【填空题】
7.You can increase a tyre’s grip in winter by slightly _________its pressure.
查看试卷,进入试卷练习
微信扫一扫,开始刷题
相关试题
【填空题】
8.Lake Superior, Huron, Erie, and Ontario are shared by the United States and Canada, and from part of the _________between the two countries.
【填空题】
9.The police are investigating the three men allegedly _________organizing and carrying out the bank robbery.
【填空题】
10.I do not doubt in the least that inflation leads to _________decline.
【填空题】
11.A blizzard _______________great drifts of snow across the lake.
【填空题】
12.Tim says _________everybody will be affected by the tax increase, but I’m sure he’s exaggerating.
【填空题】
1.China’s economic success over the past three _________has raised the living standards of hundreds of millions of Chinese citizens.
【填空题】
2.Citibank picked the chief executive of Etang.com as its first Chinese customer Thursday to open an account at its new branch in the _______Pease Hotel along Shanghai’s fabled waterfront.
【填空题】
3.The United States last Wednesday _________tariffs关税 of up to 30 percent on a range of foreign steel imports to help protect its domestic国内的industry.
【填空题】
4.Although he was raised as a Christian, he’s not really very _________.
【填空题】
5.You can distinguish between frogs ands toads蟾蜍 in the following way: frogs have _________bodies, long limbs, and a smooth skin, and toads have stouter bodies, short limbs, and dry skin.
【填空题】
6.From the airplane window I could see a _________of city streets.
【填空题】
7.Aunt Pat smiled at her little niece and _________her to eat.
【填空题】
8.Dr. Rich Hamilton is planning his own World Wide Web _________on the Internet to provide assistance to anyone who asks for medical help.
【填空题】
9.It is difficult to estimate the number of people doing part-time jobs _________
【填空题】
10.The president _________his foreign minister, Mr. Burns, to act as representative to the international conference to be held in Tokyo next month.
【填空题】
11.Advances in telecommunications have meant that it is just as easy to work from a computer _________at home as it is from a town center office.
【填空题】
12.Until the new gym is built, you have no option but _________existing buildings which may or may not suit your immediate目前的requirements.
【填空题】
1.According to some scientists, global warming _________the survival of the whole human race.
【填空题】
2.The number of visitors from parts of Scotland not including the Edinburgh area was, in fact, relatively small19%, and exceeded the number of overseas visitors16%_________.
【填空题】
3.The early Spaniards established a chain of mission _________the local population along the San Antonio River.
【填空题】
4.It was common practice then that when the store owners wanted to go on vacation they simply _________
【填空题】
5.As they didn’t have relatives or friends there they often _________around nearby malls when they got bored.
【填空题】
6.To make a birthday card, you can simply cut out some funny or pretty pictures from magazines, _________them _________a piece of card and then write your message inside.
【填空题】
7.She picked up the receiver and, _________ asking the caller to hold on, went off to tell Jack that he was wanted on the phone.
【填空题】
8.To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and _________.
【填空题】
9.The new product has a pair of small loudspeakers fitted inside, which you can easily _________ your computer’s sound card.
【填空题】
10.Music in fact is a _________language of a non-verbal nature which is rich in expression.
【填空题】
11.This _________is designed to show at a glance how many rooms have been rented out and how many are still available.
【填空题】
12._________ glorious sunshine, the boundless stretch of corn fields looked an impressive sight.
【填空题】
1.The cook put the meat on a plate, _________it with salt and pepper, wrapped up the plate in aluminum foil铝箔 and then placed it in the oven to roast.
【填空题】
2.Every waking moment we talk to ourselves about the things we experience. Our self-talk, the thought we communicate to ourselves, _________control the way we feel and act.
【填空题】
3.John made everyone laugh when he got the words _________and referred to himself as “my husband’s wife”.
【填空题】
4.You can’t live a perfect day without doing something for someone who will perhaps never be able to _________you.
【填空题】
5.Because the Earth is a sphere, sailors _________only can view other ships to a distance of about 13 miles before those ships seem to disappear into the horizon.
【填空题】
6.Johnson dismissed _________ideas lightly as no good on several occasions.
【填空题】
7.One tends to believe whatever one repeats to oneself sufficiently often, whether the _________be true or false.
【填空题】
8.Susan told me numerous times how her sister _________children.
【填空题】
9.I don’t know what my roommate is up to because he does everything _______________, either when I am away or when I am asleep.
【填空题】
10.For economic reasons, shipbuilders have designed vessels___ that can be loaded and _________in a minimum amount of time with minimum labor.
【填空题】
11.Laugh, and the world laughs with you; _________, and you weep alone.
