填空题

Oil in this world will be exhausted one day, in the future, but that may not come so soon as we would suppose.

【参考答案】

N

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填空题

What emitted from the exhaust pipe of the GM minivan the author drove is so clean that it is drinkable.

问答题

补考是大学教育的一部分 2.我对补考的看法 3.如何发挥补考的作用 My Views on Remedial Examinations