Instructors at American colleges and universities use many different teaching【B1】______. Some instructors give【B2】______every d

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问题     Instructors at American colleges and universities use many different teaching【B1】______.  Some instructors give【B2】______every day. They grade homework. Students in their classes have to take many【B3】______a midterm exam, and a final exam. Other instructors give only writing tasks. Some teachers always follow a course【B4】______and usually use the textbook. Others send students to the  【B5】______for after-class work.
    The【B6】______in some classrooms is very formal. Students call their nstructors "Professor Smith", "Mrs. Jones", and so on. Some teachers wear【B7】______clothes and give lectures. Other classrooms have an【B8】______atmosphere. Students and teachers discuss their ideas.【B9】______.
    At most American colleges and universities, facilities for learning and recreation are available to students.【B10】______. They can buy books, notebooks, and other things at campus stores.【B11】______ Students can relax and have fun on campus, too. Some schools have swimming pools and tennis courts. Most have snack bars or cafeterias.
【B7】

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