【单选题】
- That's a beautiful cat. I wonder who it belongs to.____
A. It belongs to the
B. rowns. B.The cat is my favourite too.
C. Mind your own business.
D. I can't say anything more.
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【单选题】
- Excuse me, could you tell me the time____
A. You'd better buy a watch.
B. It's three thirty by my watch.
C. Can you see the clock?
D. It's late I think.
【单选题】
- What do you think of the movie we saw last night?____
A. The actress is bad.
B. Terrific!
C. The theatre is bad.
D. Nobody was there.
【单选题】
___ No, thanks. I'm just looking around. I'll let you know if I want anything.
A. Could you help me?
B. What will you buy?
C. Can I help you?
D. Do you like to look around?
【单选题】
- Hello, Peter. What do you do?____
A. I am fine.
B. I am not sick.
C. I am a student from Bonn University.
D. I came from Bonn University.
【单选题】
-Excuse me; can I have a seat here?___
A. Be hurry.
B. Come on.
C. Yes, please.
D. Do you mind?
【单选题】
- Shall we sit up here on the grass or down there near the water?___
A. I'd rather stay here if you don't mind.
B. Sorry, I don't like neither.
C. Certainly, why not？
D. Yes, we like these two places.
【单选题】
- What do you do on Sunday?___
A. I 'm a teacher.
B. I play football.
C. You are a student.
D. They clean rooms.
【单选题】
- Our class won the girls' relay race in our school's sports meeting.___
A. That's right.
B. Thanks a lot.
C. Congratulations!
D. It's a pleasure.
【单选题】
- Hi, is Mary there, please?___
A. Hold on. I'll get her.
B. No, she isn't here.
C. Yes, she lives here.
D. Yes, what do you want?
【单选题】
- I am afraid I can't return the book to you before Friday. ___
A. Don't be afraid
B. Be careful
C. Not at all
D. Take your time
【单选题】
- I really don't know how to thank you enough. ___.
A. No problem
B. Think nothing of it
C. Not at all
D. It doesn't matter
【单选题】
- Must I be home before seven? ___.
A. No, you needn't
B. No, you mustn't
C. Yes, you will
D. No, you won't
【单选题】
-I'm sorry to hear that you failed in the exam______.
A. Not at all
B. Oh, thank you.That's very kind of you
C. You are welcome
D. Yes, I'm really sorry
【单选题】
-I will,______.
A. that's all right
B. thank you
C. all right
D. not at all
【单选题】
-Hello, may I speak to Zhao Hua?_____.
A. My name is Zhao Hua
B. I'm Zhao Hua
C. This is Zhao Hua speaking
D. Zhao Hua is me
【单选题】
___This is Mr Smith speaking now.
A. Who are you
B. Who is that
C. Who are you calling
D. What do you want to say
【单选题】
- I was worried about my maths, but Mr. Brown gave me an A.___
A. Don't worry about it.
B. Congratulations! That's a difficult course.
C. Mr. Brown is very good.
D. Good luck to you！
【单选题】
-Would you go to the concert with me?___, but I'm very busy now.
A. I'd like to
B. Sure
C. No problem
D. Certainly
【单选题】
-I'll be away on a business trip. Would you mind looking at my cat?Not at all. _______.
A. I have no time
B. I'd rather not
C. You can leave
D. I'd be happy to
【单选题】
- Hi, Jim! Nice to meet you.____.
A. Certainly
B. Many thanks
C. OK
D. Nice to meet you, too
【单选题】
- Hello, may I speak to Mike?_____
A. Who are you?
B. Sorry, he isn't in.
C. Thank you very much.
D. Yes, here you are.
【单选题】
- Will you join us for lunch?____.
A. No, I won't
B. Yes, with pleasure
C. Yes, please
D. Yes, help yourself
【单选题】
- Thank you for your great dinner. I really enjoyed it._____you enjoyed it.
A. I'm so glad
B. I'm sorry
C. What a pity
D. Surprisingly
【单选题】
- I heard Susan surprised her teacher by working hard. Yes, ___
A. her teacher worked hard.
B. Susan worked hard.
C. the teacher was surprising.
D. Susan was surprised.
【单选题】
- Peter, don't step on the grass_______.
A. It doesn't matter
B. I can't do it
C. Don't worry
D. Sorry, I won't do it again
【单选题】
- How was your journey to Paris? - ____
A. It went very well.
B. I flew there.
C. I love Paris.
D. Thank you for asking.
【单选题】
- I'm sorry for being late, Mr Lt______.
