【单选题】
As a person who loves peace, he is committed ___ realizing peace between countries.
A. of
B. about
C. for
D. to
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【单选题】
Learning how to use chopsticks is easy for me, ___ learning how to conduct myself at the table is quite difficult.
A. whereas
B. however
C. therefore
D. besides
【单选题】
___ that the patient smokes 50 cigarettes a day, it would be reasonable to assume there is some lung damage.
A. To give
B. Giving
C. Given
D. Having given
【单选题】
Kenyan (肯尼亚的) women tend to vote for those who could provide them ___ the necessary food to live on.
A. of
B. with
C. for
D. about
【单选题】
___ all obstacles and failures, the scientist continued doing his experiments day and night.
A. In spite of
B. In contrast to
C. As a matter of
D. As a result of
【单选题】
I’m willing to ___ that a larger car would have cost more, but I still think we should have bought one.
A. withdraw
B. indicate
C. abandon
D. concede
【单选题】
Manufacturing (制造) companies spend millions of pounds on advertisements, trying to ___ customers that their products are better than those of other companies.
A. confine
B. convince
C. depress
D. reconcile
【单选题】
He is not the right person for the project: he is not very technically minded and ___, he does not have the sense of responsibility.
A. instead
B. yet
C. furthermore
D. nevertheless
【单选题】
Death rates declined in many places, partly because of the ___ in hunger.
A. decrease
B. myth
C. obstacle
D. burden
【单选题】
In deciding whether or not a situation is safe, pilots must be taught to assume that the worst will happen, and then to ___ whether there is a risk or not.
A. absorb
B. apply
C. assess
D. occupy
【单选题】
The worker was not worried as he knew that if he gave up the job, there would be ___ opportunities for him to work somewhere else.
A. formative
B. marginal
C. vigorous
D. numerous
【单选题】
The research shows the region might ___ overheating (经济过热), but the policymakers so far appear to be relatively relaxed about the future of the economy.
A. catch a glimpse of
B. be at risk of
C. take a toll on
D. be free from
【单选题】
Measures have been taken to ensure that no student will have to ___ of college for economic reasons.
A. lay out
B. cancel out
C. drop out
D. stand out
【单选题】
Stress that is not treated can lead to significant medical illnesses, which ___ can lead to greater stress and even depression (抑郁症).
A. after all
B. in turn
C. on the contrary
D. at least
【单选题】
Narcissism (自恋) has its benefits in terms of self-belief and confidence, but it also tends to be ___ risky decision-making.
A. associated with
B. contrasted with
C. reserved for
D. relieved of
【单选题】
When Tom saw his doctor again, she suggested that maybe a more substantial lunch, like a sandwich, might ___ his desire to have snacks in the afternoon.
A. count on
B. cut back on
C. hold on to
D. contribute to
【单选题】
You shouldn’t ___ – let your children make their own decisions.
A. interact
B. abuse
C. startle
D. interfere
【单选题】
This is a huge and difficult project and if you take it up, you ___ many difficulties.
A. like to encounter
B. like encountering
C. are likely to encounter
D. are like to encounter
【单选题】
The ability to live for a long time without water is characteristic ___ the camel.
A. of
B. for
C. about
D. in
【单选题】
Rising sales is a good ___ that this product is well received in the market.
A. response
B. convention
C. indication
D. Influence
【单选题】
When tourists travel abroad, they are sometimes ___ by the local people because the tourists don’t know the real value of products.
A. turned in
B. given chase
C. wrapped up
D. ripped off
【单选题】
The professor’s lecture ___ the capacity of his young audience. They all looked puzzled at him.
A. pointed out
B. went beyond
C. contributed to
D. kept off
【单选题】
We must ___ on the amount of time we use on this project.
A. cut both ways
B. cut in line
C. cut off
D. cut down
【单选题】
We have to be very patient with this experiment. It will take time for some effects to ___ clearly.
A. build up
B. break up
C. clear up
D. show up
【单选题】
Perhaps there is a(n) ___ of truth in both theories, but few of us would ever have the opportunity to find out.
A. lump
B. substance
C. section
D. element
【单选题】
Be careful when you get along with her because she is known for her short ___.
A. temper
B. emotion
C. mood
D. feeling
【单选题】
It seems that wearing less formal clothing to school and work is becoming a(n) ___.
A. trend
B. campaign
C. goal
D. occurrence
【单选题】
You cannot correct children’s bad behavior simply with a (n) ___ or two on the hand or face.
A. slap
B. smash
C. slam
D. strike
【单选题】
Our investigations (调查) ___ something very surprising – many of the employees are underpaid and work overtime all the time.
A. reveal
B. bump
C. rip
D. frustrate
【单选题】
She was James’s faithful assistant, in whom he could have ___ confidence.
A. essential
B. automatic
C. ultimate
D. absolute
【单选题】
If you visit this website, you can ___ the categories to find information about all the universities in that area.
A. observe
B. browse
C. glance
D. look
【单选题】
Making New Year’s resolutions (计划) is a custom that still ___ in this country.
A. prevails
B. attaches
C. descends
D. launches
【单选题】
The military officers were more ___ about their own victory and therefore more willing to predict their enemy’s defeat.
