题目内容
22、When about one of the biggest problems today, many experts say that an energy crisis is approaching and is thus threatening mankind's survival．
A．asked B．being asked C．having asked D．asking
试题答案
22、A
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题目内容
22、When about one of the biggest problems today, many experts say that an energy crisis is approaching and is thus threatening mankind's survival．
A．asked B．being asked C．having asked D．asking
试题答案
22、A