在英语教学中运用例句必须遵循科学性、思想性、直观性、趣味性及整体优化等原则。一、科学性原则是运用例句教学的基本前提例句教学的科学性有两层含义：第一，所用例句在内容和形式上必须正确且准确；第二，例句的运用方式恰当且数量适中。例句正确且准确是指例句用语准确，? The use of sentences in English teaching must follow the principles of science, ideology, intuition, interest, and overall optimization. First, the scientific principle is the basic premise of the use of sentence-based teaching. The scientific nature of the example sentence teaching has two meanings. First, the used example sentence must be correct and accurate in content and form. Second, the sentence sentence should be used in a proper and appropriate manner. Correct and accurate example sentences mean that the example sentences are accurate.