先看这样一组句子.例(一):他们打了她.例(二):她被他们打了.例(一)是主动句,例(二)是被动句.例(一)强调的是“他们”,例(二)强调的是“她”.着眼点不同,写作者的思想感情自然也有些不一样.由些可见,句式不同,表达的效果也略有不同.再看下一组句子.例(三):将军一面走,一面四下里看着,劳动的场景深深地激动着他.例(四):将军一面走,一面四下里看着,他 Look at this group of sentences first. Example (a): They hit her. Example (b): She was beaten by them. Example (a) is an active sentence, and case (b) is a passive sentence. Example (a) emphasizes It is “they”. Example (II) emphasizes “her”. With different focus, the author’s thoughts and feelings are naturally different. From the others, the sentence patterns are different, and the effect of the expression is also slightly different. A group of sentences. Example (3): The general looked away as he walked sideways. The scene of labor was deeply agitated. Case (4): The general walked sideways and looked around. He