以下关于第三方物流的描述,正确的是 ( ) 。A.第三方物流必须具有物流作业能力 B

题型:单项选择题

问题:

以下关于第三方物流的描述,正确的是 ( ) 。

A.第三方物流必须具有物流作业能力

B.第三方物流必须建设仓库

C.第三方物流必须自有运输工具

D.第三方物流必须负责物流系统的设计并对物流系统运营承担责任

考点:计算机软件水平考试中级电子商务设计师计算机水平考试中级电子商务设计师2008年下半年上午真题
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从信道的角度看,基于CQI的调度策略主要是挖掘系统的()增益。

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下图转化关系中,A、B、C、D、E都是短周期元素的单质,在常温常压下A是固体,其余都是气体,且C呈黄绿色。化合物H和I两种气体相遇时产生白烟。化合物G的焰色反应为黄色。反应①和②均在溶液中进行。

请按要求回答下列问题。

(1)写出下列物质的化学式D               、F                  

(2)反应①的离子方程式为                                      

(3)向K溶液中加入硝酸酸化的硝酸银溶液,反应的现象为           

(4)将少量单质C通入盛有淀粉KI溶液的试管中,液体变为蓝色。该反应的离子方程式为                              。这说明单质C的氧化性        于单质碘(填“强”或“弱”)。

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高聚物改性沥青自粘型防水卷材应存放在仓库里,不应放在露天场地,应有适宜的温度。( )

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完形填空:下面的短文有l5处空白,请根据短文内容为每处空白确定l个最佳选项。

Obesity(肥胖) Causes Global Warming.

The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming.

This ______(51)comes from Sheldon Jacobson of the University of Illinois, US, and a doctoral student, Laura McLay. Their study ______(52) how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year. ______(53)

There has been ______(54) for taxes on junk food in recent years. US economist Martin Schmidt suggests a tax on fast food ______(55)to people’s cars. "We tax cigarettes partly because of their health cost," Schmidt said. "Similarly, leading a lazy life style will end ______(56) costing taxpayers more."

US political scientist Eric Oliver said his first instinct was to laugh at these gas and fast food arguments. But such ______(57) are getting attention.

At the US Obesity Society's annual meeting, one person ______(58) obesity with car accident deaths, and another correlated obesity with suicides. No one asked whether there was really a cause-and-effect relationship. " The funny thing was that everyone took it ______(59)." Oliver said.

In a 1960s study, children were ______(60) drawings of children with disabilities and without them, and a drawing of an obese child. They were asked ______(61) they would want for a friend? The obese child was picked last.Three researchers recently repeated the study ______(62) college students. Once again, ______(63) no one, not even obese people, liked the obese person. " Obesity was stigmatized." the researchers said.

But, researchers say, getting______ (64) is not like quitting smoking. People struggle to stop smoking, and, in the end, many succeed. Obesity is different. Science has shown that they have limited personal control over their weight Genes also______ (65) a part.

59.(单项选择题)      

A.seriously

B.well

C.hard

D.greatly

题型:单项选择题

在实验室研究中,引起变化的因素是因变量。

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