【单选题】
—_______ is it from Beijing to Tianjin?
—It's about 137 kilometers.
A. How far
B. How long
C. How fast
D. How much
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相关试题
【单选题】
—_______ Jenny ______ to school?
—No，she doesn't.She goes by bike.
A. Does；walk
B. Does；on foot
C. Do; take
D. Do; by train
【单选题】
It takes me _______ hour to do it.
【单选题】
His school is 20 kilometers _______ from my school but we meet every week.
A. far
B. away
C. to
D. far to
【单选题】
—_______ is it from the village to your farm?
—About 10 minutes' walk.
A. How often
B. How soon
C. How long
D. How far
【单选题】
—How _______ does it take to get to school?
—It takes about 15 minutes.
A. long
B. much
C. many
D. far
【单选题】
—How does that boy go to school?
—_______．
A. In a ropeway
B. By a ropeway
C. On a ropeway
D. On ropeway
【单选题】
This is _______ boy.
A. a 11 years old
B. an 11-year-old
C. a 11-year-old
D. an 11 years old
【单选题】
The river runs ______ so we are afraid ______ the river.
A. quick；to cross
B. quickly；cross
C. quickly；to cross
D. quick；cross
【单选题】
It usually takes me about 20 minutes _______ my homework every day.
A. do
B. does
C. to do
D. doing
【单选题】
It's not easy _______ school on a ropeway.
A. to go
B. to go to
C. go
D. go to
【单选题】
—How are you going to the train station to meet your aunt?
—I'm going there _______ car.
【单选题】
Sam has a bike. He ______ it to school every day.
A. takes
B. rides
C. walks
D. drives
【单选题】
Our holiday is coming. Two _______ students of our school want to have a trip.
A. hundred
B. hundreds
C. hundred of
D. hundreds of
【单选题】
Look！There is _______ boy over there. Do you know him?
A. a 8-year-old
B. an 8-year-old
C. a 8 years old
D. an 8 years old
【单选题】
Kate is _________ girl. She's very happy at school.
A. a eight-year-old
B. a eight-years-old
C. an eight-years-old
D. an eight-year-old
【单选题】
Mike usually goes to school_________subway.
【单选题】
—Is this your bike，Jane?
—Yes，it is. I_________it to school every day.
A. get
B. ride
C. take
D. drive
【单选题】
Mom，my schoolbag is too old. Can you buy me a_________one?
A. new
B. big
C. small
D. short
【单选题】
Tina likes music and her_________is to be a great musician.
A. habit
B. work
C. dream
D. name
【单选题】
I'm busy today，so I'm_________that I can't go to your party in the afternoon.
A. happy
B. afraid
C. right
D. free
【单选题】
The workers will build a new railroad _________ the two cities.
A. since
B. between
C. as
D. during
【单选题】
We need to buy some fruit_________apples，pears and bananas.
A. about
B. with
C. like
D. for
【单选题】
It_________me about two hours to do my homework every evening.
A. takes
B. makes
C. needs
D. asks
【单选题】
—_________does your father go to work?
—He takes the bus.
A. What
B. How
C. When
D. Why
【单选题】
—John will go to the USA.Is that_________？
—Yes. He wants to see his grandparents.
A. true
B. easy
C. same
D. big
【单选题】
—How do they_________the river?
—By boat.
A. find
B. know
C. think
D. cross
【单选题】
—_________is it from here to the bus stop?
—About five minutes' walk.
A. How long
B. How much
C. How old
D. How far
【单选题】
—What do you_________the TV show?
—It's boring.I don't like it.
A. come on
B. think of
C. talk to
D. play with
【单选题】
I don't know_________.Can you tell me?
A. where she live
B. where does she live
C. where she lives
D. where do she live
【单选题】
Mr. Brown has ___________ eight-year-old daughter.
【单选题】
Jill's father usually goes to work ___________ car.
【单选题】
On the table，I see lots of fruit ___________ apples，bananas and oranges.
A. like
B. for
C. with
D. about
【单选题】
Half of one hundred is ___________.
A. fifty
B. sixty
C. eighty
D. ninety
【单选题】
My bag is too old. I need to buy a ___________ one.
