团队的功能有( )。
· 导向功能
· 资源分配功能
· 调节功能
· 协同功能
· 激励功能
· 导向功能
· 资源分配功能
· 调节功能
· 协同功能
· 激励功能
答案是：多选题
· 导向功能
· 资源分配功能
· 调节功能
· 协同功能
· 激励功能
· 导向功能
· 资源分配功能
· 调节功能
· 协同功能
· 激励功能
工作分析组织和实施的准备工作包括( )。
· 确定分析目标
· 取得认同
· 取得合作
· 培训工作分析人员
· 评估与计划
· 确定分析目标
· 取得认同
· 取得合作
· 培训工作分析人员
· 评估与计划
答案是：多选题
· 确定分析目标
· 取得认同
· 取得合作
· 培训工作分析人员
· 评估与计划
· 确定分析目标
· 取得认同
· 取得合作
· 培训工作分析人员
· 评估与计划
在访谈过程中,访谈者必须掌握两种基本技巧,即( )。
· 联系访谈对象
· 提问技巧
· 电话访谈技巧
· 访谈技巧
· 着装漂亮
· 联系访谈对象
· 提问技巧
· 电话访谈技巧
· 访谈技巧
· 着装漂亮
答案是：多选题
· 提问技巧
· 访谈技巧
· 提问技巧
· 访谈技巧
影响工作描述的信度因素包括( )。
· 调查所用的工具
· 鉴定者自身因素
· 环境因素
· 统计处理过程
· 企业效益
· 调查所用的工具
· 鉴定者自身因素
· 环境因素
· 统计处理过程
· 企业效益
答案是：多选题
· 调查所用的工具
· 鉴定者自身因素
· 环境因素
· 统计处理过程
· 调查所用的工具
· 鉴定者自身因素
· 环境因素
· 统计处理过程
选择工作分析方法时,企业应考虑的因素包括( )。
· 目的
· 成本
· 工作性质
· 工作样本数量
· 领导人数
· 目的
· 成本
· 工作性质
· 工作样本数量
· 领导人数
答案是：多选题
· 目的
· 成本
· 工作性质
· 工作样本数量
· 目的
· 成本
· 工作性质
· 工作样本数量
工作分析的目的有( )。
· 为确定绩效考核标准提供依据
· 为员工职业发展规划提供帮助
· 为招聘提供依据
· 为确定薪酬体系提供依据
· 为培训提供依据
· 为确定绩效考核标准提供依据
· 为员工职业发展规划提供帮助
· 为招聘提供依据
· 为确定薪酬体系提供依据
· 为培训提供依据
答案是：多选题
· 为确定绩效考核标准提供依据
· 为员工职业发展规划提供帮助
· 为招聘提供依据
· 为确定薪酬体系提供依据
· 为培训提供依据
· 为确定绩效考核标准提供依据
· 为员工职业发展规划提供帮助
· 为招聘提供依据
· 为确定薪酬体系提供依据
· 为培训提供依据
人力资源管理需要实现人职相配。( )
·正确
·错误
·正确
·错误
答案是：判断题
·正确
·正确
职位评估就是工作分析的基础上,对组织中不同工作的重要性(相对价值),亦即
·正确
·错误
·正确
·错误
答案是：判断题
·正确
·正确
职位评估后不能形成职位等级构架。( )
·正确
·错误
·正确
·错误
答案是：判断题
·错误
·错误
职位调查既是对职位的调查也是对职位上人的调查。( )
·正确
·错误
·正确
·错误
答案是：判断题
·错误
·错误
实地观察记录工作日写实应从工作班开始,一直到下班结束。( )
·正确
·错误
·正确
·错误
答案是：判断题
·正确
·正确
— ____________________ — It’s Friday.
·What day is it
·What’s the date today
·What’s the time
·What time is
·What day is it
·What’s the date today
·What’s the time
·What time is
答案是：单选题
·What day is it
·What day is it
— Hello， is that Shanghai Airlines — ____________________
·Yes， caI help you
·Yes， what do you want
·Yes， you’r
·Yes， caI help you
·Yes， what do you want
·Yes， you’r
答案是：单选题
·Yes， can I help you
·Yes， can I help you
— How do I get to the cinema — ____________________
·It’s very far.
·Yes， there is a cinema near here.
·It’s we
·It’s very far.
·Yes， there is a cinema near here.
