论文的三段式结构读后感聚集(2)

三段式议论文的写作方法
1)议论文常用的方法议论文的方法有：举例论证、分析论证、引证论证、对比论证和类比论证。还有反证法，证明对方论点是错误的，自己的观点是正确的，从而驳倒对方。
2)议论文的要求
(1) 论点要正确、鲜明。
在论证中，无论是对正面观点的阐述，还是对反面观点的反驳，自己的论点都必须正确，鲜明，赞成什么，反对什么，必须鲜明地表示出来，不能含糊不清。
(2) 论据要充实可靠。
这就要求作者选择论据要典型，要真实可靠。只有充实的`论据，文章才有说明力。
(3) 论证要合乎逻辑。
这就要求论证时，说理要严谨，推理要合乎逻辑。最常见的议论文结构是纵贯式，就是按提出问题、分析问题、解决问题的逻辑顺序来安排层次，即：开头(引论)→本论(正文)→结尾(结论)，也就是我们常说的“三段式结构”。
Challenge (向…挑战)Old Beliefs(信念,信仰)
There are many things in the world which are accepted as certain when they are not certain, and what an expert(专家) says or thinks must not be accepted or rejected(抛弃) hastily(急忙地). The following example may help to make us less rigid in our beliefs.
When helium(氦) is cooled to very low temperature, it forms an astonishing liquid which does not appear to agree with the laws of gravity. It can go upwards.(向上) If it is put into a bottle which is open at the top, it empties itself out of the bottle; and if an open bottle is stood in this liquid, the liquid will move up the outer (外部的)side of the bottle and run down inside it until the levels outside and inside are the same.