填空题

The passage gives a general description of both the advantages and disadvantages brought by a hydrogen economy.

【参考答案】

N

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填空题

Compared with other major industrialized countries, the United States depends more heavily on oil import.

问答题

你的朋友王晓正在考虑毕业后是继续深造还是直接找工作；2．写信表明你的态度并陈述理由。 A Letter to my good friend