·It’s we
答案是：单选题
·Go down this street and turn left.
·Go down this street and turn left.
— Whewould you like to schedule the appointment — ____________________
·I like to schedule the appointment.
·How a
·I like to schedule the appointment.
·How a
答案是：单选题
·How about 9:00 tomorrow
·How about 9:00 tomorrow
Not until they got married__________that he is a rude man.
·she knew
·has she known
·she had known
·did she
·she knew
·has she known
·she had known
·did she
答案是：单选题
·has she known
·has she known
Cayou turdowthe _________ of the radio I have a bad headache and want to have a sleep.
·voice
·noise
·
·voice
·noise
·
答案是：单选题
·olume
·olume
I am looking forward to _______from you as sooas possible.
·hear
·be hearing
·hearing
·have heard
·hear
·be hearing
·hearing
·have heard
答案是：单选题
·hearing
·hearing
As Edisogrew_____, he became more and more interested iscience.
·elder
·the elder
·older
·the older
·elder
·the elder
·older
·the older
答案是：单选题
·older
·older
The firema_________great courage isaving the children.
·extend
·contact
·offer
·demonstrate
·extend
·contact
·offer
·demonstrate
答案是：单选题
·demonstrate
·demonstrate
You may ________the matter at the meeting for consideratiothis afternoon.
·make up
·put up
·bring up
·follow
·make up
·put up
·bring up
·follow
答案是：单选题
·bring up
·bring up
Reading several hours without a rest will lower your study_______.
·affection
·efficiency
·effect
·affect
·affection
·efficiency
·effect
·affect
答案是：单选题
·efficiency
·efficiency
Whethe village girl first came to this big city to look for a job, she felt she did not_______ it.
·belong to
·put
·belong to
·put
答案是：单选题
·belong to
·belong to
Thomas, who came to Guiliteyears ago, finds that the city_______ greatly from what it used to be .
·different
·dif
·different
·dif
答案是：单选题
·differs
·differs
I tried hard, but I couldn’t find the __________to the problem.
·solution
·help
·reply
·demand
·solution
·help
·reply
·demand
答案是：单选题
·solution
·solution
-- Good morning, sir. May I help you--
· No. I don’t buy anything.
· No, I don’t need your help.
· No. I don’t buy anything.
· No, I don’t need your help.
答案是：单选题
·C
·C
The announcements ____ that the electiowould take place oJune 20th.
· infirm
· inform
· confirm
· comfort
· infirm
· inform
· confirm
· comfort
答案是：单选题
· confirm
· confirm
New buildings have bee____ up everywhere icities and towns since China begathe reform and open-door policy.
· appeari
· appeari
答案是：单选题
· springing
· springing
Many new arrivals have difficulty ____ themselves to life ia foreigcountry.
· adjust
· adjusting
· to
· adap
· adjust
· adjusting
· to
· adap
答案是：单选题
· adjusting
· adjusting
The government has ____ one milliofor a new hospital ithis region.
· planned
· budgeted
· managed
· collecte
· planned
· budgeted
· managed
· collecte
答案是：单选题
· budgeted
· budgeted
All students iour school have ____ to the library during the summer holiday.
· means
· way
· access
· choice
· means
· way
· access
· choice
答案是：单选题
· access
· access
We should ____ what we have learned iclass to the experiment.
· use
· utilize
· appeal
· apply
· use
· utilize
· appeal
· apply
答案是：单选题
· apply
· apply
The house I want to buy will be ___ iJune.
· necessary
· sold
· available
· ordered
· necessary
· sold
· available
· ordered
答案是：单选题
· available
· available
The disease is spreading, and all childreunder 5 are ____.
· irisk
· at risk
· under risk
· of risk
· irisk
· at risk
· under risk
· of risk
答案是：单选题
· at risk
· at risk
Through this event, Eric has proved himself to be ____ of making important decisions.
· able
· talented
· capab
· able
· talented
· capab
答案是：单选题
· capable
· capable
-- What’s the date tomorrow--
· It’s May 15th.
· It’s Wednesday.
· It’s May.
· It’s Teachers’ Day.
· It’s May 15th.
· It’s Wednesday.
· It’s May.
· It’s Teachers’ Day.
答案是：单选题
· It’s May 15th.
· It’s May 15th.
Although she knows that her friend is very______, sometimes Mary doesn’t understand her actions.
