【单选题】
Q4: What does the man remember doing with his brothers?___
A. Surfing in the sea .
B. Collecting seashells .
C. Building sand castles .
D. Jumping in the waves .
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相关试题
【单选题】
Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
A. 89 percent .
B. 84 percent .
C. 76 percent .
D. 71 percent .
【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
B. People aged 25 to 34 .
C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
A. People aged 16 to 24 preferred listening to music most .
B. It was getting more and more popular among the British people .
C. It was the third most popular activity among people aged 55 and over .
D. People aged 25 to 34 listened to music more often than those aged 16 to 24 .
【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and gardening .
D. Younger people spend less time visiting friends and family .
【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice cream .
B. She won the spelling competition at her school .
C. She is going to the state capital for a competition .
D. She "excellence"correctly,but others didn't .
【单选题】
Q2: What happened when the man was 13 years old?___
A. His family moved to Sacramento to settle down .
B. His family bought him a new suit and a new tie .
C. He went to Sacramento for a spelling competition .
D. He won the first prize in the state spelling competition .
【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the first prize .
B. To apologize for not buying him some ice cream .
C. To wish him good luck in the next competition .
D. To congratulate him on winning the first prize .
【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .
【单选题】
Q3: Why is it considered bad luck to see a black cat crossing one’s path?___
A. Because black cats look like witches . e witches .
B. Because black cats were thought to be witches .
C. Because black cats bring seven years of bad luck .
D. Because black cats are hard to notice in darkness .
【单选题】
Q4: According to the passage, what will bring people good luck?___
A. Breaking a mirror on purpose .
B. Catching a falling leaf on one's birthday .
C. Finding a on the ground and picking it up .
D. Dreaming of blowing out the candles in one blow .
【单选题】
Q1: How long will the woman spend on her way to and from work by high-speed train?___
A. 4 hours .
B. 2 hours .
C. 1.5 hours .
D. 45 minutes .
【单选题】
Q2: When does the woman arrive back home by subway?___
A. At 8 .
B. At 7 .
C. At 6 .
D. At 5 .
【单选题】
Q3: According to the woman, in what way will the new high-speed train be a big help to her?___
A. She can either read or rest a little on the train .
B. She can read and respond to emails onthe train .
C. She can travel to many different parts of the city .
D. She can go shopping on her way home from work .
【单选题】
Q4: How will the new high-speed train affect the man?___
A. He can take the train to the old part of the city .
B. He can save a lot of money when he takes the train .
C. He can save 20 minutes to go to work with the train .
D. He can take the train to the airport instead of driving .
【单选题】
Q1: How much time on average do Americans spend on their way to work?___
A. About an hour .
B. More than an hour .
C. About half an hour .
D. More than one and a half hours .
【单选题】
Q2: What is the present situation about Americans’ commuting to work?___
A. More and more Americans spend over an hour getting to work .
B. Over 10 percent of Americans spend less than an hour getting to work .
C. Only New York people spend more than 90 minutes getting to work .
D. Over 10 percent of Americans spend more than 90 minutes getting to work .
【单选题】
Q3: Why does Steven choose to have an extreme commute?___
A. Because gas prices are not high .
B. Because the commute is not tiring .
C. Because he can attend a better school .
D. Because he can have his favorite lifestyle .
【单选题】
Q4: Which of the following is the disadvantage of long commutes?___
A. Traffic jams .
B. Expensive housing .
C. Poorer life quality .
D. A tiring and boring trip .
【单选题】
Q1: What did Katy like about Jason’s last Halloween party?___
A. She liked playing an interesting game .
B. She enjoyed seeing many of her old friends .
C. She enjoyed wearing her Halloween costume .
D. She liked the decorations in Jason's front yard .
【单选题】
Q2: What is the actual reason that Katy doesn’t want to attend Jason’s party?___
A. None of her friends likes Jason .
B. None of Jason's guests is young .
C. She wants to go to Linda's party ..
D. She went to Jason's party last year .
【单选题】
Q3: What is special about Linda’s party?___
A. The party will last four hours .
B. Six people will attend the party .
C. They will have huge bags of candy .
D. They will play a new game called "GuessWho ".
【单选题】
Q4: What will Katy do to solve her problem?___
A. Go to Jason's party .
B. Go to Linda's party .
C. Attend both Jason's and Linda's parties .
D. Celebrate Halloween with her parents .
【单选题】
Q1: What is special about this year’s Black Friday shopping?___
A. Some stores offered bigger holiday discounts .
B. Some stores provided more choices of nightlife.
C. Some stores made efforts to attract young people .
D. Some stores opened much earlier than they used to .
【单选题】
Q2: Why did some stores open at midnight on Thanksgiving night?___
A. To attract young customers .
B. To beat other stores for sale.
C. To let people sleep late the next day .
D. To keep people stay up for the night .
【单选题】
Q3: How many Black Friday shoppers were reported to go to the shops at midnight this year?___
