填空题
You probably have noticed that people express similar ideas in different ways, depending on the situation they are in. This is very (1) . All languages have two general levels of (2) : a formal level and an in formal level. English is no (3) . The difference in these two levels is the situation in which you use a (4) level. Formal language is the kind of language you find in textbooks, (5) books, and in business letters. You would also use formal English in compositions and (6) that you write in school. Informal language is used in conversation with (7) , family members and friends, and when we write (8) notes or letters to close friends. Formal language is different from informal language in several ways. First, formal language tends to be more polite. (9). For example, I might say to a friend or family member, "Close the door, please," (10). Another difference between formal and informal language is some of the vocabulary. (11). 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 talking to my boss, I would probably say "I really enjoy soccer."
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