儿童在谈话中能较为密切地围绕主进行,并会主动回应、质疑、反驳成人或同伴的观点,通过初步思考提出新的观点,促使谈话主的纵向深入,这种谈话能力所属的年龄阶段是( )
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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