槐市

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槐市

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题型:名词解释

如图是某同学正在绘制的实验室用高锰酸钾制取氧气的装置图。请回答下列问题:

(1)将实验装置图补充完整;

(2)写出用该装置制取氧气的化学方程式                          

(3)在化学实验中使用仪器A的注意事项是                                

(4)将红热的木炭(用坩埚钳夹持)插入盛有氧气的集气瓶时.正确的操作方法是                          

题型:名词解释

IntroductionThe Institute of Administrative Accountants (IAA) has a professional scheme of examinations leading to certifi cation. The scheme consists of six examinations (three foundation and three advanced) all of which are currently assessed using conventional paper-based, written examinations. The majority of the candidates are at the foundation level and they currently account for 70% of the IAA’s venue and invigilation costs.There are two examination sittings per year and these sittings are held in 320 centres all over the world. Each centre is administered by a paid invigilation team who give out the examination paper, monitor the conduct of the examination and take in completed scripts at the end. Invigilators are also responsible for validating the identity of candidates who must bring along appropriate identifi cation documents. At over half of the centres there are usually less than ten candidates taking the foundation level examination and no candidates at all at the advanced level. However, the IAA strives to be a world-wide examination body and so continues to run examinations at these centres, even though they make a fi nancial loss at these centres by doing so.Recent increases in invigilation costs have made the situation even worse. However, the principles of equality and access are important to the IAA and the IAA would like to increase the availability of their examinations, not reduce it. Furthermore, the IAA is under increased fi nancial pressure. The twice-yearly examination schedule creates peaks and troughs in cash fl ow which the Institute fi nds increasingly hard to manage. The Institute uses its $5m loan and overdraft facility for at least four months every year and incurred bank charges of $350,000 in the last financial year.ExaminationsAll examinations are set in English by contracted examiners who are paid for each examination they write. All examinations are three-hour, closed-book examinations marked by contracted markers at $10 per script. Invigilators send completed scripts directly to markers by courier. Once scripts have been marked they are sent (again by courier) to a centralised IAA checking team who check the arithmetic accuracy of the marking. Any marking errors are resolved by the examiner. Once all marks have been verifi ed, the examination results are released. This usually takes place 16 weeks after the examination date and candidates are critical of this long delay. The arithmetic checking of scripts and the production of examination results places signifi cant demands on IAA full-time administrative staff, with many being asked to work unpaid overtime. The IAA also employs a signifi cant number of temporary staff during the results processing period.E-assessmentThe new head of education at the IAA has suggested e-assessment initiatives at both the foundation and advanced levels.He has suggested that all foundation level examinations should be assessed by multiple-choice examinations delivered over the Internet. They can be sat anytime, anyday, anywhere. ‘Candidates can sit these examinations at home or at college. Anywhere where there is a personal computer and a reliable broadband connection.’Advanced-level examinations will continue to be held twice-yearly at designated examination centres. However, candidates will be provided with personal computers which they will use to type in their answers. These answers will then be electronically sent to markers who will use online marking software to mark these answers on the screen. The software also has arithmetic checking facilities that mean that marks are automatically totalled for each question. ‘100% arithmetic accuracy of marking is guaranteed.’He has also suggested that there is no need to make a formal business case for the adoption of the new technology. ‘Its justifi cation is so self-evident that defi ning a business case, managing benefi ts and undertaking benefi ts realisation would just be a pointless exercise. It would slow us down at a time when we need to speed up.’Required:

(a) Evaluate the perceived benefi ts and costs of adopting e-assessment at the IAA. (15 marks)

题型:名词解释

保险公司在选择营销渠道时需要考虑的最重要的因素,就是______。

A.能否以最高的价格将保险商品推销出去
B.能否以最小的代价最有效地将保险商品推销出去
C.能否以最优质的服务满足消费者的需求
D.能否以最快的速度占领目标市场

题型:名词解释

“澄”以“登”为声符,“都”以“者”为声符,可是“澄”与“登”,“都”与“者”的声母却都不一样,为什么?

题型:名词解释

女,65岁。形体消瘦,久病腹痛,喜温喜按,常在进食生冷后加重,伴有神疲乏力,畏寒肢冷,舌淡苔白,脉象沉细。

根据上述证型,下列中医治疗方法中最适合该病例的是()

A.温中散寒止痛

B.散寒破结止痛

C.温中补虚,缓急止痛

D.散寒消食,化滞止痛

E.温补脾肾,散寒止痛

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