【单选题】
The video cameras were used to catch the dogs' responses because ___________.
A. the dogs were put in the wooden boxes
and tested one at a time
B. it was easier to catch the dogs’s response changes in the tail wagging
C. they enabled the dogs’owners to know
about their dogs’; habit
D. the dogs wagged their tails in different
directions when they were in different
moods
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相关试题
【单选题】
When there are no stimuli, a dog will ___________.___
A. wag to the right
B. no wag at all
C. wag to the left
D. wag to the left and then wag to the right
【单选题】
The purpose of doing the experiment is _________.___
A. to train dogs for their owners
B. to help dogs find companion
C. to help people choose their pet dogs
D. to help people judge the mood of dogs
【单选题】
The underlined word "they" in the last sentence refers to __________.___
A. the trainers
B. the systems
C. the researchers
D. the dogs
【单选题】
The new law passed in Rome will ________.___
A. help improve fishing environment
B. stop people from catching goldfish
C. guarantee better conditions for goldfish
D. discourage keeping goldfish at home
【单选题】
People in Rome believe that the civilization of a city can be judged by _________.___
A. awareness of animal protection
B. exchanges with other cities
C. protection of ancient ruins
D. recognition of animal lovers
【单选题】
The underlined word "compassion" in Para 2 is the closest in meaning to __________.___
A. support
B. pity
C. help
D. love
【单选题】
People may break the law in Turin if they ________.___
A. keep their dogs or cats in cars
B. shut their dogs home all day long
C. raise their cats near ancient ruins
D. feed homeless animals in car parks
【单选题】
We can infer from the passage that _________.___
A. the owners can leave their dogs in hot cars
B. the cat only lives in modern life
C. the new law can prevent cruelty to animals
D. the new law gives recognition to the
people who feed homeless cat
【单选题】
If a person finds getting up early a problem, most probably ________.___
A. he is a lazy person
B. he refuses to follow his own energy cycle
C. he is not sure when his energy is low
D. he is at his peak in the afternoon or evening
【单选题】
Which of the following may lead to family quarrels according to the passage?___
A. Unawareness of energy cycles.
B. Familiar monologues.
C. A change in a family member's energy cycle.
D. Attempts to control the energy cycle of other family members.
【单选题】
If one wants to work efficiently at his low point in the morning, he should __________.___
A. change his energy cycle
B. overcome his laziness
C. get up earlier than usual
D. go to bed earlier
【单选题】
You are advised to rise with a yawn and stretch because it will __________.___
A. help to keep your energy for the day's work
B. help you to control your temper early in the day
C. enable you to concentrate on your routine work
D. keep your energy cycle under control all day
【单选题】
Which of the following statements is NOT true?___
A. Getting off to work with a minimum effort helps save one's energy.
B. Dr. Kletman explains why people reach their peaks at different hours of day.
C. Habit helps a person adapt to his own energy cycle.
D. Children have energy cycles, too.
【单选题】
An effective way to prevent the burnout of young athletes is __________.___
A. to increase their sense of success
B. to make sports less competitive
C. to reduce their mental stress
D. to make sports more challenging
【单选题】
According to the passage sport is positive for young people in that __________.___
A. it can help them learn more about society
B. it enables them to find flaws in themselves
C. it teaches them how to set realistic goals for themselves
D. it can provide them with valuable experiences
【单选题】
Many coaches and parents are in the habit of criticizing young athletes __________.___
A. without realizing criticism may destroy their self-confidence
B. in order to make them remember life's lessons
C. believing that criticism is beneficial for their early development
D. so as to put more pressure on them
【单选题】
According to the passage parents and coaches should __________.___
A. help children to win every game
B. pay more attention to letting children enjoy sports
C. train children to cope with stress
D. enable children to understand the positive aspect of sports
【单选题】
The author's purpose in writing the passage is _________.___
A. to persuade young children not to worry about criticism
B. to stress the importance of positive reinforcement to children
C. to discuss the skill of combining criticism with encouragement
D. to teach young athletes how to avoid burnout
【单选题】
As pointed out at the beginning of the passage, people used to think that air pollution _______.___
A. cause widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaged effect on health
D. existed merely in urban and industries areas
【单选题】
As to the greenhouse effect, the author ________.___
A. share the same view with the scientist
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
【单选题】
The underlined word "offset" in the second paragraph could be replaced by _________.___
