当单回线发生单相永久接地故障重合不成功或无故障断开不重合时，若继电保护-我要搜题网

In Wyoming, it’s the sage grouse (松鸡). In Colorado, it’s the lesser prairie chicken. In the Northwest, it’s the Washington ground squirrel. Across the country, a growing number of species are finding themselves at the center of a new battle being waged by environmentalists and developers. The issue—species being threatened by encroaching (侵占)human development—is nothing new, of course. (46)
Wind energy has been touted as cost - effective to produce clean energy as well as jobs. (47) But not every environmentalist is happy about that development. Critics charge that wind - energy development can cause habitat fragmentation—a displacement of a species that can eventually reduce its numbers—as well as the deaths of birds and bats that collide with the wind turbines’ (涡轮) massive rotor blades (动叶片). (48) That’s a low estimate, says Michael Frr of the American Bird Conservancy (美国鸟类保护

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[判断题]梯子应坚固完整,有防滑措施。梯子的支柱应能承受作业人员及所携带的工具、材料攀登时的总重量。
A.正确
B.错误

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[单项选择]In all one’s lifetime it is oneself that one spends the most time being with or dealing with. But it is (62) oneself that one has the (63) understanding of.
When you are going upwards in life you tend to (64) yourself. It seems that everything you seek for is within your (65) ; luck and opportunities will come your (66) and you are overjoyed that they constitute part of your worth. When you are going downhill you tend to underestimate yourself, mistaking difficulties and (67) for your own (68) . It’s likely that you think it wise for yourself to know your place and stay aloof (69) worldly wearing a mask of cowardice, behind which the flow of sap in your life will be (70) .
To get a thorough understanding of oneself is to gain a correct view of oneself and be a sober (71) -- aware of both one’s strength and shortage. You may look (72) hopefully to the future
A. repress
B. represent
C. reproduce
D. reprove

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[单选题]
EIARS232C的电气指标规定，数据信号“1”的额定电
压值是（）
A.+12伏（）（）
B.-12伏
C.+15伏（）（）
D.-15伏

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[简答题]试述肺结核肺切除术的禁忌证。

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[判断题]由于化学灾害事故的危害性大,受灾后果严重,扑救困难,容易造成大量人员中毒,在实施大范围警戒时,除调动公安、武警实施现场控制警戒外,还可以根据现场实际需要,报请政府调用当地驻军协助实施警戒。( )
A.正确
B.错误

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[判断题]列车食品加工用具有成品、半成品标记，按标记使用，共同一起存放。
A.正确
B.错误

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[单项选择]女性，54岁。两年来间断浮肿，加重4周，两天来气短、咯血。体格检查：血压130/86mmHg，腹水征（+）。尿蛋白（++++）（7.5g/d），沉渣RBC3～6个／HP。血清总蛋白49g/L，球蛋白30g/L，甘油三酯2.0mmol／L，抗GBM抗体阴性。双肾大，双肾静脉主干有血栓，胸片肺正常。临床诊断是（）
A. 慢性肾炎
B. 心功能不全
C. 肾病综合征
D. 肺栓塞
E. 肺肾综合征

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[填空题]既有主站又有辅站的施工，_______、_______分别到主站、辅站登记请点。

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[单选题]当采用dis cpurusage查看交换机CPU利用率的时候发现VIDL一项达到90%, 则说明?
A.设备可能温度过高
B.设备可能出现环路
C.该项代表设备的CPU空闲率, 90%说明设备运行正常
D.设备可能遭到DDOS攻击

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[单选题]1.25 已持有机动车驾驶证,申请增加准驾车型的,应当在本记分周期和申请前最近________记分周期内没有记满12分记录。
A.一个
B.二个
C.三个
D.四个

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[单项选择]发生于显性感染之后的病原携带者称为（）
A. 急性携带者
B. 慢性携带者
C. 健康携带者
D. 恢复期携带者
E. 潜伏期携带者

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[单项选择]60岁甲亢患者，甲状腺Ⅲ。肿大，高代谢症状严重，肝、肾功能正常。首选的治疗措施为（）
A. 立即I治疗
B. 立即手术
C. 复方碘溶液治疗2周后手术
D. 抗甲状腺药物控制症状后手术
E. 抗甲状腺药物长期治疗

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[单选题]破伤风最早发生强直性痉挛的肌群是( )
A.咽肌
B.面肌
C.咀嚼肌
D.颈背肌