小题1:B
小题2:D
小题3:C
小题4:D
小题5:A
语篇解读 本文是一篇说明文。主要介绍了委婉语在英语中的广泛应用，并提醒英语学习者，要在沟通中注意委婉语的意思和用法，以免出现尴尬状况。
小题1:解析： 细节理解题。根据文章第一段第一句“A euphemism (from the Greek words eu—well and pheme—speak) is a word or expression that is used when people want to find a polite or less direct way of talking about difficult or embarrassing topics like death or the bodily functions.”可知，答案B“为了避免尴尬”符合文意。
答案： B
小题2:解析： 细节理解题。根据文章第一段最后一句“Many people prefer to call someone plain than ugly，or cuddly rather than fat.”可知，答案D符合文意。
答案： D
小题3:解析： 细节理解题。根据文章第二段第三句“He might be aware that his American friend n3eds to use the toilet when she asks where the bathroom (or restroom，or comfort station) is，but he is less likely to guess that his English friend has the same need when he says he has to see a man about a dog.”可知，答案C符合文意。
答案： C
小题4:解析： 推理判断题。根据文章第二段第二句“...not only has to make sense of the...also has to learn...in any particular situation.”及对第二段的整体理解可知，列举了英语中应用委婉语的不同情形，从而给英语学习者提醒：要在沟通中注意委婉语的意思和用法，以免出现尴尬状况。
答案： D
小题5:解析： 细节理解题。根据文章最后一段第二句“At Frankfurt International School，for example，the special lessons given to students who are having difficulties in their school subjects are called Study Center (in the middle school) and Academic Workshop (in the high school)．”可知，答案A符合文意。
答案： A