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【单选题】
Junk Hunting 淘旧货 Anyone who thinks exploration always involves long journeys should have his head examined.Or, better, he should put on his oldest clothes and go off in search of a junk shop. There are three kinds—one full of discarded books, one full of discarded Government equipment, and one full of discarded anything.A junk shop may have four walls and a roof,or it may be no more than a trestle-table in an open air market;but there is one infallible test:no genuine junk shopkeeper will ever pester you to make up your mind and buy something. And you are no true junk shopper if you march purposefully round the shop as if you knew exactly what you wanteD.You must browse, gently chewing the cud of your idle thoughts, and nibbling here and there as a sight or a touch of the goods that lie about you. Yet you must also possess a penetrating glance, darting your eyes about you to spot the treasures that may lurk beneath the rubbish. This is what makes junk shopping such a satisfying voyage of exploration. You never know what interesting and unexpected thing you may discover next. For in a true junk shop, not even the proprietor is always quite sure what his dusty stock conceals. There is always the chance that you may pick up a first edition, a pair of exotic ear-rings, a piece of early Wedgwood china, or a cine camera—and possess it for the price of fifty cigarettes. But this kind of treasure hunt is only a sideline to the true junk shopper. The real attraction lies in finding something that catches your own especial fancy, though everybody else may pass it by. An ancient tarnished clock, whose brass beneath your hands will shine anew; empty boxes that you can see transformed into the framework of a bookcase; an old bound volume of magazines of three-quarters of a century ago, which will shed strange sidelights on the ways our great-grandparents behaved and looked at life. When you begin junk shopping, half the attraction is that you go with absolutely no intention of buying anything. You spend your first couple of Saturday afternoons ambling around among dusty shelves, savouring a page or a chapter as you please, or fingering the piles of oddments that litter counters or tables. At first, be warned, don't try to buy. You may, indeed you should, ask the price of this and that; but just to give you an idea of what the junk shopkeeper thinks you might be willing to pay him. Later, you will find yourself returning a second and third time to something that has caught your fancy. And when you can hold back no longer, bargaining begins in earnest. This is the other great attraction of the true junk shop. Not only may it hold every conceivable product from every imaginable country; it also transports you to the mediaeval market place or the oriental bazaar, where no price is fixed until buyer and seller have waged a friendly war together, and proved each other's mettle. And this is where your old clothes become important: let no one take you for a rich connoisseur, or you will find yourself paying a rich man's prices. And avoid at all costs the suspicion of an American accent, or in spite of the good nature of all good junk shopkeepers, you will be for it. The author equates junk shopping with exploration because both involve______.
A.
traveling long distances
B.
careful preparation
C.
a spirit of adventure
D.
discovering unheard of places
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【多选题】临床应用肾上腺素时护理观察要点有哪些。
A.
显著增加心肌氧耗,故必须充分给氧
B.
用药期间使用心电监护,无条件者每分钟测量血压、脉搏
C.
注射时密切观察血压及心率变化,以免引起血压骤升和心动过速
D.
常用剂量使收缩压、舒张压均升高
E.
维持量时,尽量选择单独通路,使用微量输注泵或控速输液器,避免走速不匀影响循环稳定
【单选题】有时需要自定义全局目录服务器包含附加的属性,通常情况下,在添加属性到全局目录服务器时,哪些因素是不需考虑的()。
A.
添加组织中的应用程序和用户查询对象师傅是经常使用的属性
B.
添加的是否为整个企业用的用户和应用程序频率查询和参考的其他属性
C.
复制时更新属性的频率
D.
存储活动目录数据的磁盘大小
【多选题】患者女,50岁,因胸骨后闷堵感3个月,发作性头晕5d入院,平素怕冷、头晕、乏力、疲倦,皮肤粗糙、干燥。症状与体力活动和情绪激动无关。20年前行甲状腺瘤切除术,术后出现手足搐搦,曾接受钙盐治疗。心、肺、腹检查均正常。Chvostek与Trousseau征均阳性。入院后又有手足搐搦发作。心电图示Q-T间期572ms。患者目前诊断为()
A.
先天性长Q-T综合征
B.
