材料作文怎么写有几个疑问1材料作文写成议论文需要引几个事例呢?必须要三个以上吗?2材
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材料作文怎么写有几个疑问1材料作文写成议论文需要引几个事例呢?必须要三个以上吗?2材料作文可以写成记叙文或者散文吗?如果可以 应该怎么写呢?作文中需要引材料吗?