A. 24 percent .
B. 37 percent .
C. 9.5 percent .
D. 23.5 percent .
【单选题】
Q4: What can we learn about the 15-year-old Jenny?___
A. She and her cousins went back home at midnight .
B. She liked the traditional 4 a.m. Black Friday.
C. She preferred midnight shopping to early morning shopping .
D. She and her cousins got up very early to buy discounted items .
【单选题】
Q1: Why did the woman decide to do a triathlon?___
A. Because she did it in college .
B. Because she wanted to be tough .
C. Because her sister did it and liked it .
D. Because her sister said it was good for her .
【单选题】
Q2: When did the man first do a triathlon?___
A. Last year .
B. In college .
C. Last week .
D. In high school .
【单选题】
Q3: How does the man feel about running?___
A. Boring.
B. Scaring .
C. Exciting .
D. Interesting .
【单选题】
Q4: Why doesn’t the woman like swimming in the triathlon?___
A. Because she fears that a big fish might eat her .
B. Because she fears that she would get lost in lakes .
C. Because she doesn't want to scare away small fishes .
D. Because she doesn't like swimming with many people .
【单选题】
Q1: What is the ratio of positive to negative emotions that can make a person happier?___
A. 1:3.
B. 3 :1.
C. 1 :10 .
D. 10 :1.
【单选题】
Q2: What is the most exciting finding about increasing positive emotions?___
A. It improves relationships .
B. It leads to greater success .
C. It helps develop creativity .
D. It contributes to good health .
【单选题】
Q3: What does the speaker say about negative feelings?___
A. People should turn every negative feeling around .
B. Negative feelings can sometimes have positive effects .
C. Negative feelings often cause people to make mistakes .
D. People should never show negative feelings in public places .
【单选题】
Q4: What is the main idea of the passage?___
A. People should learn to manage their emotions .
B. People should be patient with their negative feelings .
C. People should learn to analyze causes of unhappiness .
D. People should identify as many positive feelings as possible .
【单选题】
Q1: What are the man and woman talking about?___
A. Whether nature is magical and kind .
B. Whether nature is powerful and full of risks .
C. Whether Christopher was well prepared for the trip .
D. Whether Christopher's trip to Alaska was worthwhile .
【单选题】
Q2: What can we learn about Christopher?___
A. He made a film about his trip to Alaska .
B. He wrote a story about his trip to Alaska .
C. He died while having an adventure in Alaska .
D. He learned how powerful and risky Alaska was .
【单选题】
Q3: What does the woman think about Christopher taking the trip to Alaska?___
A. He was too foolish .
B. He was really romantic .
C. He had a very kind heart .
D. He had a spirit for trying things .
【单选题】
Q4: Which of the following is NOT mentioned as something that would have saved Christopher’s life?___
A. A gun to hunt .
B. The map of the area .
C. Emergency food supplies .
D.
E. mergency communication equipment .
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【单选题】
轨道电路区段无车占用，轨道继电器落下(开路式)或吸起(闭路式)，轨道电路这种状态就是_______状态。[313010204]___
【单选题】
能够使轨道继电器释放的_______值称为该轨道电路的分路灵敏度。[322010204]___
A. 最小分路电阻
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C. 最小分路电流
D. 最大分路电流
【单选题】
JZXC-480型轨道电路：在轨道电路分路不利处所的轨面上，用0.06Ω标准分路电阻线分路时，轨道继电器的交流端电压不大于2.7V，继电器应_______。[323010204]___
A. 可靠吸起
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C. 保持吸起
D. 保持落下
【单选题】
JZXC-480型轨道电路测试盘上的表头发生短路故障时，_______发生烧保险故障。[322010204]___
A. 会
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C. 不会
D. 有车占用时会
【单选题】
JZXC-480型轨道测试盘上同时只能测试一个轨道电路区段的_______。[311010204]___
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【单选题】
CTCS-2列控系统应答器设置在_______。[312030204]___