·well-meaning<
·well-meaning<
答案是：单选题
·well-meaning
·well-meaning
-“Would you like to play chess with me”-“Sorry, I have to finish my homework before my mother______ back.”
·comes
·comes
答案是：单选题
·comes
·comes
People know that babies cry by ____ whethey are hungry.
· instinct
· construct
· introduction
· instruction
· instinct
· construct
· introduction
· instruction
答案是：单选题
· instinct
· instinct
It was reported that ______ people ithis area were saved ithe flood. ( )
·hundreds of
·hundred
·some hundreds
·hundreds of
·hundred
·some hundreds
答案是：单选题
·hundreds of
·hundreds of
The hunter______________the rope we threw to him and climbed up the cliff.
·gave
·clutched
·responded
·fetch
·gave
·clutched
·responded
·fetch
答案是：单选题
·clutched
·clutched
( )Two nuclear power stations ______ ithe past teyears.
·have beebuilt
·built
·would be built
·are built
·have beebuilt
·built
·would be built
·are built
答案是：单选题
·built
·built
( )You may borrow this book_________ you promise to give it back.
·icase
·so long as
·as if
·eveif
·icase
·so long as
·as if
·eveif
答案是：单选题
·so long as
·so long as
( )Studies will be needed to see if the medicine has any ______othe disease.
·wealth
·effect
·price
·market
·wealth
·effect
·price
·market
答案是：单选题
·effect
·effect
It will only take me a minute to get your watch fixed. It will be ready_____________.
·by the way
·right now
·a
·by the way
·right now
·a
答案是：单选题
·right now
·right now
The old mahas two daughters,__________are doctors.
·both of them
·both of whom
·both who
·they both
·both of them
·both of whom
·both who
·they both
答案是：单选题
·both of whom
·both of whom
( )The weather changes______ the season.
·by
·with
·for
·from
·by
·with
·for
·from
答案是：单选题
·with
·with
– Excuse me, where’s the Capital Theatre--
· There’s a statue near.
· It’s two blocks away from here, along the st
· There’s a statue near.
· It’s two blocks away from here, along the st
答案是：单选题
· It’s two blocks away from here, along the street.
· It’s two blocks away from here, along the street.
—Do you mind My taking this seat—______
·Yes, sit
·No, of
·Yes, take it please.
·No, you
·Yes, sit
·No, of
·Yes, take it please.
·No, you
答案是：单选题
·No, of
·No, of
Hardly ever _________ get a good job these days without a good education.
·people might
·do people
·people can<
·people might
·do people
·people can<
答案是：单选题
·do people
·do people
-- Excuse me, cayou tell me the time--
· Yes. I can.
· It’s Sunday.
· It’s five thirty.
· It’s February.
· Yes. I can.
· It’s Sunday.
· It’s five thirty.
· It’s February.
答案是：单选题
· It’s five thirty.
· It’s five thirty.
Hele______ her keys ithe office so she had to wait until her husband ______ home. ( )
·had left; would come
·left;
·had left; would come
·left;
答案是：单选题
·had left; came
·had left; came
–It’s great that you got into such a good university.–_________ (本题2.0分)
·Oh, that’s nothing.
·Don’t mentioit.
·Oh, that’s nothing.
·Don’t mentioit.
答案是：单选题
·I had
·I had
My grandma was so________of flying that she always preferred to take a train.
·enjoy
·keen
·scared
·scaled
·enjoy
·keen
·scared
·scaled
答案是：单选题
·scared
·scared
They could hardly believe what he said, _________.
·so
·neither
·neither
·neither I
·so
·neither
·neither
·neither I
答案是：单选题
·neither
·neither
By the time he was 12, Ediso______ to make a living by himself. ( )
·would begin
·has begun
·had begun
·was
·would begin
·has begun
·had begun
·was
答案是：单选题
·had begun
·had begun
I’d almost giveup hope of finding a house I liked, and thesuddenly this one__________ .
·turned over
·turned on
·turned over
·turned on
答案是：单选题
·turned up
·turned up
( )They could hardly believe what he said, _________.
·so could I
·neither couldn’t I
·neither could I
·neit
·so could I
·neither couldn’t I
·neither could I
·neit
答案是：单选题
·neither could I
·neither could I
---- 27 degrees Celsius.
· The temperature may be higher.