A. big
B. new
C. tidy
D. easy
【单选题】
I'm busy today，so I'm ___________ I can't go to your birthday party.
A. cool
B. happy
C. free
D. afraid
【单选题】
—My ___________ is to be a teacher.
—I think it can come true.
A. dream
B. job
C. work
D. habit
【单选题】
—How long does it ___________ them to finish the work?
—About three hours.
A. get
B. take
C. need
D. make
【单选题】
The ___________ girl can play the piano well.
A. seven years old
B. seven-years-old
C. seven-years old
D. seven-year-old
【单选题】
—There is no bridge over the river. How can we ___________ it?
—By boat.
A. draw
B. find
C. clean
D. cross
【单选题】
—What do you __________ the story?
—It's funny.
A. talk to
B. look at
C. play with
D. think of
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ZPW-2000R型无绝缘轨道电路在2300Hz区段补偿电容参数满足的指标及范围是_______。[321010104]___
A. 28uF±1.4uF
B. 30uF±1.5uF
C. 33uF±1.65uF
D. 40uF±2.0uF
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ZPW-2000R型无绝缘轨道电路在2600Hz区段补偿电容参数满足的指标及范围是_______。[321010104]___
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C. 33uF±1.65uF
D. 40uF±2.0uF
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C. 3.9V～8.1V
D. 3.9V～9V
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B. 200A
C. 250A
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【单选题】
ZP·W1-18型无绝缘移频自动闭塞,区间发送盒报警电压_______。[322040101]___
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C. AC30.0V～35.2V
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【单选题】
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B. AC3.4V±0.4V
C. DC3.4V±0.4V
D. AC4.0V±0.4V
【单选题】
ZP·W1-18型无绝缘移频自动闭塞,区间功放盒功出电压_______。[321040101]___
A. AC150V～210V
B. DC150V～210V
C. AC100V～200V
D. DC100V～250V
【单选题】
ZP·W1-18型无绝缘移频自动闭塞,接收盒绿灯继电器电压_______。[321040101]___
A. AC18.0V±1.0V
B. DC18.0V±1.0V
C. AC23.0V±3.0V
D. DC23.0V±3.0V
【单选题】
ZP·W1-18型无绝缘移频自动闭塞,站内发送盒报警电压_______。[321030201]___
A. AC18.3V～25.0V
B. DC20.0V～27.0V
C. AC23.0V～29.0V
D. DC25.0V～30.0V
【单选题】
ZP·W1-18型无绝缘移频自动闭塞, 站内发送盒频率功出电压_______。[321010104]___
A. AC3.4V±0.4V
B. DC3.4V±0.4V
C. AC4.0V±0.8V
D. DC4.0V±0.8V
【单选题】
ZP·W1-18型无绝缘移频自动闭塞, 站内功放盒功出电压_______。[321010104]___
A. AC18.0V～35.0V
B. DC18.0V～35.0V
C. AC20.0V～40.0V
D. DC20.0V～40.0V
【单选题】
ZP·W1-18型无绝缘移频自动闭塞, 室内发送电源盒功入电压_______。[321010104]___
A. AC150V～210V
B. DC150V～210V
C. AC200V～260V
D. DC200V～260V
【单选题】
ZP·W1-18型无绝缘移频自动闭塞, 室内发送电源盒功出电压_______。[331010104]___
A. AC65V～210V