A. slip into
B. make up for
C. set up
D. catch up with
【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
B. lowering the world's temperature merely a few degrees would lead major farming areas to disaster
C. almost no temperature variations have occurred over the past decade
D. the world's temperature will remain constant in the years to come
【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
B. the burning of fossil fuels
C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient
B. very expensive
C. quite dangerous
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
B. Because TV viewers are totally passive.
C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality
B. people's attitude towards it
C. how we use it
D. when we use it
【单选题】
What regulation was issued by New York State concerning beverage containers?___
A. A fee should be charged on used containers for recycling.
B. Throwaways should be collected by the state for recycling.
C. Consumers had to pay for beverage containers and could get their money back on returning them.
D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
A. be turned into raw materials
B. be separated from other rubbish
C. have a second-life value
D. end up somewhere underground
【单选题】
The key problem in dealing with returned plastic beverage containers is ______________.___
A. how to reduce their recycling costs
B. to sell them at a profitable price
C. how to turn them into useful things
D. to lower the prices for used materials
【单选题】
Recycling has become the first choice for the disposal of rubbish because ______________.___
A. recycling causes little pollution
B. other methods are more expensive
C. recycling has great appeal for the jobless
D. local governments find it easy to manage
【单选题】
It can be concluded from the passage that ____________.___
A. recycling is to be recommended both economically and environmentally
B. local governments in the U.S. can expect big profits from recycling
C. rubbish is a potential remedy for the shortage of raw materials
D. landfills will still be widely used for waste disposal
【单选题】
The author chose to study engineering at a small liberal-arts university because he ________.___
A. intended to be a sensible student with noble ideals
B. wanted to be an example of practicality and rationality
C. intended to be a combination of engineer and humanist
D. wanted to coordinate engineering with liberal-arts courses in college
【单选题】
According to the author, by interacting with people who study liberal arts, engineering students can __________.___
A. broaden their horizons
B. receive guidance in their careers
C. become noble idealists
D. balance engineering and the liberal arts
【单选题】
In the eyes of the author, a successful engineering student is expected ______________.___
A. to be imaginative with a value system to guide him
B. to be a technical genius with a wide vision
C. to have an excellent academic record
D. to be wise and mature
【单选题】
The author's experience shows that he was ________.___
A. creative
B. ambitious
C. irrational
D. unrealistic
【单选题】
The underlined word "they" in "... together they threaten to confuse." (Para.5) refers to ____________.___
