题目内容：
听材料，回答下列各题：You probably have noticed that people express similar ideas in different ways, depending on the situation they are in. This is very ____26____ All languages have two general levels of usage : a formal level and an informal level. English is no ____27____. The difference in these two levels is the situation in which you use a ____28____ level. Formal language is the kind of language you find in textbooks, ____29____, and in business letters. You would also use formal English in compositions and ____30____ that you write in school. Informal language is used in conversation with colleagues, family members and friends, and when we write ____31____ notes or letters to close friends.
Formal language is different from informal language ____32____. First, formal language tends to be more polite. What we may find interesting is that it usually takes more words to be polite. For example, I might say to a friend or a family member, "Close the door, please. " but to a ____33____, I probably would say,"Would you mind closing the door?"
Another difference between formal and informal language is some of the ____34____. There are bound to be some words and phrases that ____35____ formal language and others that are informal. Let's say that I really like soccer. If I'm talking to my friend, I might say "I'm just crazy about soccer !" But if I were talldng to my boss, I would probably say "I really enjoy soccer. "
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