American schools are quite different from those in China． In America, at the beginning of the term, students must select （挑选） their subjects and teachers first．

    Selecting is very important for your marks in America． So at the first term, don't select too many subjects, or you'll feel very nervous and tired． Then you have to ask for some teaching plans． There is some information about subjects, time arranging, marks and textbooks． At the same time, you must choose the teachers． Different teachers have different teaching methods． If the teacher is called "killer" by the last grade, many students will give up choosing him, because this kind of teacher will leave too much homework, too many exams and give too low grades． There is another thing after you select the subjects and teachers． How to buy textbooks makes each student feel hard． The textbooks in America are very expensive． Each one is about ＄30﹣50． In order to save money, many students buy some used textbooks, and some students usually borrow textbooks from the school library．

    In class, discussing is very important． The teacher encourages you to ask questions or show your own opinions． They don't usually ask you to sit well． Instead they allow you to sit or stand anywhere you like．

（每小题不超过三个词）

Students	1． （1）　　 must be selected at the beginning of the term． 2． At the first term, students can't select too many subjects, or they'll feel very （2）　　． 3． Students can't select teachers called （3）　　． 4． Many students buy some used textbooks （4）　　．
Teachers	1． The teachers encourage students to ask questions or show their opinions． 2． They allow students to sit or stand anywhere they like instead of （5）　　．