单项选择题

案例分析题

Several days ago，some students from the US visited our school．When we talked，l discov-ered （41）differences in school life between the US and China．For example，each class （42）fifty minutes in the US．It is a little （43）than that in China．We usually have forty or forty-five minutes iii each class．Another difference is that they have less break time between （44）．13esides，although most schools in both countries finish their （45）classes at 120’clock，the students in the US only have an-hour-long break，so they （46）eat lunch quickly．Their af-ternoon classes begin at l：00pm and school is over （47）3：00pm．Then they take part in club activities or play sports．
Many Chinese students don’t work during their high school years ，while the US students．like to find a part-time job in （48）free time．They don’t have a dream job in mind．They think （49）is no difference between jobs．Working is a useful experience for them and they make money at the same time．Some of them even take one-year full time jobs （50）they leave high school and then go to college．

41．（）