相关试题
【判断题】
固态微型强光防爆电筒灯具内部电路设计具有防止过充、过放、短路保护装置及开关防误操作功能
【判断题】
固态微型强光防爆电筒高能无记忆电池，容量大，寿命长，自放电率低，经济环保；光源耗能少，使用寿命长
【判断题】
手提式强光照明灯具是一种可手持的移动照明和应急照明灯具，具有照射距离远、穿透力强等特点
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消防员配备使用的消防员呼救、定位器具包括消防员呼救器和方位灯
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腰斧发放使用前应进行外观检查，注意查看有否缺陷和潜在的损伤，如发现腰斧变形、有裂缝或橡胶柄套损坏时，应停止使用
【判断题】
腰斧受一般性沾污时，可先用肥皂水擦洗，再用水清洗后凉干；当腰斧受油漆或柏油等玷污时，应先用四氯化碳擦去污痕迹，再按以上方法清洗，切忌用汽油或石蜡油等进行擦洗，以免橡胶柄套损坏
【判断题】
在紧急情况下，消防空气呼吸器可以作潜水呼吸器使用
【判断题】
抢险救援头盔适用于消防员执行抢险救援作业时佩戴,抢险救援头盔一般不考虑耐热性能.
【判断题】
消防泵用完后要及时将放余水开关打开,将余水排除
【判断题】
高压泵细水雾喷雾灭火装置的发动机润滑油首次使用后第一个月应更换新润滑油，以后每两个月年更换一次，每年应更换发动机润滑油过滤器
【判断题】
高压泵细水雾喷雾灭火装置的火花塞每半年应检查和清洁一次，每两年应更换
【判断题】
串并联中低压离心消防泵当换向阀手柄转到“并联”位置时，出水口出中压水
【判断题】
消防呼吸器在使用时候压力一般不超过20MP
【判断题】
消防隔热服可以在3000度的高温情况下使用
【判断题】
消防头盔的外形可分为无帽沿式和有帽沿式两种
【判断题】
呼吸保护器具可以向人体提供100％的纯氧
【判断题】
消防员防护头盔是用于保护消防员头部、颈部以及面部的防护装具
【判断题】
消防头盔由帽壳、佩戴装置、面罩、披肩和下颏带等主要部件组成
【判断题】
消防防化手套适用于在高温场合、处理尖硬物品作业时使用
【判断题】
隔热手套用于手部防辐射热保护，通常应穿戴在消防员抢险救援手套外部使用
【判断题】
消防员隔热服整套防护服的质量（不包括自配防护头盔、隔热头套、隔热手套和隔热脚套）不应大于5000g
【判断题】
消防员隔热防护服应及时清洗、擦净、晾干。隔热层和外层不可分开清洗。
【判断题】
防蜂服是消防员在执行摧毁蜂巢任务时为保护自身安全时穿着的防护服装，也可以作为化学防护训练服，以代替化学防护服进行日常的防化训练
【判断题】
防静电服必须与防静电鞋配套穿用，允许在易燃易爆的场所穿脱
【判断题】
标准规定消防员灭火防护胶靴具有防砸、防割、防刺穿、阻燃、隔热、耐电压、耐油、防滑、耐酸碱、防化等功能
【判断题】
标准规定消防员灭火防护胶靴应具有耐电压性能，可用于带电场所、不得用于浓酸和浓碱等强烈腐蚀性化学品存在的场所
【判断题】
消防员化学防护靴适用于消防员在处置一般化学事件时穿着，不适用于在灭火、涉及放射性物品、液化气体、低温液体危险物品、爆炸性气体、生化毒剂等事故现场使用
【判断题】
防护服的衣领高度不应小于100mm，并应有搭接或扣牢配件衣领的结构应
【判断题】
手套本体的长度应环形延伸，并应超出腕关节不少于25mm
【判断题】
手套本体的长度应环形延伸，并应超出腕关节不少于25mm
【判断题】
消防手套按防护要求分为将其分为一类、二类和三类，一类手套防护等级最高
【判断题】
氧气呼吸器使用环境温度规定不大于50℃
【判断题】
移动式供气源4个气瓶与同一个减压阀连接，允许每次换掉2个空瓶而不中断供气
【判断题】
消防员隔热防护服的款式为分体式隔热服和连体式隔热服两种
【判断题】
浮艇消防泵一般是由汽油机、单级离心泵、引水装置、手抬框架、进水部件、出
【判断题】
不准将30MPa压力的气瓶连接最高输入20MPa压力的减压器上
【判断题】
消防空气呼吸器的密封件和少数零件在装配时，只准涂少量硅脂，但不准涂油或油脂
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【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！
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-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
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-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
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- Hi, Jim! Nice to meet you.____.