A. All right
B. That's right
C. Not at all
D. Never mind
【单选题】
- Happy birthday to you! ___!
A. Happy birthday to you
B. I'm very glad
C. That's all right
D. Thank you
【单选题】
- Do you like country music?___.
A. Yes, I like basketball a lot
B. It's far too crowded
C. Yes, I'm crazy about it
D. Oh, it's funny
【单选题】
- Have a cup of tea, ____? Thanks a lot.
A. don't you
B. haven't you
C. shall we
D. will you
【单选题】
- Thank God．It's Friday again．A nice weekend!___.
A. Me too
B. Yes，I'll be free then
C. That's all right
D. The same to you
【单选题】
— Write to me when you get home. OK, I ______.
A. must
B. should
C. will
D. can
【单选题】
Tom is so talkative. I’m sure you'll soon get tired ___ him.
A. of
B. with
C. at
D. on
【单选题】
I don't know ____ to deal with such matter.
A. what
B. how
C. which
D. /
【单选题】
___ is your girl friend like? She is very kind and good-looking.
A. How
B. What
C. Which
D. Who
【单选题】
He ___ driving me home, even though I told him I lived nearby.
A. insisted on
B. insisted at
C. insisted that
D. insisted in
【单选题】
We came finally ___the conclusion that she has been telling lies all the time.
A. of
B. into
C. to
D. at
【单选题】
I won’t make the___mistake next time.
A. like
B. same
C. near
D. similar
【单选题】
He ___lives in the house where he was born.
A. already
B. yet
C. still
D. ever
【单选题】
I am not used to speaking ___ public.
推荐试题
【单选题】
吹扫酸性气管道最好的吹扫介质是___。
A. 蒸汽
B. 氮气
C. 新鲜水
D. 动力风
【单选题】
以下___不是酸性气分析项目。
A. H2S
B. SO2
C. S
D. H2O
【单选题】
硫化氢在装置内允许浓度为≤___mg/m3。
【单选题】
4＃滤毒罐的防护对象是___。
A. 有机气体
B. 三苯
C. 二氧化碳
D. 硫化氢和氨
【单选题】
蒸汽灭火时站立位置正确操作是___。
A. 下风向
B. 上风向
C. 火源中心
D. 四周走动
【单选题】
如果在一定的范围内有毒气体浓度大于___%，滤毒罐是不可以使用的。
【单选题】
当气密过程中有泄漏，正确的做法是___。
A. 直接紧固
B. 继续升压
C. 降到安全压力紧固
D. 边升压边紧固
【单选题】
公用工程系统分别用___按最高操作压力进行气密试漏。
A. 蒸汽
B. 氮气
C. 本系统介质
D. 动力风
【单选题】
装置引蒸汽时防止“水击”的方法___。
A. 迅速开启蒸汽阀
B. 先开放空阀放尽冷凝水；再缓慢开启蒸汽阀
C. 开蒸汽阀时关闭放空阀
D. 先开蒸汽阀再打开末端放空阀
【单选题】
在蒸汽管道投用时首先要进行___操作。
A. 加热
B. 冷却
C. 小流量暖管
D. 大流量暖管
【单选题】
装置引蒸汽时，在蒸汽管线未端和低点处___放空阀（ ）蒸汽阀。
A. 先开、后开
B. 先关、再开
C. 先开、再关
D. 后开、先开
