A注册会计师是R公司2004年度会计报表审计的项目经理，在运用审计抽样确定应收账款函证的样本量时，注意到R公司2004年12月31日应收账款余额为150000000元，由2000户顾客构成。假定计划抽样误差为70000元，考虑到内部控制及抽样样风险的可接受水平，A注册会计师确定可信赖程度为 90%，可信赖程度系数为1.65，估计总体标准离差为180元。A注册会计师在审计工作底稿中记录有以下事项，请分别判断其是否正确。
抽样审计结果表明样本平均值为500000元，样本标准离差为300元，因此估计的总体金额为150000000元。（）
Singapore’s Mixed Reality Lab is working on new ways of interacting with computers, including wearable devices and virtual war room that will allow officials to work together online as if they were all in one place. Its director is a spiky-haired Australian, a postmodern match for the fictional British agent James Bond’s tool man, O. It is funded by the Defense Science & Technology Agency, which controls half the $ 5 billion defense budget, and sponsors hundreds of research projects every year. The agency came to worldwide attention last year when it took just one day to customize a thermal scanner in order to detect travelers with high fever, helping to stem the spread of SARS.
DSTA is now working on a range of projects that are attracting attention in both the commercial and military worlds. It devised an air-conditioning system that harnesses melting ice and cool seawater to conserve electricity at the new Changi Naval Base, and could have broad
A. it is made of a new material resembling plastics.
B. it can reduce harmful effects of chemicals on it.
C. it has been adapted to the tropical weather there.
D. its light weight allows soldiers to carry more equipment.
| Zoos are among mankind’s oldest
institutions, dating back at least 4,500 years, and probably more. Across the
world they have brought together and displayed live wild animals for people to
look at and over the years {{B}}{{U}}hundreds of millions{{/B}}{{/U}} have. Any
institution with so long a history and so universally attended must reach
something in people deeper than idle curiosity. Since it is fashionable to speak
of roots today, it might be suggested that zoos allow us to stay in touch with
our most primitive roots in a primeval world where human survival depended on
knowing the shapes and habits of wild animals. So important were wild creatures
to our distant ancestors that they were the most frequent subjects of paintings
on cave walls, formed the basis for virtually all early religions, and were in
numerous instances A. enable people to experience the feeling of being in the nature B. bring poor people a sense of comfort with the sight of animals C. make people cherish their life more by knowing animals’ fate better D. serve noble people from less than two aspects in the long run [单选题]生产中使用或者产生爆炸下限小于( )的可燃气体的场所,属于甲类火灾危险性场所。
A..5%; B..10%; C..15%; D..20% [判断题]高压客户方许可人由客户具备资质的电气工作人员担任，也可由客户委托承装（修、试）客户设备的施工方具备资质的电气人员担任。
A.正确 B.错误 [填空题] When two hands meet, we pass on something of ourselves. After 【26】 to Mark Twain, Helen — who was both deaf and blind — commented, "I can feel the twinkle of his eye 【27】 his handshake. " In some indefinable way, Twain had 【28】 his charm to Keller.
And that’ s probably been true of the handshake all the 【29】 back to its earliest days, —【30】 no one can tell its actual 【31】. A common explanation is that 【32】 early man encountered a stranger, he 【33】 out his hand to show he had no weapon. From this, supposedly, 【34】 the handshake.
Not so, says historian Brian Burke. He believes, the handshake 【35】 "putting your blood behind your breath. " He explains that ancient people 【36】 the spoken word alone, and they used the handclasp to signify that their 【37】 was backed up by the 【38】 of their heart — i. e. , their blood. 【39】, the handshake suggested trust.
That 【40】 of trust has survived to this day. People in business often 【41】 agreements simply by declaring, "Let’s shake 【
A. A．got B．held C．gave D．turned [单选题]与社会保险相比，人身保险的经营主体为（ ）。
A.商业保险公司 B.当地社会保险事业管理局 C.社会保险基金管理中心 D.以上都可以 [填空题]锅炉定排是排除炉水内的（ ），定排还有加强（ ）、减小（ ）的作用。
我来回答: 提交
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