A. appropriate
B. ignorant
C. negative
D. optimistic
【单选题】
___ is no doubt that overwork and much worry caused his illness.
A. It
B. There
C. Here
D. This
【单选题】
___ a day goes by that I don’t receive dozens of junk mails in my email box.
A. None
B. Usually
C. Nearly
D. Hardly
【单选题】
Please trust me. Try this new method ___.
A. you feel very relaxed
B. and you feel very relaxed
C. you will feel very relaxed
D. and you will feel very relaxed
【单选题】
John said Mom was coming back tomorrow, not next week. If this is the ___, we’ll all have to clean the house thoroughly.
A. point
B. norm
C. question
D. case
【单选题】
It is far too late for you to go out and play football, ___ the fact that it’s raining.
A. no doubt
B. despite
C. given
D. not to mention
【单选题】
However, under no circumstances should we ___ our achievements, nor should we regard our accomplishments as unimportant.
A. present
B. perceive
C. exemplify
D. exaggerate
【单选题】
Jane picked up a magazine from the bookshelf and started reading here and there ___.
A. accurately
B. randomly
C. emotionally
D. continually
【单选题】
In many Middle Eastern cultures a deadline is taken as a(n) ___, and such terms should not appear in a purchase contract with businessmen from these countries.
A. target
B. favor
C. honor
D. insult
推荐试题
【单选题】
带电设备.线路火灾时，对地电压在___以下的电源，可穿戴绝缘手套，用绝缘电剪将电线剪断。
A. 250V
B. 300V
C. 350V
D. 400V
【单选题】
对能溶于水的有毒或刺激性气体，可喷射雾状水流，降低其在空气中的___。
【单选题】
飞行器事故处置，如发生在几场及其附近区域，力量调集应首先通知___出动。
A. 机场消防队
B. 政府专职消防队
C. 特勤消防队
D. 医疗急救力量
【单选题】
扑救带电设备.线路火灾，电线断落对地短路，参战人员进入积水地面，易形成___，造成触电伤害。
A. 电流
B. 磁场
C. 跨步电压
D. 电场
【单选题】
灭带电设备.线路火时，灭火人员要穿戴绝缘胶靴和手套，必要时穿着___。
A. 均压服
B. 防化服
C. 隔热服
D. 防护服
【单选题】
利用6米或9米二节拉梯.救助绳等迅速将待救者从建筑物的二.三层救出的方法，需___名消防员相互配合，共同操作。
【单选题】
有毒区域火灾中，消防车要从上风方向进入有毒火灾区域。水源和水枪阵地的选择，在不影响火灾扑救效果的前提下，坚持从___进攻为主的原则。
A. 上风方向
B. 侧风方向
C. 下风方向
D. 上.侧风方向
【单选题】
二硝基氯化苯毒性很高，遇明火或受热至___℃以上有引起爆炸或着火的危险
A. 1.5
B. 15
C. 150
D. 1500
【单选题】
浓度高于爆炸上限的混合气体___。
A. 可燃可爆
B. 可燃不爆
C. 不燃不爆
D. 若空气进入有爆炸危险
【单选题】
化学泡沫是扑救___火灾的有效灭火剂。
【单选题】
在火灾发展阶段，当温度不断升高，辐射面积增大，辐射热增加，燃烧扩大可能出现___。
【单选题】
电气线路穿越墙壁.楼层等处的孔洞，要采用___填塞密实。
A. 可燃材料
B. 阻膨胀材料
C. 阻燃材料
D. 不燃烧或难燃烧材料
【单选题】
多用途滤毒罐主要用于氧气含量不低于___，在一定浓度的有害气体场所使用，尤其适合进入狭小和通风条件不好的空间。
A. 13%
B. 15%
C. 17%
D. 19%
【单选题】
凡是受到高温.摩擦.撞击或受到一定物质的激发能瞬间发生分解或复分解化学反应，并以机械功的形式在极短时间内放出较大能量的物质，统称为___。
