根据句意和所给中文提示填空，每空一词
【小题1】--- I wonder why he has been acting so strangely these days.
--- Recent pressure at work may__________（解释）his behavior.
【小题2】I feel honored to have this chance today to talk to you about the United Nations or the UN, as it is more often__________（谈及、提到）.
【小题3】The water in some areas is so polluted that it is unsafe even to touch, __________（更不用说）to use for irrigation or drinking.
【小题4】We’re not here to_____ ourselves_____（祝贺）what we have done but to challenge ourselves to finish what has not yet been done.
【小题5】We will continue to_____ _____ _____（支持，捍卫）the universal rights of all people, even for those with whom we disagree.
【小题6】The reading course book, _____ _____ _____（除…之外）its reference books, is very helpful to college students.
【小题7】Nancy wants to have a family where all the members are able to spend the maximum amount of their precious time_____ _______________（享受彼此的陪伴）
【小题8】There are lots of programs____________________（在…的管理下）the UN that have helped millions of people across the world.