A. practicality and rationality
B. engineering and the liberal arts
C. reality and noble ideals
D. flexibility and a value system
【单选题】
It can be learned from the passage that the Ouchidas' house __________.___
A. failed to meet energy conservation standards
B. was designed and constructed in a scientific way
C. is well worth the money spent on its construction
D. is almost faultless from the point of energy conservation
【单选题】
What made the Ouchidas' new house a horrible dream?___
A. Lack of fresh air.
B. Gas leakage in the kitchen.
C. The newly painted walls.
D. Poor quality of building materials.
推荐试题
【单选题】
电路图功能组号=20是指___
A. 控制电路
B. 照明
C. 主电路
D. 辅助设备
【单选题】
电路图功能组号=30是指___
A. 特殊设备
B. 辅助电路
C. 主电路
D. 空调
【单选题】
电路图功能组号=40是指___
A. 外部照明
B. 车门控制
C. 列车控制网络乘客信息系统
D. 辅助设备
【单选题】
电路图功能组号=60是指___
A. 空调
B. 照明
C. 主电路
D. 辅助设备
【单选题】
电路图功能组号=70是指___
A. 控制电路
B. 车门控制
C. 主电路
D. 辅助设备
【单选题】
电路图功能组号=80是指___
A. 空调
B. 特殊设备
C. 车门控制
D. 照明
【单选题】
电路图功能组号=90是指___
A. 特殊设备
B. 车门控制
C. 列车控制网络乘客信息系统
D. 照明
【单选题】
电路图中位置号说明里面+111代表Tc车哪个地方___
A. 司机操作台
B. 微机柜
C. 司机室
D. 空调柜
【单选题】
电路图中位置号说明里面+164代表Tc车哪个地方___
A. 右侧墙
B. 左侧墙
C. 司机室
D. 低压箱
【单选题】
电路图中位置号说明里面+283代表Mp车哪个地方___
A. 制动模块
B. 牵引逆变器
C. 滤波电抗器
D. 制动电阻
【单选题】
电路图中位置号说明里面+281代表Mp车哪个地方___
A. 制动模块
B. 牵引逆变器
C. 滤波电抗器
D. 制动电阻
【单选题】
电路图中位置号说明里面+284代表Mp车哪个地方___
A. 制动模块
B. 牵引逆变器
C. 滤波电抗器
D. 制动电阻
【单选题】
电路图中位置号说明里面+285代表Mp车哪个地方___
A. 制动模块
B. 牵引逆变器
C. 滤波电抗器
D. 制动电阻
【单选题】
电路图中位置号说明里面+206代表Mp车哪个地方___
A. 空调单元1
B. 空调单元2
C. 受电弓
D. 制动电阻
【单选题】
电路图中位置号说明里面+382代表M车哪个地方___
A. 风源模块
B. 高压箱
C. 跳接箱
D. 半永久牵引杆
【单选题】
电路图中位置号说明里面+386代表M车哪个地方___
A. 风源模块
B. 高压箱
C. 制动电阻
D. 滤波电抗器
【多选题】
下列关于空压机说法的正确的是___。
A. 当气压小于700kpa时，两台空压机启动
B. 当气压大于900kpa时，空压机停止工作
C. 单个空压机启动，分单双日
D. 当气压小于760kpa时，一台空压机启动
【多选题】
运行中一个空压机故障时，下列哪些情况列车可继续运营___。
A. 当主风缸压力低于750kpa时，空压机可以继续打风至900kpa
B. 检查非操纵单元空压机工作正常时
C. 当主风缸压力低于700kpa时，空压机可以继续打风至900kpa，检查C车电子柜中34-F301跳闸复位后
D. 在大客流状态下，列车出现空压机严重故障，空压机可以继续打风至900kpa
【多选题】
列车在驾驶中（含退行）产生紧急制动，没有出现ATP通信中断信息和符号。应采取的检查处理方案是___。
A. 检查是否人为超速造成
B. 检查车上的紧急停车按钮是否被按下
C. 检查车门关指示灯是否点亮
D. 检查TMS-MMI上是否显示“空转/滑行”等其它故障
E. 检查屏蔽门状态
【多选题】
运营中出现主风缸压力低，应该进行的判断包括___。
A. 检查主风缸压力表指示，若压力大于700KPa且持续上升，故障消失继续运行；