A. Certainly
B. Many thanks
C. OK
D. Nice to meet you, too
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- 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.
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- Will you join us for lunch?____.
A. No, I won't
B. Yes, with pleasure
C. Yes, please
D. Yes, help yourself
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- 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
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- 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.
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- 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
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- How was your journey to Paris? - ____
A. It went very well.
B. I flew there.
C. I love Paris.
D. Thank you for asking.
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- I'm sorry for being late, Mr Lt______.
A. All right
B. That's right
C. Not at all
D. Never mind
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- Happy birthday to you! ___!
A. Happy birthday to you
B. I'm very glad
C. That's all right
D. Thank you
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- 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
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- Have a cup of tea, ____? Thanks a lot.
A. don't you
B. haven't you
C. shall we
D. will you
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- 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
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— Write to me when you get home. OK, I ______.
A. must
B. should
C. will
D. can
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Tom is so talkative. I’m sure you'll soon get tired ___ him.
A. of
B. with
C. at
D. on
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I don't know ____ to deal with such matter.
A. what
B. how
C. which
D. /
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___ is your girl friend like? She is very kind and good-looking.
A. How
B. What
C. Which
D. Who
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He ___ driving me home, even though I told him I lived nearby.
A. insisted on
B. insisted at
C. insisted that
D. insisted in
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We came finally ___the conclusion that she has been telling lies all the time.
A. of
B. into
C. to
D. at
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I won’t make the___mistake next time.
A. like
B. same
C. near
D. similar
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He ___lives in the house where he was born.
A. already
B. yet
C. still
D. ever
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I am not used to speaking ___ public.
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I didn’t know what to do, but then an idea suddenly ___to me.
A. appeared
B. happened
C. occurred
D. emerged
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Measles （麻疹） ___ a long time to get over.
A. spend
B. spends
C. take
D. takes
【单选题】
A pair of spectacles ___ what I need at the moment.
A. is
B. are
C. has
D. have
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— Five days ___ too long for me to wait.
A. was
B. were
C. is
D. are
【单选题】
You had better ___ a doctor as soon as possible.
A. seeing
B. saw
C. see
D. seen
【单选题】
The boy is not happy at the new school. He has ___ friends there.
A. few
B. a few
C. little
D. a little
【单选题】
I fell and hurt myself while I ___ basketball yesterday.
A. was playing
B. am playing
C. play
D. played
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Tom ___ more than twenty pounds on the novel.
A. spent
B. paid
C. cost
D. took
【单选题】
Don't forget ____ the window before leaving the room.
A. to have closed
B. to close
C. having closed
D. closing
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Twenty people were___ wounded in the air crash.
A. quickly
B. wrongly
C. bitterly
D. seriously
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The top of the Great Wall is ___ for five horses to go side by side.
A. wide
B. so wide
C. wide enough
D. enough wide
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We’ve missed the last bus. I'm afraid we have no ___but to take a taxi.
A. way
B. choice
C. possibility
D. selection
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Nancy is considered to be ____ the other students in her class.
A. less intelligent
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C. intelligent as well
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It's _____ that he was wrong.
A. clearly
B. clarity
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There ____ a book and some magazines on the desk.
A. is
B. be
C. have
D. has
