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The passage gives a general description of both the advantages and disadvantages brought by a hydrogen economy. The hydrogen ca
The passage gives a general description of both the advantages and disadvantages brought by a hydrogen economy. The hydrogen ca
admin
2009-04-23
24
问题
The passage gives a general description of both the advantages and disadvantages brought by a hydrogen economy.
The hydrogen can be generated from __________________ or produced by reforming fossil fuels.
选项
答案
electrolysis of water
解析
本题考查氢的具体生成办法,从而将目标锁定在Where Does the Hydrogen Come From?下。该部分首段指出There are two possible sources,即electrolysis of water 和 reforming fossil fuels。
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0
大学英语六级
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