B. 确认主风管压力大于480KPa，合司机室继电器柜总风压力可用旁路（=27-S109），就近站退出服务
C. 是否有启动连锁故障
D. 是否显示两个空压机故障
【多选题】
整列车气制动不能缓解故障处理方法可能有___。
A. 按压=73-S105
B. 查看HMI故障信息
C. 找出相应车制动故障切除B05
D. 合=27-S104
【多选题】
供风模块主要由___组成。
A. 制动缸
B. 空气压缩机
C. 空气干燥器
D. 油过滤器
【多选题】
下列部件中___为供风和制动系统的组成部分。
A. 踏面制动单元
B. 受电弓执行机构
C. 受电弓
D. VCM
E. EBCU
【多选题】
出库前列车无法激活时，电压表电压显示0 V，需要检查的范围是：___。
A. 检查操纵端A车微型断路器=32-F05是否闭合
B. 检查非操纵端A车微型断路器=32-F05是否闭合
C. 检查非操纵端的=72-S101是否处于中间位
D. 检查两端的=32-Q01是否被取出
【多选题】
整列车蓄电池激活不了___。
A. 查看电压表电压是否大于104V；
B. 检查激活端的（列车激活旋钮开关）闭合后电压能否保持
C. 检查非激活端的=72-S101（列车激活旋钮开关）是否处于中间位
D. 检查紧急按钮是否按下。
【多选题】
司机台开锁后显示屏没有显示___。
A. 确认另一单元司机室没人占用
B. 可以进行分、合主控钥匙的复位操作
C. 检查本端的自动开关=41-F104
D. 检查本端的自动开关=22-F101
【多选题】
司机台开锁后受电弓无法升起___。
A. 检查气压表白色指针是否压力足够
B. 检查两端司机室的紧急按钮是否被按下
C. 检查=21-F101（受电弓控制）是否跳闸
D. 检查气压表红色指针是否压力足够
【多选题】
一个单元无法升弓___。
A. 检查对应的旋钮21-S105是否在正常位
B. 检查故障受电弓升弓风缸压力是否足够
C. 检查对应车紧急按钮是否按下
D. 检查相应车紧剔按钮是否按下
【多选题】
当蓄电池电压<104v, 主风缸风压4.5bar无电有气的升弓方法___
A. 到B车升弓柜，用方孔钥匙打开柜门。
B. 将两位三通阀旋钮打至垂直位置，该端受电弓升起。
C. 司机按压司机室继电器柜中的=31-S104（充电机应急启动）至蓄电池电压104V后，(期间可尝试激活蓄电池)合=72-S101，激活列车。
D. 司机按压受电弓“升弓”按钮，受电弓保持升起。
E. 将两位三通阀旋钮打至横向位，锁闭好柜门。
【多选题】
车钩监控回路故障可能出现的现象___。
A. 突然降弓
B. 照明全部关闭
C. 激活掉电并产生紧制
D. HMI显示相应故障信息
【多选题】
当一个辅助逆变器故障，另一个辅助逆变器给以下___设备供电。
A. 所有外部冷却风扇
B. 所有空调单元
C. 所有空压机
D. 每车一个空调单元
E. 其中一个空压机
【多选题】
当PA按钮发亮时，取消PA广播模式的方法包括___。
A. 第二次按下PA按钮
B. 待机20秒
C. 选择另一种模式
D. 在客室按下紧急对讲
【多选题】
当出现___时，HSCB将断开。
A. 受电弓下降
B. 紧急按钮被按下
C. 辅助变流器短路
D. 蓄电池充电机短路
【多选题】
升、降弓之前必须先（），降弓之前，必须（），在没有降弓之前禁止下车底作业。___（摘自三月检规程）
A. 打开所有负载
B. 鸣笛
C. 关闭所有负载
D. 设置铁鞋
E. 挂接地线
【多选题】
当TC1车司机室为激活司机室，同时向前列车线得电，此时___。
A. TCMS向MP1、M1车发送“正转”指令
B. TCMS向MP2、M2车发送“正转”指令
C. TCMS向MP1、M1车发送“反转”指令
D. TCMS向MP2、M2车发送“反转”指令
【多选题】
方向手柄置“前”位时，以下哪些外部指示灯工作___。
A. 本端白色运行灯
B. 远端尾灯
C. 本端红色运行灯
D. 远端红色运行灯
E. 本端头灯
【多选题】
运行中HSCB闭合、断开指示灯不亮（按73-S105确认指示灯正常），应采取的检查处理方案是：___。
A. 在站内重新合HSCB，如故障消除继续运行
B. 如重新合闸故障仍未消除维持运行到终点站，检查相应B车21-F302、21-F202的状态
C. 在复位无效的情况下，如一个HSCB无法闭合，继续运营，如超过一个HSCB无法闭合退出服务
D. 重新激活列车
【多选题】
总线的寻址方式___
A. 物理寻址
B. 逻辑寻址
C. 广播寻址
D. 硬线寻址
【多选题】
无法闭合，需要检查的范围有___。
A. 检查Mp车=21-F203状态
B. 检查操纵端Tc车=21-F101的状态
C. 检查Mp车=21-F203状态
D. 重新闭合HSCB
【多选题】
运行中出现整列车左侧门打不开故障时，可能进行的判断处理包括___。
A. 按试灯按钮检查指示灯状态
B. =81-F111是否跳闸
C. 重新操作开门按钮
D. 切除ATP后开门
E. =81-F101是否跳闸
