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[填空题]The human body is a remarkable food processor. As an adult, you may consume{{U}} (36) {{/U}}a ton of food per year and still not gain or lose a pound of body weight. You are{{U}} (37) {{/U}}harnessing and consuming energy through the intricate{{U}} (38) {{/U}}of your body in order to remain in energy balance. To{{U}} (39) {{/U}}a given body weight, your energy input must balance your energy output. How ever, sometimes the{{U}} (40) {{/U}}energy balance is upset, and your{{U}} (41) {{/U}}body weight will either fall or{{U}} (42) {{/U}}. The term body image refers to the mental image we have of our own physical appearance, and{{U}} (43) {{/U}}. Research has revealed that about 40 percent of adult men and 55 percent of adult women are dissatisfied with their current body weight. {{U}} (44) {{/U}}. At the college level, a study found that 85 percent of both male and female first-year students desired to change their body weight. {{U}} (45) {{/U}}. Thinness is curren

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[判断题]动车组列车可以出售口香糖、方便面。
A.正确
B.错误

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[单选题]TYJL-TR9型计算机系统，采集板正常工作时顶部的四个指示灯（）。
A.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯亮黄灯、POWER灯灭灯
B.PASS灯亮绿灯、FAULT亮绿灯、ACTIVE灯亮黄灯、POWER灯灭灯
C.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯亮黄灯、POWER灯亮绿灯
D.PASS灯亮绿灯、FAULT灭灯、ACTIVE灯灭杰、POWER灯灭灯

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[单选题]生物脱氮第一阶段( )氧,第二阶段为( B )氧。
A. 厌,好
B. 好,厌
C. 兼性,好
D. 厌,兼性

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[单项选择]

On September 7, 2001, a 68-year-old woman in Strasbourg, France, had her gall bladder (胆囊) removed by surgeons operating via computer from New York. It was the first complete telesurgery procedure performed by surgeons nearly 4,000 miles away from their patient.
In New York, Marescaux teamed up with surgeon Michel Gagner to perform the historic long-distance operation. A high-speed fiber-optic service provided by France Telecom made the connection between New York and Strasbourg. The two surgeons controlled the instruments using an advanced robotic surgical system, designed by Computer Motion Inc, that enabled the procedure to be minimally invasive. The patient was released from the hospital after about 48 hours and regained normal activity the following week.
The high-speed fiber-optic connection between New York and France made it possible to overcome a key obstacle to telesurgery time delay. It was crucial that a continuous time delay of less than 200
A. Distance
B. Advanced technology
C. Delay
D. Medical facilities

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[简答题]如何加强关键核心技术攻关?

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[多选题]时间同步装置对时输出下列哪些信号（）。
A. 直流IRIG-B码信号，包括差分电平、逻辑光口信号
B. 脉冲信号，包括TTL、差分电平、逻辑光口信号、空接点
C. 报文信号，包括差分电平、逻辑光口信号、RS232电平
D. SNTP简单网络协议

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[多选题]《铁路旅客运输管理规则》规定,对旅客讲话时应( )语言表达得体准确。
A.态度和蔼
B.音量适宜
C.称呼恰当
D.不卑不亢

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[单项选择]拖飞机时应把前轮转弯计量活门上的拖飞机手柄放到“拖飞机”位并插好保险销，作用是：（）
A. 仅关断计量活门供油
B. 仅旁通两个转弯作动筒的两侧油路
C. 关断计量活门供油，并旁通两个转弯作动筒的两侧油路

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[判断题]（）道口护轨两端做成喇叭口，距护轨端300mm处弯向线路中心，其终端距钢轨工作边应为150～180mm。
A.正确
B.错误

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[多选题]速动衬套常见故障原因有（）
A.A、内外套有毛刺
B.B、润滑脂有杂质
C.C、装配过紧
D.D、内外圈制造尺寸超差