更换金属易熔塞及防爆片时(),以防高温水气喷射烧伤。A.不用考虑距离 B.不准距离过

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问题:

更换金属易熔塞及防爆片时(),以防高温水气喷射烧伤。

A.不用考虑距离

B.不准距离过近

C.要靠近

D.不准靠近

考点:外科护理(医学高级)刮板输送机司机考试刮板输送机司机考试题库
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放射性核素显像的方法是根据()。

A.超声传播的特性及其有效信息

B.根据人体器官组织密度的差异成像

C.射线穿透不同人体器官组织的差异成像

D.生物磁自旋原理

E.放射性药物在不同的器官及病变组织中特异性分布而成像

题型:单项选择题

耗能代谢

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Chu, a suitably qualified person, was appointed as the company secretary of Do plc. Since his appointment, Chu has entered into the following contracts in the name of Do plc:(a) an extremely expensive, long-term contract with Ex plc for the maintenance of Do plc’s photocopiers;(b) an agreement to hire a car from Far plc which Chu used for his own, non-business related purposes;(c) an agreement with Gro plc to landscape the garden of his, Chu’s, personal house.The directors of Do plc have only recently become aware of these contracts.Required:In the context of company law, with specific regard to the authority of company secretaries, advise the directors of Do plc whether the above agreements are binding on the company. (10 marks)

题型:单项选择题

某同学在夏天游玩时,看到有一些小昆虫可以在水面上停留或能跑来跑去而不会沉入水中,尤其是湖水中鱼儿戏水时吐出小气泡的情景,觉得很美,于是画了一张鱼儿戏水的图画如图所示,但旁边的同学参考到上层水温较高和压强较小的情况,认为他的画有不符合物理规律之处,请根据你所掌握的物理知识指出正确的画法(用简单的文字表述,不要画图),并指出这样画的物理依据.

(1)正确画法:_____________________________________;

(2)物理依据:_____________________________________;

(3)试分析小昆虫在水面上不会沉入水中的原因。

题型:单项选择题

在J.Martin倡导的信息工程方法实施中,将信息工程分为层次,并认为若干基础层次于后期实施是相对稳定的。以下( )不在其论述的基础层次之列。

A.物理数据库设计

B.主题数据库的详细数据模型

C.信息资源的战略规划

D.企业模型的建立

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