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【单选题】
下图显示的是一个spss文档,请问Relation这个变量的数据类型是什么?A.
日期型
B.
文本字符串型
C.
数字型
D.
科学计数型
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【单选题】At the present time, 98 percent of the world energy consumption comes from stored sources, such as fossil fuels or nuclear fuel. Only hydroelectric and wood energy represent completely renewable sourc...
A.
describing a phenomenon and explaining its causes
B.
outlining a position and supporting it with statistics
C.
isolating an ambiguity and clarifying it by definition
D.
presenting a problem and advocating a solution for it
【单选题】According to the passage, the most popular form. of renewable energy in the world is_________
A.
hydroelectric power.
B.
solar energy.
C.
wind powers
D.
tidal power.
【单选题】By the year of 2020, the world energy consumption is predicted to increase by______
A.
100%
B.
200%
C.
50%
D.
150%
【单选题】In China, as in many parts of the world, energy __________ is an issue which gets a lot of attention these days.
A.
preservation
B.
reservation
C.
conservation
D.
consideration
【简答题】将下列段落翻译成中文 With the increasing global energy demands in the future, geothermal energy usage is set to increase. There is potential for geothermal developments in many countries all over the world wher...
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