某溶液中可能含有SO42-、CO32-、Cl-。为了检验其中是否含有SO42-,

题型:选择题

问题:

某溶液中可能含有SO42-、CO32-、Cl-。为了检验其中是否含有SO42-,除BaCl2溶液外,还需要的溶液是[ ]

A.稀H2SO4

B.盐酸

C.NaOH溶液

D.NaNO3溶液

考点:离子的检验
题型:选择题

女性患者40岁,10余年来左侧后牙反复发生疼痛。冷热刺激痛,夜间自发痛,在当地医院曾两次诊断为左侧支三叉神经痛。住院、服药,因患者不同意而没作手术。患者面容痛苦,口腔卫生极差。现在仍服用"卡马西平"。检查口腔见左侧上下后牙多个牙有邻面深龋洞,均未治疗,要求医师诊治。

应询问患者最重要的项目是()

A.服药的效果

B.扳机点的存在

C.食物嵌塞情况

D.夜间疼痛情况

E.疼痛的性质

题型:选择题

一笔存款10000元,期限2年,每年计复利一次,年利率10%,到期共获得利息( )

A.2000元

B.2100元

C.12000元

D.12100元

题型:选择题

绩效考评的三种类型:①行为主导型考评;②品质主导型考评;③效果主导型考评。按实际操作由难到易排列,正确的顺序应是()。

A.①②③

B.③②①

C.①③②

D.②①③

题型:选择题

Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened between. As was discussed before, it was not until the 19th century that the newspaper became the dominant pre- electronic (61) , following in the wake of the pamphlet and the book and in the (62) of the periodical. It was during the same time that the communications revolution (63) UP, beginning with transport, the railway, and leading on through the telegraph, the telephone, radio, and motion pictures into the 20th-century world of the motor car and the air plane. Not everyone sees that process in (64) . It is important to do so.

It is generally recognized, (65) , that the introduction of the computer in the early 20th century, (66) by the invention of the integrated circuit during the 1960s, radically changed the process, although its impact on the media was not immediately (67) . As time went by, computers became smaller and more powerful, and they became "personal" too, as well as (68) , with display becoming sharper and storage (69) increasing. They were thought of, like people, (70) generations, with the distance between generations much (71) .

It was within the computer age that the term "information society" began to be widely used to describe the (72) within which we now live. The communications revolution has (73) both work and leisure and how we think and feel both about place and time, but there have been (74) view about its economic, political, social and cultural implications. "Benefits" have been weighed (75) "harmful" outcomes. And generalizations have proved difficult.

(66)是()

A.brought

B.followed

C.stimulated

D.Characterized

题型:选择题

太平建筑公司承建黄平市友好饭店的扩建项目,部分工程分包给黄平二建、黄平三建,整个项目由亚冬监理公司监理。太平建筑公司董事长对生产安全事故的应急救援和调查处理提出以下问题,请回答。

发生生产安全事故后,()应当采取措施防止事故扩大,保护事故现场。

A.太平建筑公司

B.黄平二建

C.亚冬监理

D.黄平市建筑局

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