· How is the weather today
· What’s the temperature t
· The temperature may be higher.
· How is the weather today
· What’s the temperature t
答案是：单选题
· What’s the temperature today
· What’s the temperature today
Seldom_______my boss isuch good mood (心情) since I came to work ithis company.
·I saw
·I have seen
·have I seen<
·I saw
·I have seen
·have I seen<
答案是：单选题
·have I seen
·have I seen
His_________ is so great that money doesn’t meamuch to him.
·idea
·idea
答案是：
The faster anything goes up into the sky, _________.( )
·it reaches the highest
·it reaches the higher
·the hig
·it reaches the highest
·it reaches the higher
·the hig
答案是：单选题
·the higher it reaches
·the higher it reaches
Dinner will be ready____________. Let's go and wash our hands.
·at all
·at least
·just now
·right away
·at all
·at least
·just now
·right away
答案是：单选题
·right away
·right away
The notice othe lobby reminds all the guests to make sure that their _______are well protected.
·values
·valueless
·values
·valueless
答案是：单选题
·valuables
·valuables
( )Alexander Bell invented_________.
·a telephone
·telephone
·telephones
·the telephone
·a telephone
·telephone
·telephones
·the telephone
答案是：单选题
·the telephone
·the telephone
( )I enjoy listening to Miss. White, my English teacher, ______I caonly understand about half of what she says.
·the;
·the;
答案是：单选题
·/; the
·/; the
( )The doctor_________ him to eat less meat.
·hopes
·suggests
·insists
·advises
·hopes
·suggests
·insists
·advises
答案是：单选题
·advises
·advises
The machine will continue to make much noise___________we have it repaired.
·when
·because
·if
·unless
·when
·because
·if
·unless
答案是：单选题
·unless
·unless
-- What’s the weather like today--
· I like it very much.
· It looks like it.
· It’s well.
· It’s rather win
· I like it very much.
· It looks like it.
· It’s well.
· It’s rather win
答案是：单选题
· It’s rather windy.
· It’s rather windy.
I worked there for several days, gradually _____ the truths of the trade by trail and error.
·inquiring
·acquiring
·inquiring
·acquiring
答案是：单选题
·acquiring
·acquiring
The doctor told Perky that too mich _____ to the suis bad for her skin.
·extension
·exhibition
·expansion
·e
·extension
·exhibition
·expansion
·e
答案是：单选题
·exposure
·exposure
I don’t speak English to those _____ don’t know Englsh. Otherwise they’ll think I am showing off my English knowledge.
答案是：单选题
·who
·who
Johand Henry went to leardriving together, but _____ passed the driving test.
·either
·neither
·both
·or
·either
·neither
·both
·or
答案是：单选题
·neither
·neither
It took her a while to adjust to _____ without a kid after her chld went to university.
·live
·living
·lived
·live
·living
·lived
答案是：单选题
·living
·living
_____ should be takecare of properly.
·Old
·The old
·Oldness
·The oldness
·Old
·The old
·Oldness
·The oldness
答案是：单选题
·The old
·The old
_____ her parents’objection, she went odoing what she had decided to do.
·Ispite
·Idespite
·Spite of
·Despit
·Ispite
·Idespite
·Spite of
·Despit
答案是：单选题
·Despite
·Despite
The boy insisted _____ what the problem was, although the others gave up.
·to find out
·ofinding out
·ifinding
·to find out
·ofinding out
·ifinding
答案是：单选题
·on finding out
·on finding out
There was no news; _____, she went ohoping.
·but
·yet
·nevertheless
·moreover
·but
·yet
·nevertheless
·moreover
答案是：单选题
·nevertheless
·nevertheless
Mike works as a _____ of the owner of constructioproject iChina.
·represent
·representation
·representative
·represent
·representation
·representative
答案是：单选题
·representative
·representative
I have _____ misread the situatioand made the wrong decision.
·utter
·utterly
·utterable
·uttermost
·utter
·utterly
·utterable
·uttermost
答案是：单选题
·utterly
·utterly
Yesterday Tom signed a _____ with the landlady.
·five-year contract
·five-years contract
·five-year’s contract<
·five-year contract
·five-years contract
·five-year’s contract<
答案是：单选题
·five-year contract
·five-year contract
A wise mother never _____ her childreto the slightest possibility of danger.
