【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 .
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相关试题
【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 .
【单选题】
Q1: What speed can an avalanche reach within five seconds of taking off?___
A. At 8 miles an hour .
B. At 18 miles an hour .
C. At 80 miles an hour .
D. At 88 miles an hour .
【单选题】
Q2: According to the passage, under what circumstances may an avalanche occur?___
A. There are too many layers of snow on the .
B. There is a layer of snow covering an entire area .
C. The top layer of snow slides off the layer below it .
D. The layer of snow below the surface becomes unstable .
推荐试题
【单选题】
油浸纸绝缘电力电缆的额定电压为___。
A. 110 kV；
B. 66 kV；
C. 35 kV及以下；
D. 6 kV；
【单选题】
控制电缆用于交流___配电装置的二次回路中。
A. 1 000 V及以下；
B. 500 V及以下；
C. 380 V及以下；
D. 220 V及以下；
【单选题】
电力电缆的终端头金属外壳___。
A. 必须接地；
B. 在配电盘装置一端须接地；
C. 在杆上须接地；
D. 有时接地，有时不接地；
【单选题】
变电所的电缆沟.隧道.电缆井.电缆架及电缆线段的巡查至少每___进行1次。
【单选题】
一定高度的避雷针下有一个安全区域，这个区域称为___。
A. 安全区；
B. 保护范围；
C. 保护半径；
D. 放电区；
【单选题】
变电所中保护电气设备免受直接雷击的设备是___。
A. 避雷针；
B. 避雷线；
C. 阀式避雷器；
D. 氧化锌避雷器；
【单选题】
为防止感应雷电波入侵变电所击穿电气设备，有效措施是在被保护设备上并联___。
A. 电阻；
B. 电容；
C. 电感；
D. 避雷器；
【单选题】
按雷电波所来方向，避雷器一般应安装在被保护设备的___。
A. 前面；
B. 后面；
C. 同一面上；
D. 下面；
【单选题】
管型避雷器是电力线路和变电所进出线的主要___元件。
A. 防雷保护；
B. 放电；
C. 间隙；
D. 灭弧；
【单选题】
当线路上遭到雷击时，大气过电压使___避雷器的外部和内部间隙击穿。
A. 阀式；
B. 管型；
C. 磁吹；
D. 氧化锌；
【单选题】
阀式避雷器的火花间隙由铜片制成，每对间隙用___厚的云母垫圈隔开。
A. 5～10 mm；
B. 3～5 mm；
C. 1～2 mm；
D. 0．5～1 mm；
【单选题】
按外部过电压选择变电所的绝缘时，应以___为基础。
A. 变压器所能耐受的电压；
B. 变电所设备的最低耐受电压；
C. 阀式避雷器的残压；
D. 避雷针的残压；
【单选题】
氧化锌避雷器阀片由___等烧结成的多晶体半导体陶瓷非线性元件制成。
A. 碳化硅；
B. 氧化锌或氧化铋；
C. 多晶硅；
D. 单晶硅；
【单选题】
氧化锌避雷器在大气过电压作用下呈___特性泄放雷电流。
A. 高电阻；
B. 较高电阻；
C. 低电阻；
D. 零电阻；
【单选题】
在电力系统中，使用氧化锌避雷器的主要原因是它___。
A. 造价低；
B. 便于安装；
C. 保护性能好；
D. 不用维护；
【单选题】
电抗器铁芯穿芯螺杆的绝缘电阻值应不低于___。
A. 0．1 ；
B. 0．4 ；
C. 0．7 ；
D. 1；
【单选题】
在电网中装设串联电抗器的目的是___。
A. 提高电网电压水平；
B. 补偿电网接地时的电容电流；
C. 限制短路电流；
D. 提高电网电能质量；
【单选题】
有关并联电抗器铁芯柱的铁饼一般采用___叠片。
A. 辐射式；
B. 折叠式；
C. 符合式；
D. 冲压式；
【单选题】
电抗器的基本结构是___。
A. 有铁芯，有线圈；
B. 有铁芯，无线圈；
C. 无铁芯，有线圈；
D. 无铁芯，无线圈；
【单选题】
真空断路器的玻璃或陶瓷外壳起___作用。
A. 真空密封；
B. 绝缘；
C. 真空密封和绝缘；
D. 灭弧；
【单选题】
真空断路器可断开额定电流___以上。
A. 千次；
B. 百次；
C. 万次；
D. 10万次；
【单选题】
真空断路器触头采用___材料制成。
A. 铜；
B. 钨；
C. 铋；
D. 多元合金；
【单选题】
SF6断路器是一种用___作为灭弧介质的断路器。
A. SF6体；
B. 压缩空气；
C. 氮气；
D. 惰性气体；
【单选题】
SF6气体的灭弧能力是空气的___。
A. 50倍；
B. 80倍；
C. 100倍；
D. 120倍；
【单选题】
高压断路器的最高工作电压是指长期运行的___。
A. 额定电压；
B. 最高相电压；
C. 最高线电压；
D. 故障电压；
【单选题】
高压断路器的热稳定电流是指在某一时间内断路器能承受的___。
A. 额定电流；
B. 最大短路电流；
C. 电流有效值；
D. 电流最大值；
【单选题】
弹簧储能分合闸操作机构的型号用字母___表示。
A. CD；
B. CY；
C. CT；
D. CS；
【单选题】
手动操作机构的型号用字母___表示。
A. CD；
B. CT；
C. CS；
D. CY；
【单选题】
电磁操作机构是指用___的操作机构。
A. 人力合闸；
B. 电动机合闸与分闸；
C. 电磁铁合闸；
D. 弹簧储能实现合闸；
【单选题】
电磁操作机构的合闸线圈动作电压不低于额定电压的___。
A. 75％；
B. 85％；
C. 80％；
D. 90％；
【单选题】
液压操作机构适用于配套110 kV以上高压___。
A. 隔离开关；
B. 负荷开关；
C. 断路器；
D. 接触器；
【单选题】
与正常时相比___。
A. 高；
B. 低；
C. 不变；
D. 不一定；
【单选题】
弹簧操作机构储能时需要的电源容量___。
A. 较小；
B. 较大；
C. 一般；
D. 很大；
【单选题】
弹簧储能操作机构在分闸时弹簧___
A. 已储能；
B. 释放；
C. 未储能；
D. 开始储能；
【单选题】
一般规定高压断路器的动稳定电流值为___的2.5倍。
A. 运行电流；
B. 额定开断电流；
C. 额定电流；
D. 短路电流；
【单选题】
选择断路器遮断容量应根据安装处的___来决定。初
A. 变压器的容量；
B. 最大负荷；
C. 最大短路电流；
D. 最大电压；
【单选题】
限流式熔断器一般作为___用。
A. 电力线路的短路保护；
B. 电压互感器的短路保护；
C. 电容器的短路保护；
D. 分断和闭合空载变压器；
【单选题】
熔断器熔丝上焊有小锡球是为了___。
A. 减少金属蒸气；
B. 缩短熔断时间；
C. 降低熔丝的熔点；
D. 保证熔断质量；
【单选题】
运行中电压互感器高压侧熔断器熔断，应立即___。
A. 更换新的熔断器；
B. 停止运行；
C. 继续运行；
D. 取下二次熔丝；
【单选题】
熔断器根据负荷的性质不同，一般熔体的额定电流为___的1.5~2倍。
A. 最大电流；
B. 短路电流；
C. 负荷电流；
D. 空载电流；
