They sting or bite withoutprovocation; they fly uninvited into our roomson summer nights, or beat against our lightedwindows. We live in dread not only ofunpleasant insects like spiders or wasps, but of quite harmless one like moths.Reading about them increases our understanding without dispelling our fears.

　　4.They sting or bite without provocation; they fly uninvited into our rooms onsummer nights, or beat against our lighted windows.

　　它们无缘无故地又叮又咬;夏天的晚上，它们未经邀请便飞到我们房间里，或者对着露出亮光的窗户乱扑乱撞。

　　语言点:句子结构分析:注意本句中的分号，其作用是分隔两个等立的分句。

　　5.We live in dread not only of unpleasant insects like spiders or wasps, but of quiteharmless one like moths.

　　我们在日常生活中，不但憎恶如蜘蛛、黄蜂之类令人讨厌的昆虫，而且憎恶并无大害的飞蛾等。

　　语言点:句子结构分析:not only…but(also)…连接两个并列的宾语。

　　6.Reading about them increases our understanding without dispelling our fears.

　　阅读有关昆虫的书能增加我们对它们的了解，却不能消除我们的恐惧的心理。

　　语言点:句子结构分析:注意本句中的三个现在分词:reading about them是动名词短语作整句的主语，ourunderstanding为宾语，withou dispelling our fears 作状语。