·exposes
·sustains
·controls
·i
·exposes
·sustains
·controls
·i
答案是：单选题
·induces
·induces
The flight was delayed for two hours owing to _____ reasons.
·adaptive
·alterative
·extensive
·technical
·adaptive
·alterative
·extensive
·technical
答案是：单选题
·technical
·technical
These diseases affect childreand are highly _____ .
·negative
·infectious
·evident
·primary
·negative
·infectious
·evident
·primary
答案是：单选题
·infectious
·infectious
Many of the goods they produce are not for national _____ but for export.
·reproduction
·service
·consumption
·reproduction
·service
·consumption
答案是：单选题
·consumption
·consumption
Do you think it’s withihis _____ to follow the complicated instructions and do the job without making a mess of it
·m
·m
答案是：单选题
·capacity
·capacity
Though living idifferent countries, the two families have _____ close links.
·maintained
·confronted
·managed
·maintained
·confronted
·managed
答案是：单选题
·maintained
·maintained
The project wasted a _____ amount of time and money.
·consider
·considerate
·considerable
·consideration
·consider
·considerate
·considerable
·consideration
答案是：单选题
·considerable
·considerable
We should give _____ to our health.
·priority
·privacy
·property
·primary
·priority
·privacy
·property
·primary
答案是：单选题
·priority
·priority
There are trees that can( ) the house from the wind.
·soar
·admire
·capture
·shelter
·soar
·admire
·capture
·shelter
答案是：单选题
·shelter
·shelter
The( )of one’s outlook is greatly influenced by the environment iwhich he lives.
·force
·form
·formation
·fo
·force
·form
·formation
·fo
答案是：单选题
·formation
·formation
Whewe were approaching, a big country house came ( ) view.
·off
·into
·away
·at
·off
·into
·away
·at
答案是：单选题
·into
·into
The bread we bought last week is no longer( ).
·edible
·useful
·clean
·suitable
·edible
·useful
·clean
·suitable
答案是：单选题
·edible
·edible
He feels( ) of having asked such a silly question.
·triumph
·miserable
·ashamed
·sustainable
·triumph
·miserable
·ashamed
·sustainable
答案是：单选题
·ashamed
·ashamed
There was a(n) ( ) of happiness oevery face at the wedding.
·display
·expression
·exhibition
·show
·display
·expression
·exhibition
·show
答案是：单选题
·expression
·expression
He considered his freedom more( ) thahis owlife.
·valued
·precise
·precious
·expensive
·valued
·precise
·precious
·expensive
答案是：单选题
·precious
·precious
We must ( ) him to be innocent until he is proved quilty.
·assume
·assure
·think
·believe
·assume
·assure
·think
·believe
答案是：单选题
·assume
·assume
is knowto all , dirty and disease go _____
·It; ihand
·As ; hand ihand
·As ; ihand \t
·．It ; hand ihan
·It; ihand
·As ; hand ihand
·As ; ihand \t
·．It ; hand ihan
答案是：单选题
·As ; in hand \t
·As ; in hand \t
The old couple were ( ) with excitement whethey received the good news from their son.
·sighing
·freezing
·movi
·sighing
·freezing
·movi
答案是：单选题
·trembling
·trembling
He was iurgent need of money. And( ) he decided to sell his house.
·reluctantly
·willingly
·happily
·possibl
·reluctantly
·willingly
·happily
·possibl
答案是：单选题
·reluctantly
·reluctantly
You will need( )from the council to extend your garage.
·persist
·perceive
·permission
·percent
·persist
·perceive
·permission
·percent
答案是：单选题
·permission
·permission
There are many books about how to( )a product successfully.
·launch
·fire
·spring
·introduce
·launch
·fire
·spring
·introduce
答案是：单选题
·launch
·launch
The fashioindustry is always desperate for( ).
·formation
·innovation
·novelty
·intrusion
·formation
·innovation
·novelty
·intrusion
答案是：单选题
·innovation
·innovation
Take your time . There is no need to( ).
·rush
·dash
·push
·mash
·rush
·dash
·push
·mash
答案是：单选题
·rush
·rush
He seems very( ) about this project.
·enthusiasm
·enthusiastic
·enthusiast
·entertain
·enthusiasm
·enthusiastic
·enthusiast
·entertain
答案是：单选题
·enthusiastic
·enthusiastic
Acting is very( ) ----you’ve got to really push yourself if you want to succeed.