推荐试题
【多选题】
"CRH380A 统型动车组在( )车车
【多选题】
"CRH380A(统型)动车组污物箱底部设有电加热装置,其启停温度为
A. 10~30 ℃
B. 2~10 ℃
C. 4~20 ℃
D. 8~25 ℃
【多选题】
"列车运行途中,全列触发紧急制动,MON“配电盘信息”画面全列 UVR 变红,主控车 01 车 JTR 变红,“车辆信息”画面显示 01 车总风压力低,全列空气压缩机未动作,则可判断的故障原因为
A. 列车总风压力低于 590Kpa "
B. 01 车司机室前舱590Kpa 压力开关故障" "
C. 00 车司机室前舱590kpa 压力开关故障"
D. 列车时速 70Km/h 以下时,司机操作了B5 以上制动
【多选题】
"运行指令继电器 PCR 动作的条件
A. 主控端
B. 零位加载
C. JTR 得电 "
D. 全列门关
【多选题】
"车辆信息控制装置光节点间传送
A. 2.5Mbps
B. 3.0Mbps
C. 25Mbps
D. 30Mbps
【多选题】
"CRH380A 统型动车组当车辆信息控制装置检测到( )km/h 以上的
【多选题】
"车辆信息控制装置车速计数的单
A. 0.5km/h
B. 1km/h
C. 2km/h
D. 5km/h
【多选题】
"CRH380A 统型动车组在开始车辆信息控制装置的动作时,要先进行哪些设定:( )。
【多选题】
"CRH380A 统型动车组车载信息采集是通过( )电流环接口实现与动车组车辆信息控制系统的通信,从而采集动车组运行状态信息及
A. 10mA
B. 20mA
C. 30mA
D. 40mA
【多选题】
"CRH380A 统型动车组进行设备远程切除/复位操作后 MON 屏切换至( )页面,确认对应设备的切
A. 远程控制切除
B. 供电分类
C. 车辆信息
D. 切除状态
【多选题】
CRH380A 统型动车组车辆信息控制装置的使用操作有哪些:( )。 "
A. 车辆信息控制装置的初期设
B. 车辆信息控制装置面板的操
C. 车辆信息显示器的操作
D. IC 卡读写装置、IC卡的操作
【多选题】
CRH380A 统型动车组车载信息装置系统设备的切除、复位功能包括( )。
A. 设备远程切除指令的传送
B. 辅助绕组电源感应电路的控制 "
C. 三相AC400V电源感应电路的控制"
D. 辅助空压机启动指令的传送
【多选题】
"CRH380A 统型动车组空调系统由
A. 客室空调机组
B. 换气装置
C. 风道系统
D. 应急通风系统
【多选题】
"CRH380A 统型动车组应急通风系统主要包括( )及应急通风机。" "
A. 应急释放阀" "
B. 车内压力开放阀"
C. 换气装置
D. 风道系统
【多选题】
"CRH380A 统型动车组头尾车设有1 台应急释放阀及( )台车内压开放阀。"
【多选题】
"CRH380A 统型动车组空调逆变器装置由( )、电容器单元、交流电抗器、直流电抗器、限流电阻
A. 变频单元
B. 高压单元
C. 逆变单元
D. 直流电阻
【多选题】
"CRH380A 统型动车组每节车厢车
【多选题】
"CRH380A 统型动车组空调机组室外部分装有( )、气液分离器、
A. 压缩机
B. 高压开关
C. 室外热交换器
D. 室外风机
【多选题】
"CRH380A 统型动车组空调换气系统由( )、应急通风装置及送回
A. 应急释放阀
B. 空调装置
C. 换气装置
D. 通风装置
【多选题】
"CRH380A 统型动车组停放制动夹
【多选题】
"CRH380A 统型动车组轮缘高度的
【多选题】
"CRH380A 统型动车组转向架构架为钢板焊接结构,主体框架呈 H
A. 两侧梁
B. 横梁
C. 纵向连接梁
D. 空气弹簧支承梁
【多选题】
"CRH380A 统型动车组制动器控制
A. AG37
B. AG43
C. LKJ2000
D. GEL247Y
【多选题】
CRH380A 统型动车组转向架中心距:( )mm、固定轴距:( )mm、车轮直径:( )mm、车钩高度:( )mm。 "
A. 17,500;2,500;860;1,000" "
B. 17,000;2,500;850;1,000" "
C. 17,000;2,400;860;1,000" "
D. 17,500;2,400;850;1,000"
【多选题】
"CRH380A 统型动车组转向架结构
A. 有摇枕横梁" "
B. 有摇枕轴梁式" "
C. 无摇枕轴梁式" "
D. 无摇枕横梁式"
【多选题】
"CRH380A 统型动车组轴箱内置温
A. 144
B. 145
C. 146
D. 147
【多选题】
"CRH380A 统型动车组新轮直径为
A. 840
B. 850
C. 860
D. 870
【多选题】
"CRH380A 统型动车组AG37 速度传感器安装在两端头车用的拖车转
【多选题】
"CRH380A 统型动车组拖车转向架
【多选题】
"CRH380A 统型动车组特高压电路、
【多选题】
"CRH380A 统型动车组牵引变压器2 次绕组侧设有 2 个线圈,1 次侧的电压为 25KV 时,2 次侧两个绕组电压不小于 1650V。另外,还设有辅助绕组,此时辅助绕组电压为 ( ) 。"
A. 220V
B. 250V
C. 360V
D. 400V
【多选题】
"CRH380A 统型动车组牵引电路基本单元由 1 台牵引变压器、( )台牵
【多选题】
"CRH380A 统型动车组高压设备箱
【多选题】
"CRH380A 统型动车组使用的受电弓型号为 TSG19A,弓头长( )
A. 1920
B. 1930
C. 1940
D. 1950
【多选题】
"CRH380A 统型动车组支撑绝缘子伞裙为瑞侃高分子材料聚合物, ( ) 车各两个支撑绝缘子,用于
【多选题】
"CRH380A 统型动车组牵引电动机为 3 相鼠笼式感应电动机,其轴端安装有速度传感器,向( )
A. 牵引变压器
B. 牵引变流器 "
C. 制动控制装置
D. 辅助电源装置
【多选题】
"CRH380A 动车组 VIP 座椅控制面
【多选题】
"CRH380A 统型动车组( )车配置