pH值的评价方法中计算公式正确的是() A. B. C. D.

题型:单项选择题

问题:

pH值的评价方法中计算公式正确的是()

A.

B.

C.

D.

考点:环境影响评价工程师环境影响评价技术方法环境影响评价技术方法
题型:单项选择题

有关我国和世界能源消费构成的叙述,正确的是[ ]

A.世界能源消费构成以煤炭为主

B.我国能源消费构成以石油为主

C.世界能源消费构成以石油为主,煤炭不占有重要地位

D.我国能源消费构成以煤炭为主,石油占有重要地位

题型:单项选择题

关于碱烧伤说法错误的是( )

A.强碱能使组织蛋白凝固坏死

B.碱对眼组织的渗透性强于酸

C.重度碱烧伤可表现为结膜缺血坏死.角膜瓷白色混浊甚至角膜穿孔

D.伤后10天内适当应用激素,可显著减轻炎症反应

E.应积极应用各种手术方法减轻并发症,促进创面愈合

题型:单项选择题

(一)资料
根据审计项目计划安排,2004年4月,某市审计局派出审计组,对该市大型国有企业A公司2003年度财务收支实施审计。审计人员在对销售与收款循环的审计中,实施的审计程序和相关情况如下:
(1)由于是初次审计,审计人员对该公司销售与收款循环的内部控制进行了详细的调查,调查了解到的部分控制如下:
①该公司设有专门的信用部门负责客户信用调查,并经授权批准是否给予客户赊销及其信用限额。
②销售、发货和开票分别由销售部门、仓库和财务部门负责。
③销货单、销售发票、发货单等都一式数联,预先连续编号。
④由于客户较多,财务部门人员有限,一般只与业务发生频繁的少数客户对账。
⑤该公司采用备抵法计提坏账准备,记录应收账款的会计人员负责批准并转销坏账。
(2)为了证实上述内部控制措施的有效性,审计人员进行了内部控制测试。
(3)根据内部控制测试的结果,审计人员决定将实质性测试的重点放在主营业务收入和应收账款的真实性上。其中对应收账款的部分测试情况和结果如下:
①核对应收账款明细账余额、总账余额和资产负债表中“应收账款”金额三者一致。
②通过分析性复核,本期应收账款没有异常变动。
③发函询证应收账款。该公司2003年末应收账款余额为1200万元,客户78个。审计人员将各客户按照余额大小排列,对前20名的客户,欠账金额910万元,进行积极式函证,收到回函14份,其中13份称应收账款余额正确无误,另外一份甲公司的回函表明A公司账上反映的70万元余额中有50万元货款已于2003年12月27日汇付,因此只欠20万元。
④取得应收账款账龄分析表。
⑤审查了坏账准备的提取和坏账核销的适当性,结果表明,该公司2003年多计提坏账准备100万元。
(二)要求:根据上述资料,为下列问题从备选答案中选出正确的答案。

A公司2003年多计提坏账准备100万元,造成的后果有( )。

A.少计费用100万元

B.多计费用100万元

C.少计资产100万元

D.多计资产100万元

题型:单项选择题

On Feb. 17, 2009, it could snow all across America. Not outside, but in living rooms, on TV sets. That’s the date when broadcasters will switch to digital transmission, rendering millions of standard analog TVs useless. Consumers can avoid this whiteout, but only if they’re prepared. And there’s the challenge: How to inform the roughly 20 million households relying exclusively on analog sets that pull in their reception for free, through rabbit ears or a rooftop antenna. Analog TVs that receive cable or satellite will not be affected.
Consumers who own these sets don’t necessarily need to know why the federal government is mandating the change (to free up the airwaves for other purposes, such as wireless and public safety communications-though added benefits are better pictures and more channels). But they do need consistent and unbiased information on what to do and they need to be able to act on it. With fewer than 18 months to go, though, 56 percent of viewers with analog sets have never even heard of the switch. The General Accountability Office, the government watchdog, is concerned that with two government agencies involved, "no one is in charge."
The Federal Communications Commission is worried, too. "If we don’t do a better job of planning, we’ll have one of the biggest outrages Congress has ever seen," FCC commissioner Jonathan Adelstein told US senators last month. The options for consumers are fairly straightforward. Starting with the least expensive one, they are:

  • a) buying a converter box using government coupons’
  • b) subscribing to cable or satellite TV services, which will make the transition on their end, or
  • c) buying a digital TV. But sharing this information is anything but simple. Because it has only $ 5 million to get the message out, the government is turning to the private sector for help with public-service announcements and educating consumers in stores. This partnership makes sense, if done right. Certainly, the broadcasting industry wants viewers to keep on watching, However, there’s a danger in their self-interest. Naturally, retailers also want people to buy new digital televisions instead of opting for low-cost converters, and cable and satellite providers want new subscribers. And industry may not have enough of a financial incentive to reach out to certain analog viewing groups, such as the poor or elderly (seniors make up 40 percent of analog households).
    Other serious issues remain. One is whether the converter boxes will be uniformly available in stores. Beginning in January, households should be able to apply to the Commerce Department’s National Telecommunications and Information Administration for up to two $ 40 coupons to offset the costs of converter boxes expected to be priced from $ 50 to $70. But some retailers may not stock the boxes if they don’t have much demand for them.
    And what about recycling analog televisions, of which there are an estimated 70 million More than anything, what’s needed is oversight and coordination of the conversion. Congress should designate one of the two government agencies involved in this project to take the lead, or empower an independent group to oversee the transition.


Why does the author say that "But sharing this information is anything but simple." (para. 3)

题型:单项选择题

()是将作业不需要或暂时不需要的部分移到外存,让出内存空间以调入其他所需程序或数据。

A.覆盖技术

B.交换技术

C.虚拟技术

D.物理扩充

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