。
【单选题】
[单选题]第1286题：只有在离心压缩机的___中，气体才能获得压力能。
【单选题】
[单选题]第1287题：不属于化工行业污染特点的是___。
【单选题】
[单选题]第1288题：不属于使用劳动防护用品的一般要求是___。
A. 防护用品应定期进行维护保养
B. 使用前应首先做一次外观检查
C. 劳动用品的使用必须在其性能范围内，不得超极限使用
【单选题】
[单选题]第1289题：管壳式换热器小修以下不属于管壳式换热器小修项目的是___。
A. 对管束进行试压
B. 清扫管程内部及头盖积垢
C. 抽芯，使用专用抽芯机将管束从壳体里抽出
【单选题】
[单选题]第1290题:便服室、工作服室可按照同室分柜存放的原则设计以避免工作服污染便服的车间卫生特征等级为___
【单选题】
单选题第1291题:应急演练下达演练开始指令后参演单位和人员按照设定的事故情景实施相应的应急响应行动直至完___成全部演练工作。
【单选题】
[单选题]第1292题:用来防止可燃气体、易燃液体大量泄漏在容器的出口位置常设置___
【单选题】
[单选题]第1293题：《职业病防治法》规定.对产生严重职业病危害的作业岗位，应当在其醒目位置，设置警示标识和中文警示说明。警示说明应当钱明的内容是___。
A. 岗位操作规程
B. 逃生路线
C. 应急救治措施
【单选题】
[单选题]第1294题：生产经营单位应当组织开展本单位的应急预案___.使有关人员了解应急预案内容熟悉应急职责、应急程序和岗位应急处置方案。
【单选题】
[单选题]第1295题：企业要按照国家有关规定实行重大危险源和重大隐患及有关应急措施备案制度每___至少要进行一次全面的安全生产风险分析。
【单选题】
[单选题]第1296题：生产经营单位应当及时向有关部门或者单位报告应急预案的___，并按照有关应急预案报备程序重新备案。
【单选题】
[单选题]第1297题：环保监测中的C.OD.表示___。
A. 生化需氧量
B. 化学耗氧量
C. 空气净化度
【单选题】
[单选题]第1298题：为了事故状态下的管线安全，乙烯装置的火炬管线材质选取主要决定于___。
A. 火炬气的最高温度
B. 火炬气管道的压力
C. 火炬气的最低温度
【单选题】
单选题]第1299题：《中华人民共和国消防法》规定，建设工程的消防设计、施工必须符合___工程建设消防技术标准。
【单选题】
[单选题]第1300题：某化工厂生产液氛，因市场需求量增加须进行扩建、为取得主管部门批准立项，该化工厂需要对扩建项目进行___。
A. 安全预评价
B. 专项安全评价
C. 安全现状评价
【单选题】
[单选题]第1301题:一氧化碳的伤害途径为___。
A. 皮肤接触吸收
B. 呼吸道吸入
C. 消化道食入
【单选题】
[单选题]第1302题:超高压蒸汽管线暖管合格的标志是温度大于___。
【单选题】
[单选题]第1303题:紧急停车后，关于冷箱系统的处理方法,下列操作不正确的是___。
A. 停低压甲烷外送
B. 停氢气外送
C. 放火炬泄压
【单选题】
[单选题]第1304题:压缩机轴承温度高于___时将发出高温报警信号。
【单选题】
[单选题]第1305题:乙烯装置的高压消防系统压力- -般为___MpA.。
A. 1.1-1.2 .
B. 0.7-1.1
C. ) 1.2-1.5
【单选题】
[单选题]第1306题:根据演练评估报告中对应急预案的改进建议，由___按程序对预案进行修订完善。
A. 应急预案执行部]
B. 应急预案编制部门
C. )演练组织单位
【单选题】
[单选题]第1307题:为防止急冷水系统腐蚀通常在急冷水中注入___。
【单选题】
[单选题]第1308题:挥发性有机化合物的英文缩写是___。
【单选题】
[单选题]第1310题:压力容器按设计压力分类,属于高压容器的是___。
A. 1.6≤p<10
B. 0.1≤p<1.6
C. 10≤p<100
【单选题】
[单选题]第1311题:应急演练结束后，组织应急演练的部门应根据应急演练评估报告、总结报告提出的问题和建议对应急管理工作,包括应急演练工作,进行___。
【单选题】
[单选题]第1312题:国家为加强环境保护管理而采取的最主要手段是___。
A. 建立和强化环境行政管理机构
B. 应用环境经济调节措施
C. 强化环境刑事制裁
【单选题】
[单选题]第1313题:按压力等级区别丙烯精馏塔属于___容器。
【单选题】
[单选题]第1314题:压力管道防腐最常用的方法为___防腐。
【单选题】
[单选题]第1315题:为减少污染含硫污水应采用的输送方式是___输送。
【单选题】
[单选题]第1316题:下列选项中不是离心泵机械密封组件的是___。
【单选题】
单选题]第1317题:对检修后的换热器进行验收时必须对其进行压力试验试压方式首选___。
A. 水压试验
B. )气压试验
C. )高温试验
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【单选题】
— Excuse me, how much is the jacket?___ It's 499 Yuan.