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D. 闭塞分区任意位置
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自动闭塞区间通过色灯信号机编号为888的是指_______。[322000000]___
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C. 上行88km，700～900m处的信号机
D. 下行88km，700～900m处的信号机
【单选题】
TYJL-Ⅱ型计算机联锁系统在驱动单元的驱动信号端和驱动回线(高电位)端测量驱动电源的电压时，应为_______的脉动电压。[321010102]___
A. 1V～2V
B. 2V～3V
C. 3V～4V
D. 4V～7V
【单选题】
胶接式绝缘接头、粘接式绝缘轨距杆的绝缘电阻值应大于_______。[323010103]___
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C. 1.5MΩ
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【单选题】
单相整流电路按其电路结构特点来分，有半波、全波、_______三种整流电路。[323010102]___
【单选题】
滤波电容器的数值一般在几微法到几百微法，其耐压应大于负载的输出电压_______。[222000000]___
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【单选题】
微分电路RC时间常数τ_______输入波形周期。[332010102]___
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为提高电容器的容量和减小体积，两电极之间介质采用电解质，这种电容器称为_______，使用时应注意电容器正、负的极性。[232000000]___
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C. 电解电容器
D. 涤纶电容器
【单选题】
_______的测量，多数是测量峰—峰值或是峰到波谷之间的数值。[332010102]___
A. 交流
B. 交流分量
C. 直流
D. 脉冲电压
【单选题】
放大器中的电流负反馈电路，主要起稳定工作点和_______的作用。[322010102]___
A. 抗干扰
B. 直接耦合
C. 输入阻抗高
D. 限流
【单选题】
在输入电源、旁路或电池供电之间任意切换，UPS的转换时间均应小于_______。[321010102]___
A. 4ms
B. 6ms
C. 8ms
D. 10ms
【单选题】
UPS的最小容量应能满足计算机信息记录、储存、退出系统等有关运行所需的时间，应不少于_______。[321010102]___
A. 3min
B. 5min
C. 8min
D. 10min
【单选题】
CTCS-2中，下列_______为紧急制动模式。[321010104]___
A. EB
B. NB
C. W.REL
D. SW
【单选题】
当用针式打印机打印时，发现打印出的文字变淡，应_______。[321000000]___
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【单选题】
“中国列车运行控制系统”的英文缩写是_______。[321000000]___
A. CTC5
B. TDCS
C. CTC
D. CTCS
【单选题】
CTCS2－200H型车载列控系统“车载安全计算机”的英文缩写是_______。[321000000]___
A. VC
B. BTM
C. TIU
D. DRU
【单选题】
CTCS2－200H型车载列控系统“应答器信息接收单元”的英文缩写是_______。[321000000]___
A. VC
B. BTM
C. TIU
D. DRU
【单选题】
CTCS2－200H型列控系统“记录单元”的英文缩写是_______。[321000000]___
A. VC
B. BTM
C. TIU
D. DRU
【单选题】
CTCS2－200H型列控系统“制动接口单元”的英文缩写是_______。[321000000]___
A. VC
B. BTM
C. TIU
D. DRU
【单选题】
列控车载设备“车载安全计算机”的英文缩写是_______。[321030101]___
A. VC
B. STM
C. BTM
D. DRV
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_______的既有提速线路，客运专线，宜采用CTCS-2级列控系统。[322000000]___
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B. 160km/h～200km/h
C. 200km/h～250km/h
D. 250km/h～300km/h
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A. 40℃
B. 50℃
C. 60℃
D. 70℃
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CTCS-2列控系统车载设备输入额定工作电压为_______。[322010102]___
A. DC110V
B. DC220V
C. AC110V
D. AC220V
【单选题】
CTCS-2列控系统车载设备输入最大工作电压为_______。[322010102]___
A. DC110V
B. DC137.5V
C. AC110V
D. AC137.5V
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CTCS-2列控系统车载设备输入最低工作电压为_______。[322010102]___
A. DC36V
B. DC77V
C. AC36V
D. AC77V
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CTCS根据系统配置按功能划分为_______级。[323000000]___
【单选题】
XDZ型多功能信号点灯装置主丝断丝时，应能自动转换到副灯丝，转换时间小于_______。[322010101]___
A. 0.1s
B. 0.2s
C. 0.3s
D. 0.5s
【单选题】
DDXL-34型防雷信号点灯转换单元空载时，其二次端子电压的误差应不大于额定电压值的_______。[321010101]___
A. ±2%
B. ±3%
C. ±5%
D. ±8%
【单选题】
DDXL-34型防雷信号点灯转换单元满载时，其二次端子电压的误差应不大于额定电压值的_______。[322010101]___
A. 80%
B. 85%
C. 90%
D. 95%
【单选题】
DDXL-34型防雷信号点灯转换单元，副丝回路中的检流变压器工作时，其二次侧电流为_______。[321010101]___
A. 1mA～2mA
B. 1.5mA～3mA
C. 1.5mA～2.5mA
D. 2mA～4mA
【单选题】
DDXL-34型防雷信号点灯单元的防雷电压转移系数小于_______。[331010101]___
A. 1/200
B. 1/300
C. 1/400
D. 1/500
【单选题】
DZD多功能智能点灯单元副丝电压为主丝电压的_______。[332010101]___
A. 80%
B. 85%
C. 90%
D. 90～95%
【单选题】
DZD多功能智能点灯单元主、副丝断丝时，报警时间应不大于_______。[331010101]___
A. 5s
B. 10s
C. 15s
D. 20s
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LED色灯机构发光二极管损坏数量达到_______时，不能影响信号显示的规定距离。[311010103]___
A. 10%
B. 20%
C. 30%
D. 40%
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LED色灯机构的正常绝缘电阻应不小于_______。[321010103]___
A. 20MΩ
B. 30MΩ
C. 40MΩ
D. 50MΩ