·conflicting
·competitive
·str
·conflicting
·competitive
·str
答案是：单选题
·competitive
·competitive
Hongkong’s attractiolies iits cultural( ).
·variety
·diverge
·diagram
·diversity
·variety
·diverge
·diagram
·diversity
答案是：单选题
·diversity
·diversity
粘土砖在砌筑墙体前一定要经过浇水润湿，其目的是为了（ ）。
·把砖冲洗干净
·保持砌筑砂浆的稠度
·增加砂浆对砖的胶结力
·把砖冲洗干净
·保持砌筑砂浆的稠度
·增加砂浆对砖的胶结力
答案是：单选题
·保持砌筑砂浆的稠度
·保持砌筑砂浆的稠度
材料吸水后，将使材料的（ ）提高。
·耐久性
·强度及导热系数
·密度
·表观密度和导热系数
·耐久性
·强度及导热系数
·密度
·表观密度和导热系数
答案是：单选题
·表观密度和导热系数
·表观密度和导热系数
设计混凝土配合比时，选择水灰比的原则是（ ）。
·混凝土强度的要求
·小于最大水灰比
·混凝土强度的要求与最大水灰比的规定
·大于最大水灰比
·混凝土强度的要求
·小于最大水灰比
·混凝土强度的要求与最大水灰比的规定
·大于最大水灰比
答案是：单选题
·混凝土强度的要求与最大水灰比的规定
·混凝土强度的要求与最大水灰比的规定
有一块砖重2625g，其含水率为5%，该湿砖所含水量为_____。
·131.25g
·129.76g
·130.34g
·125g
·131.25g
·129.76g
·130.34g
·125g
答案是：单选题
·131.25g
·131.25g
选择混凝土骨料的粒经和级配应使其（ ）。
·总表面积大，空隙率小
·总表面积大，空隙率大
·总表面积小，空隙率大
·总表面积小，空隙率小
·总表面积大，空隙率小
·总表面积大，空隙率大
·总表面积小，空隙率大
·总表面积小，空隙率小
答案是：单选题
·总表面积小，空隙率小
·总表面积小，空隙率小
混凝土拌合物的塌落度试验只适用粗骨料最大粒经（ ）mm者。
·≤80
·≤60
·≤40
·≤20
·≤80
·≤60
·≤40
·≤20
答案是：单选题
·≤40
·≤40
材质相同的A、B两种材料,已知表观密度ρ0A > ρ0B ,则A材料的保温效果比B材料( )。
·好
·差
·差不多
·好
·差
·差不多
答案是：单选题
·差
·差
防止混凝土中钢筋锈蚀的主要措施（ ）。
·钢筋表面刷油漆
·钢筋表面用碱处理
·提高混凝土的密实度
·加入阻绣剂
·钢筋表面刷油漆
·钢筋表面用碱处理
·提高混凝土的密实度
·加入阻绣剂
答案是：单选题
·提高混凝土的密实度
·提高混凝土的密实度
材料的耐水性指材料___而不破坏，其强度也不显著降低的性质。
·在水作用下
·在压力水作用下
·长期在饱和水作用下
·长期在湿气作用下
·在水作用下
·在压力水作用下
·长期在饱和水作用下
·长期在湿气作用下
答案是：单选题
·长期在饱和水作用下
·长期在饱和水作用下
对混凝土拌合物流动性起决定性作用的是（ ）。
·水泥用量
·用水量
·水灰比
·水泥浆数量
·水泥用量
·用水量
·水灰比
·水泥浆数量
答案是：单选题
·水泥浆数量
·水泥浆数量
下列粉尘中，____的粉尘不可能发生爆炸。
·生石灰
·面粉
·煤粉
·铝粉
·生石灰
·面粉
·煤粉
·铝粉
答案是：单选题
·生石灰
·生石灰
爆炸性气体混合物按照____被分为6组。
·最大试验安全间隙
·最小点燃电流
· MESG 和 MI
·引燃温度
·最大试验安全间隙
·最小点燃电流
· MESG 和 MI
·引燃温度
答案是：单选题
·引燃温度
·引燃温度
下列物质爆炸危险度最高的是____。
·氢气
·苯
·汽油
·乙炔
·氢气
·苯
·汽油
·乙炔
答案是：单选题
·乙炔
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·乙炔