（）在建国时就已经成型，在运行过程中不断得到完善。
| A recent development is the local area
network (LAN). (21) its name implies, it (22)
a local area—possibly as small as a single room, typically an area
like an university campus or the premises of a particular business. Local area
networks were developed to (23) a need specific to
microcomputers—the sharing of expensive resources. Microcomputers are cheap,
(24) highcapacity disc stores, fast and/or good quality
printers, etc. are expensive. The object of the LAN is to allow (25)
microcomputers shared access to these expensive resources. Since the
microcomputers are (26) , it is a necessary feature of a LAN
that the method of connection to the network, and the network hardware
(27) , must also be cheap. A local area network links a number of computers and a number of sewers (28) provide c A. itself B. themselves C. it D. its [单选题]高铝砖的耐火度和荷重软化温度( )粘土砖。
A.接近于 B.高于 C.低 D.完全相同 [单项选择]When young people get their first real jobs, they face a lot of new, confusing situations. They may find that everything is different from the way things were at school. It is also possible that they will feel uncomfortable and insecure in both professional and social situations. Eventually, they realize that university classes can’t be the only preparation for all of the different situations that arise in the working world.
Perhaps the best way to learn how to behave in the working world is to identify a worker you admire and observe his behavior. By doing so, you will be able to see what it is that you admire in this person. For example, you will observe how he acts in a crisis. Perhaps even more important, you will be able to see what his approach to day-to-day situations is. While you are observing your colleague, you should be asking yourself whether his behavior is like yours and how you can learn from his responses to a variety of situations. By watching and learning f A. to find a worker and follow him closely B. to find a person you respect and see how he acts in different situations C. to find a person you admire and make friends with him D. to make the acquaintance of a model you admire [单项选择]患者女，63岁，巨大甲状腺肿并甲状腺功能亢进，气管插管全麻下手术，历时6h，术后15h发现患者烦躁不安，喘鸣，口唇发绀，不能说话，呼吸38次/min，脉搏135次/min，血压150/100mmHg，查体切口无肿胀，引流管内仅少许陈旧性血液。此患者可能是（）
A. 甲状腺危象 B. 双侧喉上神经损伤 C. 出血导致气管受压 D. 喉头水肿 E. 双侧喉返神经损伤 [判断题]把理想变为现实,要付出辛勤的劳动,要靠实实在在的实践。
A.正确 B.错误 [单选题]以下哪些行为属于A类风险-卫生类?
A.客房服务员将干净的布草和五巾带入房间后,在撤出脏布草及五巾 B.为了提效,洗衣厂员工在客房门口直接清点脏布草 C.客人刚入住,发现被角有一个硬币大小的洞及毛边,被子上还有几根头发 D.打扫走客房时,电热水壶未清洁消毒 [单项选择]可发生呼吸性酸中毒的是（）
A. 体内HCO增高 B. 呕吐大量胃内容物 C. 大量利尿 D. 体内H>2CO3减少 E. 体内钾缺失 [单选题]为防止轨道电路人工短路或绝缘破损引起的错误解锁，采用了( )。
A.FDGJ B.三点检查 C.向12.13网路线供电 D.KZ-GDJ条件电源 [多选题]对于重大事故隐患,生产经营单位除依照前款规定报送外,应当及时向安全监管监察部门和有关部门报告。重大事故隐患报告内容应当包括( )。
A. 隐患的现状及其产生原因 B. 隐患的危害程度和整改难易程度分析 C. 隐患的整改结果 D. 隐患的治理方案 E. 隐患发生的时间 我来回答: 提交
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