【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?
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相关试题
【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.
【单选题】
How much is this necklace?___
A. It's very nice.
B. It's a birthday present from my parents.
C. It costs fifty pounds.
D. It's a bargain.
【单选题】
How can I get to the cinema?___
A. It's very far.
B. Yes, there is a cinema near here.
C. It's well known.
D. Go down this street and turn left.
【单选题】
What's the matter, John?___
A. I failed my French test
B. It doesn't matter.
C. Nothing's wrong with him.
D. I don't think I can.
【单选题】
What are you majoring in?___
A. In a university.
B. Very hard.
C. Mathematics.
D. At nine in the morning.
【单选题】
Are you going on holiday for a long time?___
A. It was a long time.
B. Two weeks ago.
C. No. Only a couple of days.
D. Not long time ago.
【单选题】
Is Mary there?___
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
What day is today?___
A. It's March 6.
B. It's a fine day today.
C. It's March.
D. It's Monday.
【单选题】
Is that seat taken?___
A. Please don't worry.
B. I don't think so.
C. Why not?
D. It's very nice.
【单选题】
Thank you for calling.___
A. Don’t mention it.
B. That's fine.
C. Nice talking to you.
D. Call back again.
【单选题】
How are you getting on today?___
A. Very well.
B. How do you do?
C. I'm a doctor.
D. Nice to have known you.
【单选题】
How's your family?___
A. Thanks all the same.
B. Thanks for calling.
C. Not too bad.
D. Don't mention it.
【单选题】
- How is it that you are late for class again?___
A. Because I missed the bus
B. By bus and then on foot
C. Yes, it is quite wrong
D. It is far from school
【单选题】
- Excuse me. Could you spare me a few minutes? - ___
A. Of course.
B. Of course not.
C. I am sorry to hear that.D.Yes. I'm busy now.
【单选题】
- It's very thoughtful of you to give me a ride. ___
A. It's my pleasure.
B. Take it easy.
C. Sure.
D. Never mind.
【单选题】
- This is heavy! What's in it? ___
A. I think you don't like it.
B. My new computer. I just bought it.
C. I'm glad you're here.
D. Are you really interested in it?
【单选题】
___ I'd like to place an order please.
A. Can I help you?
B. I can help you.
C. What are you doing?
D. Why are you doing?
【单选题】
- Do you know the girl over there?___
A. How can I know?
B. Yes, I remember it now.
C. It's Sam, my teacher's daughter.
D. She is a good girl.
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【单选题】
()是中国特色社会主义最本质的特征,同时又是社会主义法治最根本的保证。___
A. 党的领导
B. 改革开放
C. 经济发展
D. 法制健全
E.
【单选题】
党的组织在同级各种组织中发挥领导核心作用必须坚持什么原则?()___
A. 把握全局、领导各方
B. 把握全局、协调各方
C. 总揽全局、领导各方
D. 总揽全局,协调各方
E.
【单选题】
中国共产党章程要求党员必须在生产、工作、学习和社会生活发挥什么作用?< >___
A. 桥梁和纽带
B. 领导核心
C. 先锋模范
D. 战斗堡垒
E.
【单选题】
()是共产党人精神上的“钙”。___
A. 崇高信仰
B. 理想信念
C. 政治立场
D. 人民至上
E.
【单选题】
党的作风建设的核心问题是< >___
A. 理论联系实际
B. 开展批评与自我批评
C. 保持党和人民的血肉联系
D. 立党为公,执政为民
E.
【单选题】
党的基层组织是党联系群众的()___
A. 基础
B. 保证
C. 桥梁和纽带
D. 关键
E.
【单选题】
党的十九大报告指出,坚持反腐败无禁区、全覆盖、零容忍,坚定不移“打虎”、“拍蝇”、“猎狐”,____的目标初步实现,____的笼子越扎越牢,____的堤坝正在构筑,反腐败斗争压倒性态势已经形成并巩固发展。< >___
A. 不敢腐不能腐不想腐
B. 不能腐不敢腐不想腐
C. 不想腐不敢腐不能腐
D. 不敢腐不想腐不能腐
E.