心脏自主神经功能紊乱
C.
获得性长Q-T综合征
D.
甲状旁腺功能低下引起低血钙与Q-T间期延长
E.
三度房室传导阻滞
F.
症状性癫痫
【多选题】《使用有毒物品作业场所劳动保护条例》规定,需要进入存在高毒物品的设备、容器或者狭窄封闭场所作业时,从事使用有毒物品作业的用人单位,应当事先采取哪些措施:
A.
保持作业场所良好的通风状态,确保作业场所职业中毒危害因素浓度符合国家职业卫生标准;
B.
为劳动者配备符合国家职业卫生标准的防护用品;
C.
设置现场监护人员和现场救援设备;
D.
为作业人员进行体检。
【多选题】患者女,50岁,因胸骨后闷堵感3个月,发作性头晕5d入院,平素怕冷、头晕、乏力、疲倦,皮肤粗糙、干燥。症状与体力活动和情绪激动无关。20年前行甲状腺瘤切除术,术后出现手足搐搦,曾接受钙盐治疗。心、肺、腹检查均正常。Chvostek与Trousseau征均阳性。入院后又有手足搐搦发作。心电图示Q-T间期572ms。患者入院后应常规进行的检查()
A.
血钙、磷
B.
血钾、镁
C.
甲状腺功能
D.
甲状旁腺功能
E.
全身CT
F.
动脉血气分析
【多选题】患者女,50岁,因胸骨后闷堵感3个月,发作性头晕5d入院,平素怕冷、头晕、乏力、疲倦,皮肤粗糙、干燥。症状与体力活动和情绪激动无关。20年前行甲状腺瘤切除术,术后出现手足搐搦,曾接受钙盐治疗。心、肺、腹检查均正常。Chvostek与Trousseau征均阳性。入院后又有手足搐搦发作。心电图示Q-T间期572ms。患者入院后应常规进行的检查()
A.
血钙、磷
B.
血钾、镁
C.
甲状腺功能
D.
甲状旁腺功能
E.
全身CT
F.
动脉血气分析G.甲状腺放射性核素扫描
【简答题】(1)通常所说的化石燃料是指______. 我国东海和南海的海底有大量“可燃冰”,它是甲烷分子居于水分子形成的笼中的产物(如图所示),“可燃冰”是否属于化石燃料?______. (2)甲烷在0的海水中,只要压强达到3Mpa就能形成“可燃冰”.已知海底每增加10m,压强就增大0.1Mpa,在这一温度下,多深的海底可能找到“可燃冰”?______. (3)在“可燃冰”中,平均每46个水分子构成8个笼,...
【简答题】(1)通常所说的化石燃料有______、______、______(至少写三种).我国东海和南海的海底有大量“可燃冰”,它是甲烷分子居于水分子形成的笼中的产物(如图所示),“可燃冰”是否属于化石燃料?______.(填“是”或“否”) (2)甲烷在0℃的海水中,只要压强达到3Mpa就能形成“可燃冰”.已知海底每增加10m,压强就增大0.1Mpa,在这一温度下,多深的海底可能找到“可燃冰”?____...
【单选题】下图工程材料图例表示 ( )
A.
混凝土
B.
钢筋混凝土
C.
浆砌石
D.
干砌石
【单选题】患者女,64岁。因“痰中带血2个月”就诊。胸部CT提示右中叶近心缘旁占位,直径3cm左右,边界清晰,可见胸膜牵拉征。既往有右侧甲状腺肿大病史20年,左侧卵巢性索-间质肿瘤行手术切除史5年。若患者行外科手术切除病灶,术后病理:(右中叶)肺混合型腺癌,2.0cm×2.0cm×2.5cm,侵及肺膜,未侵及支气管,断端阴性;淋巴结转移:隆突下1/5,R41/2。下一步治疗方案,正确的是()。(提示右中叶近...
A.
术后定期随诊,每3个月复查胸LDCT及肿瘤标志物等;
B.
术后1个月左右进行辅助化疗
C.
术后1个月左右辅助放疗
D.
术后辅助化放疗
E.
中药及免疫支持治疗
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