| In the recent past, medical
researchers have shown that heart disease is associated with certain factors in
our day-to-day lives: with stress, with smoking, with poor nutrition (营养), and
with a {{U}} (51) {{/U}} of exercise. Doctors and other health experts
have been {{U}} (52) {{/U}} the fact that we can often reduce the
{{U}} (53) {{/U}} of heart disease by paying more attention to these
factors. More and more people are realizing that there is a {{U}} (54) {{/U}} between heart disease and the way they live. As a result of this new {{U}} (55) {{/U}}, attitudes toward health are changing:In the past, people tend to think that it was sufficient for good health to have a good doctor who could be {{U}} (56) {{/U}} on to know exactly what to do when they became ill. {{U}} (57) {{/U}} they are realizing that merely receiving the best A. shortage B. failure C. plenty D. lack [不定项选择题]按建筑物的防雷分类要求，属于第二类防雷建筑物的有()。
A.大型展览和博览建筑物 B.大型火车站 C.大型城市的重要给水水泵房 D.省级重点文物保护的建筑物 [单选题]冻结超过冻结时效时（）。
A.有权部门人员需凭有效身份证件办理解冻手续 B.有权部门人员需凭“解冻通知书”办理解冻手续 C.自动解冻 D.有权部门人员需凭工作证办理解冻手续 [单项选择]绩效目标设计成败的关键是（）
A. 目标具备挑战性 B. 符合公司长远利益 C. 和员工达成一致 D. 促进员工之间的相互经竞争 [单选题]水文地质条件复杂或有突水淹井危险的矿井,应当在井底车场周围设置()。
A.挡水墙 B.临时泵站 C.防水闸门 [多选题]倒闸操作应根据值班调控人员或运维人员的指令，受令人复诵无误后执行。发布指令应准确、清晰，使用规范的（）。
A.双重称号 B.调度术语 C.线路名称 D.设备双重名称 E.略 F.略 [单选题]肝硬化最突出的临床表现为( )
A. 肝大 B. 脾大 C. 腹水 D. 呕血 E. 交通支扩张 [名词解释]中层理论（中观理论）
[单选题]列尾装置有关无线电的设置、使用等应符合（ ）。
A.相关技术要求和标准 B.国家和国铁集团公司有关无线电管理规定 C.400M数字传送 D.GSM-R模式传送 [单选题]电气操作不包括（）操作方式。
A.就地操作 B.遥控操作 C.程序操作 D.后台操作 [单项选择]
Passage Five On a clear night you can see many stars in the sky. These stars are millions of miles away. Are there living things on any of the stars People have always thought about this question. They could not find the answer before now. Today scientists know more about space than ever before. Some machines can help them look for the answer. How will scientists do this People can’ t go to the stars. The stars are far away. A person would take hundreds of years to the next star in a spaceship. So scientists are sending out radio signals. These signals travel in space at the speed of light. At that speed, radio signals will take 25 years to reach the next star. The signals ask "Is there anyone out here". Living things in space must have machines to hear the signals. We will not get an answer to our signals for more than 50 years. However, scientists are already listening. Someone from space may be trying to send signals to us, too. Scientists also have sent [单项选择]以下哪项是防止感染计算机病毒的最重要步骤？（）
A. 隔离受感染的计算机 B. 反垃圾邮件软件 C. 经常进行反病毒程序的更新 D. 聘用合格的IT专家 [判断题]我国电力系统中性点接地方式有中性点直接接地方式、中性点经消弧线圈接地方式和中性点不接地方式。
A.正确 B.错误 [判断题]㔢26X2-2RZ型轴承内圈内径单一径向平面的变动量一般检修限度为≤0.030。
A.正确 B.错误 我来回答: 提交
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