【单选题】
元素是具有相同( )的同一类原子的总称。
A. 核电荷数
B. 质量数
C. 中子数
D. 电子数
【单选题】
氧化还原反应是指在反应过程中,反应物质之间发生()转移的反应。
A. 质子
B. 原子
C. 中子
D. 电子
【单选题】
酸碱指示剂的颜色随溶液(  )的变化而变化。
A. 浓度
B. 电导率
C. PH值
D. 温度
【单选题】
某水溶液中某物质的物质的量浓度为(  )。
A. 0.2006mmol/L
B. 0.2006g/L
C. 0.2006%
D. 0.2006mg/mL
【单选题】
下列物质属于电解质的是(  )。
A. Mg
B. MgCl2
C. 酒精
D. 蔗糖
【单选题】
水中氯离子必须在(  )溶液中测定。
A. 酸性
B. 中性或弱酸性
C. 碱性
D. 弱酸性
【单选题】
阳床失效后,最先穿透树脂层的阳离子是(  )。
A. Fe3+
B. Ca2+
C. Na+
D. Mg2+
【单选题】
电渗析器每个淡水室实际的脱盐量与理论脱盐量的比值,称为(  )。
A. 电流效率
B. 电能效率
C. 耗电率
D. 水回收率
【单选题】
新的或久置不用的玻璃电极应置于蒸馏水中浸泡(  ) h。
A. 4
B. 8
C. 24
D. 12
【单选题】
电导率的单位是(  )。
A. μS·cm
B. μS/cm
C. μS
D. Ω
【单选题】
氯的杀菌能力受水的(  )影响较大。
A. PH值
B. 碱度
C. 温度
D. 含盐量
【单选题】
一级复床+混床出水电导率值的标准应为(  )μS/cm。
A. ≤0.3
B. ≤0.1
C. ≤0.5
D. ≤0.2
【单选题】
测定水的碱度,应选用(  )标准液滴定。
A. 盐酸
B. 硫酸
C. EDTA
D. 硝酸银
【单选题】
能使甲基橙指示剂变红,酚酞指示剂不显色的溶液是( ) 溶液。
A. 盐酸
B. 氢氧化钠
C. 氯化钠
D. 碳酸氢钠
【单选题】
对水中钠离子进行测定时,加入碱化剂的作用是(   )。
A. 防止水中阴离子的干扰
B. 调节水样pH值>10,防止氢离子的干扰
C. 维持水样为中性
D. 防止水样中阳离子的干扰
【单选题】
溶解固形物含量高,则说明水中(  )高
A. 总含盐量
B. 硬度
C. 悬浮物含量
D. 硫酸盐含量
【单选题】
一般情况下,电渗析膜极化沉淀大多发生在(  )。
A. 淡水室的阴膜
B. 浓水室的阳膜
C. 浓水室的阴膜
D. 淡水室的阳膜
【单选题】
电渗析器正常运行时,一般淡水侧压力(  )浓水侧压力。
A. 高于
B. 低于
C. 等于
D. 不高于
【单选题】
循环式冷却水中,二氧化碳含量的减少将使(  )析出。
A. CaCO3
B. CaSO4
C. CaCl2
D. Ca(OH)2
【单选题】
离子交换树脂的(  )是离子交换树脂可以反复使用的基础。
A. 可逆性
B. 再生性
C. 酸碱性
D. 选择性
【单选题】
当强酸阳离子交换树脂由Na+型变成H+型时,或当强碱阴离子交换树脂由Cl-型变成OH -型时,其体积会(  )。
A. 增大
B. 不变
C. 缩小
D. 或大或小
【单选题】
工业盐酸带黄色的原因是含有(  )杂质。
A. Ca2+
B. Cl-
C. Fe3+
D. Al3+
【单选题】
能有效去除水中硅化合物的是(  )。
A. 强酸阳树脂
B. 强碱阴树脂
C. 弱碱阴树脂
D. 弱酸阳树脂
【单选题】
离子选择性电极的性能主要决定于(  )。
A. 膜的种类和制造技术
B. 使用方法
C. 温度
D. 溶液的搅拌
【单选题】
强碱阴离子交换树脂可耐受的最高温度是(  ) ℃。
A. 100
B. 60
C. 150
D. 30
【单选题】
火力发电厂的主要生产系统为水、汽系统,电气系统和(  )。
A. 锅炉系统
B. 燃烧系统
C. 排污系统
D. 输煤系统
【单选题】
自然通风冷却塔一般多设计为(  )。
A. 圆柱形
B. 双曲线形
C. 圆形
D. 长方形体
【单选题】
活性炭过滤器用于水处理时,对脱(  )和除去有机物有很重要的实际意义。
A. 碳
B. 氯
C. 氧
D. 杂质
【单选题】
在线电导率表测定水样的电导率时,常要通过(  )以后再测定。
A. 钠离子交换柱
B. 氢离子交换柱
C. 阴离子交换柱
D. 混合离子交换柱
【单选题】
混凝处理的目的主要是除去水中的胶体和(  )。
A. 悬浮物
B. 有机物
C. 沉淀物
D. 无机物
【单选题】
阴离子交换树脂受污染后,出现一些特征,下面叙述错误的是(  )。
A. 树脂的交换容量下降
B. 树脂的颜色变深
C. 再生后正洗时间延长
D. 出水显碱性
【单选题】
热力发电是将(  )转变为机械能进行发电的。
A. 化学能
B. 电能
C. 热能
D. 风能
【单选题】
各种蒸汽管道和用汽设备中的(  ),称为疏水。
A. 除盐水
B. 凝结水
C. 软化水
D. 澄清水