A. Oh, no. That's OK!
B. How do you like it?
C. Which do you prefer?
D. Would you like to try it on?
【单选题】
— Could you help me with my physics, please？___
A. No, no way.
B. No, I couldn't
C. No, I can't.
D. Sorry I can't. I have to go to a meeting right now.
【单选题】
— Could I speak to Don Watkins, please?___
A. Speaking, please.
B. Oh, how are you?
C. I'm listening.
D. I'm Don.
【单选题】
— Could I borrow your car for a few days?___
A. Yes, you may borrow.
B. Yes, go on.
C. Sure, here is the key. Enjoy your journey.
D. It doesn't matter.
【单选题】
— Thank you for inviting me.___
A. I really had a happy time.
B. Oh, it's too late.
C. Thank you for coming.
D. Oh, so slowly?
【单选题】
— May I see your tickets, please?___
A. Sure.
B. No, you can't.
C. No, they are mine.
D. Yes, you can.
【单选题】
— Please help yourself to the seafood.___
A. No, I can't.
B. Sorry, I can’t help.
C. Well, seafood don’t suit.
D. Well, I'm afraid I don't like seafood.
【单选题】
— Would you like to go to the concert with us this evening?___
A. No, I already have plans.
B. I'd love to, but I'm busy tonight
C. No, I really don't like being with you.
D. I'm ill, so I shouldn't go out.
【单选题】
— Congratulations! You won the first prize in today's speech contest.___
A. Yes, I beat the others.
B. No, no, I didn’t do it well.
C. Thank you.
D. It's a pleasure.
【单选题】
— Must I take a taxi? No, you___. You can take my car.
A. had better to
B. don't
C. must not
D. don't have to
【单选题】
— We are going to have a singing party tonight. Would you like to join us?___
A. I'm afraid not, because I have to go to an important meeting.
B. Of course not. I have no idea
C. No, I can’t.
D. That's all set
【单选题】
— How was your trip to London, Jane?___
A. Oh, wonderful indeed.
B. I went there alone.
C. The guide showed me the way.
D. By plane and by bus.
【单选题】
— Hey, Tom, what's up?___
A. Yes, definitely!
B. Oh, not much.
C. What is happening in your life?
D. You are lucky.
【单选题】
— Do you mind my smoking here?___
A. No, thanks.
B. Yes, I do.
C. Yes. I'd rather not.
D. Good idea.
【单选题】
— Did you know that David injured his leg yesterday?Really? ___
A. Who did that?
B. What's wrong with him?
C. How did that happen?
D. Why was he so careless?
【单选题】
— This box is too heavy for me to carry it upstairs.___
A. You may ask for help.
B. I'll give you a hand.
C. Please do me a favor.
D. I'd come to help.
【单选题】
— I wonder if I could use your computer tonight?___ I'm not using it right now.
A. Sure, here you are.
B. I don't know.
C. It doesn't matter.
D. Who cares?
【单选题】
— Excuse me, could you show me the way to the nearest post office?___ Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it.
A. I beg your pardon?
B. What do you mean?
C. You’re welcome.
D. Um, let me think.
【单选题】
— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
B. Don’t mention it.
C. Thanks for your compliments.
D. It's fine.
【单选题】
— Is it possible for you to work late tonight？___
A. I like it.
B. I'll do that.
C. I'd love to. .
D. I think so.
【单选题】
— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
A. Good luck.
B.
C. heer up. C. Go ahead.
D. No problem.
【单选题】
Are you feeling better today, Jack?___
A. There must be something wrong.
B. Just have a good rest.
C. Yes, thank you, doctor. But I still don't feel good.
D. Don’t worry about me.
【单选题】
Thank you so much for your lovely gift.___
A. Never mind.
B. I'm glad you like it.
C. Please don't say so.
D. No, It's not so good.
【单选题】
Would you like something to drink? What about a cup of tea?___
A. No, thanks.
B. No, I wouldn’t
C. Yes, I want.
D. Yes, I like.
【单选题】
What's the problem with your bike?___
A. Not at all.
B. Good, thank you.
C. Nothing serious.
D. Sure.
【单选题】
Good morning, John. How are you doing?___
A. I'm pleased
B. Good night.
C. Not so bad. And you?
D. How do you do?
【单选题】
How do you do?___
A. Fine, thank you.
B. How do you do?
C. Not too bad.
D. Very well.
【单选题】
Good-bye for now.___
A. The same to you.
B. That's OK
C. See you.
D. Long time no see.
【单选题】
Hello, how are you?___
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
【单选题】
I didn't mean to do that. Please forgive me。___
A. Not too bad.
B. That's all right
C. It's a pleasure.
D. Thank you.
【单选题】
Thank you for your invitation.___
A. It doesn’t matter.
B. It's a pleasure.
C. It's a small thing.
D. I'll appreciate it.
【单选题】
What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
C. You want to have one, too?
D. Thank you.
【单选题】
I think he is a good lecturer.___
A. Sorry, it doesn’t matter.
B. So do I.
C. Yes. It's a good idea
D. I don't mind
【单选题】
— What's the matter, dear?___
A. I didn't go to school.
B. I have a terrible headache.
C. I took the kids shopping today.
D. It is a beautiful dress.
【单选题】
Good morning, may I speak to Mark, please?___
A. Who's there?
B. Who's that speaking?
C. Who are you?
D. Who wants to speak to Mark?
【单选题】
Let me introduce myself. I'm Steward.___
A. What a pleasure.
B. Pleased to meet you.
C. I don't know.
D. Thanks a lot.
【单选题】
Let's go to the library this afternoon.___.
A. Yes, that's right.
B. No. I can't.
C. What about you?
D. That's a good idea.
【单选题】
What does Tom's wife do for a living?___.
A. She is a doctor.
B. Tom loves his wife.
C. She has a happy life.
D. She lives far from here.
【单选题】
How tall is your sister?___
A. She is not very well.
B. She is 28 years old.
C. She is very nice.
D. She is as tall as I am.
【单选题】
What do you think of this novel?___
A. I've read it.
B. It's well-written.
C. It was written by my uncle.
D. I bought it yesterday.