【单选题】
引蒸汽的时候，由于高温蒸汽与管道中的冷凝水接触，冷凝水升温，发生___，体积迅速膨胀，出现“汽锤”，使管道猛烈抖动，称为“水击”。
A. 化学反应
B. 相变
C. 爆炸
D. 冷凝
【单选题】
下列不是系统引氮气时所应注意的点是___。
A. 引氮气时注意安全，防止窒息
B. 氮气进装置后，凡需进入容器内必须要进行氧含量分析
C. 与氮气管线相连的其他工艺介质管线、容器用盲板或双阀隔离，双阀之间的放空打开
D. 引氮气前系统需进行干燥
【单选题】
下列关于低压系统吹扫的说法不正确的是___。
A. 管线的吹扫原则上要顺流程走向，先副线，后主线，顺管线向下或水平吹扫，避免向上吹扫
B. 先对各塔、容器吹扫，再向外吹附属设备及管线
C. 从外往塔、容器内吹扫，则必须先对入塔、容器管线吹扫干净，并在入塔、容器处拆开法兰排污，吹扫干净后再将法兰复位
D. 吹扫流程中的调节阀、孔板及流量计等元件应拆除
【单选题】
吹扫控制阀时，应___。
A. 先扫正线，后扫副线
B. 先扫副线，后扫正线
C. 正、副线同时扫
D. 没有特别原则
【单选题】
新装置开车水冲洗使用___。
A. 新鲜水
B. 循环水
C. 除盐水
D. 除氧水
【单选题】
塔的吹扫结束的标志正确的是___。
A. 塔顶放空无物料气出来
B. 塔底液面计上放空无物料气出来
C. 塔底放空无物料气出来
D. 塔底液面计下放空无物料气出来
【单选题】
引循环水时将冷换设备的操作不正确得是___。
A. 冷换设备出口前的放空阀打开将管道和冷换设备内的空气赶走
B. 引循环越慢越好
C. 先引介质再引循环水
D. 先将循环水冷换设备中垃圾吹扫掉
【单选题】
循环水进装置温度一般不会低于___。
A. 40℃
B. 30℃
C. 生活用水温度
D. 气温
【单选题】
循环水由于循环水冷却器的___要求，比新鲜水要求高。
A. 冷却
B. 防腐防垢
C. 流速
D. 回用
【单选题】
吹扫换热器时，应___。
A. 先扫正线，后扫副线
B. 先扫副线，后扫正线
C. 正、副线同时扫
D. 没有特别原则
【单选题】
酸性气带水对硫磺装置的影响，以下哪项不正确___。
A. 造成炉膛熄火
B. 系统压力升高
C. 增加设备腐蚀
D. 提高催化剂水解反应效果
【单选题】
蒸汽再沸器在投用时，为了防止出现“水锤”，___进行预热。
A. 略微开启进口阀门
B. 开足进口阀门
C. 略微开启排凝阀门
D. 开足排凝阀门
【单选题】
进入反应炉的酸性气主要成分是___。
A. 硫化氢、氨、烃
B. 硫化氢、二氧化硫、烃
C. 硫化氢、二氧化碳、氨
D. 硫化氢、烃
【单选题】
在开车过程中，蒸汽重沸器在投用时，引物料的速度___比较好。
A. 越快越好
B. 先快后慢
C. 越慢越好
D. 先慢后快
【单选题】
现场玻璃板液面与仪表显示液位一致是因为仪表液位与现场液位___。
A. 手阀位置相同
B. 同一根引出管
C. 材质相同
D. 介质密度相同
【单选题】
调节阀是通过改变___来改变阀的阻力系数，达到调节流量的目的。
A. 阀芯行程
B. 信号压力的大小
C. 电信号的大小
D. 以上全部
【单选题】
调节阀在输送粘性很大的介质时，可能造成阀___。
A. 可调比变小
B. 无信号
C. 单方向动作时迟钝
D. 往复动作时迟钝
【单选题】
溶剂发泡时，会有___现象。
A. 溶剂变成透明色
B. 吸收塔液位突然上升
C. 吸收塔压降增加
D. 再生塔塔底温度降低
【单选题】
停工过程中不得随地任意排放油品、瓦斯，排水沟地漏要疏通，___要封死盖严。
A. 放水管线
B. 下水井
C. 放火炬管线
D. 塔裙座
【单选题】
停工时必须要有___与工作票才可以拆装盲板。
A. 领导同意签字
B. 用火票
C. 进罐入塔票
D. 盲板清单
【单选题】
吹扫酸性气管道的时间要连续___小时以上。
【单选题】
玻璃板液面计是依据___原理工作的。
A. 连通器
B. 压力传递
C. 流体压差
D. 流体能量方程
【单选题】
快速切断阀是为了安全生产所装，因此当装置失风时阀应___，保证生产安全。
A. 全开
B. 全关
C. 开1/4
D. 开1/2
【单选题】
快速切断阀改手动时候，应有___现象。
A. 阀自动全开
B. 阀自动全关
C. 发出气缸泄压声音
D. 阀体剧烈抖动
【单选题】
___不是瓦斯带水的工艺现象。
A. 炉膛内压力下降
B. 炉膛内会产生回火
C. 炉膛内温度下降
D. 炉膛压力上升
【单选题】
下面不是燃料气停的现象是___。
A. 瓦斯压力下降
B. 瓦斯流量下降
C. 焚烧炉各部分温度下降
D. 燃料气控制阀全开