A. 爆炸物品
B. 自燃
C. 闪燃
D. 燃烧
【单选题】
下列属于神经性毒剂的是___。
A. 芥子气
B. 氢氰酸
C. 路易氏气
D. 沙林
【单选题】
危险化学品生产.储存企业必须具备的条件有：___。①有符合国家标准的生产工艺.设备或储存方式.设施；②工厂.仓库的周边防护距离符合国家标准或国家有关规定；③有符合生产或者储存需要的管理人员和技术人员；④有健全的安全管理制度；⑤符合法律.法规规定和国家标准要求的其他条件。
A. ①②③
B. ②③④⑤
C. ①②④⑤
D. ①②③④⑤
【单选题】
___是消防员在有危险性化学物品和腐蚀性物质的火场和事故现场进行灭火战斗.抢险救援时的一种防护装备。
A. 防火防化服
B. 避火服
C. 隔热服
D. 防毒衣
【单选题】
扑救有毒区域火灾时，当可燃性有毒物质扩散尚未燃烧时，应立即熄灭___内的一切火源，防止发生燃烧或爆炸。
A. 下风方向
B. 沾染区域
C. 扩散区域
D. 上风方向
【单选题】
液下喷射氟蛋白泡沫，为保证泡沫的灭火效能，泡沫喷射的流速不应大于___m/s。
【单选题】
毒物按毒害作用分类，可分为___。①神经性毒剂；②糜烂性毒剂；③全身中毒性毒剂；④失能性毒剂；⑤窒息性毒剂；⑥刺激性毒剂。
A. ①③④⑤⑥
B. ①②③⑤⑥
C. ①②③④⑥
D. ①②③④⑤⑥
【单选题】
地上.半地下以及地下无覆土的卧式罐的燃烧面积，按防护堤内的面积计算，且不超过___m2。
A. 300
B. 350
C. 400
D. 450
【单选题】
属于侦检器材的是___。①热成像仪；②有毒气体探测仪；③核放射探测仪；④音频生命探测仪；⑤视频生命探测仪；⑥军事毒剂侦检仪⑦漏电探测仪。
A. ①②③⑥⑦
B. ①②③④⑤⑥
C. ①②③④⑤⑥
D. ①②③④⑤⑥⑦
【单选题】
硝酸钾.硫磺和炭末混合物，遇火焰或火花能引起爆炸，爆发点为___°。
A. 100
B. 200
C. 300
D. 400
【单选题】
___泡沫灭火剂，可以用于液下喷射泡沫灭火系统。
A. 氟蛋白
B. 蛋白
C. 轻水
D. 抗溶性
【单选题】
在扑救地铁火灾时，应根据灭火战斗的需要，将着火车辆迅速转移到___。
A. 地下车站
B. 区间隧道内
C. 地面停车站
D. 隧道出口
【单选题】
利用水泵接合器向室内管网供水时，应首先注意___
A. 水泵接合器使用范围
B. 水泵接合器耐压能力
C. 水泵接合器的接口形式
D. 水泵接合器的接口口径
【单选题】
便携式智能型有毒气体探测仪，能够同时检测四类气体，即可燃气体.有毒气体.氧气和___。
A. 烟气
B. 核气体
C. 易爆气体
D. 有机挥发气体
【单选题】
具有带电危险特性的危险物品种类有___。
A. 易燃液体
B. 压缩和液化气体
C. 易燃液体.压缩和液化气体
D. 氧化剂和过氧化物
【单选题】
关于内置式重型防化服维护要求下列错误的是___。
A. 关闭装置用小刷子里外清洗，清洗后要倒挂晾干，如有条件可用45℃的恒温箱烘干
B. 如外部沾染化学物质，可用碳酸钠或酸化水中和
C. 面具可用39%的酒精棉或消毒肥皂清洗
D. 每次用后必须用清水或液体肥皂清洗
【单选题】
当钢构件自身温度达到___时，其强度下降2/3。
A. 350℃
B. 500℃
C. 600℃
D. 800℃
【单选题】
根据实际测算，地铁车厢在满员时遇紧急情况，在___秒钟内即可将车厢内人员全部撤出。
【单选题】
地铁各车站间距一般为___左右。
A. 1000m
B. 1500m
C. 2000m
D. 2500m
【单选题】
关于封闭式防化服下列说法错误的是___。
A. 总量约为0.7㎏
B. 轻便，着装迅速
C. 可与所有毒气面罩匹配
D. 能够迅速洗消并重复使用
【单选题】
防毒衣的防毒能力下列说法错误的是___。
A. 防沙林10h左右
B. 防液氯1h左右
C. 防氢氰酸50min左右
D. 防维埃克斯30min左右
【单选题】
封闭式防化服的用途是___。
A. 用于放射性污染.军事毒剂.生化组合毒剂和化学事故现场防护
B. 当眼睛.呼吸道及表皮有直接腐蚀性危害时使用
C. 适用于高温有火灼伤危险的场合
D. 适用于短时间轻度污染的场合
【单选题】
下列危险化学品仓库的防火基本措施说法错误的是___。
A. 仓库一般应有两个以上出口，门向里开
B. 库房要位于地势较高.通风干燥的地点
C. 仓库内最好不设电器设备
D. 贮存氢气等比空气轻的气体钢瓶的库房，顶部最高处应设排气孔
【单选题】
复分解反应的总规律不正确的是___。
A. 强酸与强碱易反应
B. 弱酸与弱碱易反应
C. 强碱与弱酸可反应
D. 强酸与弱碱可反应
【单选题】
下列属于有毒物质密封桶用途的一项是___。
A. 用于输转有毒液体
B. 可迅速抽取各种液体
C. 用于收集并转运有毒物体和污染严重的土壤
D. 可快速有效地吸附酸.碱和其他腐蚀性液体
【单选题】
腐蚀性危险品现场救护时，不正确的选项是___。
A. 迅速将遇险者救离危险区域
B. 注意呼吸道和皮肤的防护
C. 皮肤污染要用棉布彻底擦净
D. 消化道吸入者应立即催吐
【单选题】
甲苯少量残液彻底清理不正确的吸附方法是使用___。
A. 砂土
B. 石灰
C. 水泥粉
D. 液体吸附垫