B. DC65V～210V
C. AC90V～240V
D. DC90V～240V
【单选题】
UM71型无绝缘轨道电路自动闭塞,轨道继电器N.S1·24·0·4的线圈电阻为_______。[321010102]___
A. 250Ω±10.0Ω
B. 250Ω±12.5Ω
C. 280Ω±12.5Ω
D. 300Ω±14.5Ω
【单选题】
UM71型无绝缘轨道电路自动闭塞,轨道继电器N.S1·24·0·4的额定电压为_______。[321010102]___
A. 20V
B. 22V
C. 24V
D. 28V
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UM71型无绝缘轨道电路自动闭塞,轨道继电器N.S1·24·0·4的最大吸起电流为_______。[321010102]___
A. 50mA
B. 55mA
C. 60mA
D. 64mA
【单选题】
UM71型无绝缘轨道电路自动闭塞,轨道继电器N.S1·24·0·4的最小落下电流为_______。[321010102]___
A. 10mA
B. 20mA
C. 30mA
D. 40mA
【单选题】
CTCS-2列控车载设备可以在_______之内解调轨道电路接收的列控信息。[312010103]___
A. 1.5s
B. 1.6s
C. 1.7s
D. 1.8s
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ZP·DJ型非电气化区段多信息移频轨道电路, 用0.06Ω标准分路电阻线,在轨道电路不利处所轨面上分路时,接收盒限入残压不大于_______,轨道电路应可靠落下。[312010102]___
A. 60mV
B. 70mV
C. 90mV
D. 95mV
【单选题】
ZP·DJ型非电气化区段多信息移频轨道电路, 在机车入口端轨面,用_______标准分路电阻线分路时,应满足动作机车信号的最小短路电流的要求。[313010102]___
A. 0.03Ω
B. 0.04Ω
C. 0.05Ω
D. 0.06Ω
【单选题】
安装CTCS2-200H 型列控车载设备速度传感器时，通过垫片调整(轴端齿轮)的齿顶和传感器的磁极顶端的差，使其差在_______的范围之间。[321030202]___
A. 0.7mm+0.3mm
B. 0.7mm+0.5mm
C. 0.8mm+0.3mm
D. 0.8mm+0.5mm
【单选题】
CTCS-2列控系统中在顶棚速度监视区CSM，最大常用制动的限速值大于MRSP的值_______。[331000000]___
A. 3km/h
B. 5km/h
C. 10km/h
D. 15km/h
【单选题】
CTCS-2列控系统车载设备中在顶棚速度监视区CSM，紧急制动的限速值大于最大常用制动限速值_______。[331000000]___
A. 3km/h
B. 5km/h
C. 10km/h
D. 15km/h
【单选题】
CTCS-2列控系统车载设备在引导运行中从轨道电路接收 HB 码后在轨道电路出口处形成 NBP为_______的模式曲线。[331000000]___
A. 25km/h
B. 30km/h
C. 35km/h
D. 40km/h
【单选题】
在目视行车模式中CTCS-2列控系统车载设备接收到禁止信号或无信号时，列车停车后，根据行车管理办法(含调度命令)，司机经特殊操作(如按压专用按钮)，列控车载设备生成固定限制速度_______。[332000000]___
A. 10km/h
B. 15km/h
C. 20km/h
D. 25km/h
【单选题】
在调车监控模式中CTCS-2列控系统车载设备控制车列运行时，限制速度 _______。[312000000]___
A. 30km/h
B. 40km/h
C. 45km/h
D. 50km/h
【单选题】
ZY7-F180/4000直流电液转辙机动作杆动程为_______。___
A. 160mm
B. 180mm
C. 200mm
D. 220mm
【单选题】
ZY7-F180/4000直流电液转辙机动作时间不大于_______。___
A. 3.8s
B. 5.5s
C. 7s
D. 9s
【单选题】
ZY7-J170/4000直流电液转辙机额定电压为DC_______。___
A. 160V
B. 170V
C. 220V
D. 380V
【单选题】
ZY7-J170/4000直流电液转辙机额定转换力为_______。___
A. 3kN
B. 4kN
C. 5kN
D. 6kN
【单选题】
ZY7-J170/4000直流电液转辙机动作杆动程为_______。___
A. 170mm
B. 180mm
C. 200mm
D. 220mm
【单选题】
ZY7-J170/4000直流电液转辙机工作电流不大于_______。___
A. 1A
B. 1.5A
C. 2A
D. 2.5A
【单选题】
ZY7-J170/4000直流电液转辙机动作时间不大于_______。___
A. 3.8s
B. 5.5s
C. 8.5s
D. 9s
【单选题】
ZY7-K130/4000直流电液转辙机动作杆动程为_______。___
A. 130mm
B. 170mm
C. 200mm
D. 220mm
【单选题】
ZY7-K130/4000直流电液转辙机动作时间不大于_______。___
A. 3.8s
B. 7s
C. 8.5s
D. 9s
