A、evening meal. B、afternoon tea. C、breakfast. D、snacks. A在文章的中心部分。第三段。学生在做此题之前应先把关键词main meal划下来，然后抓住关键词做出答案。考生在类似细节题的时候最好的办法还是

Everyday dress is appropriate for most visits to peoples’ homes. You may want to dress more formally when attending a holiday dinner or cultural event, such as a concert or theater performance.
    When you meet someone for the first time it is proper to shake hands with everyone to whom you are introduced, both men and women. An appropriate response to an introduction is "I am happy to meet you". If you want to introduce yourself to someone, extend your hand for a handshake and say "Hello, I am... ". Hugging is only for friends.
    The evening meal is the main meal of the day in most parts of Britain and many people en joy eating together with friends and family.
    Food may be served in one of several ways: "family style," by passing the serving plates from one to another around the dining table; "buffet style," with guests serving them selves at the buffet; and "serving style," with the host filling each plate and passing it to each person. Guests usually wait until everyone at their table has been served before they begin to eat. Food is eaten with a knife and fork and dessert with a spoon and fork.