This is Jim. He is thirteen. He is from the U.S.A. He is a student. He has a good friend. His name is Jack. Jack is fifteen. He is from Australia. Jack is tall but Jim is short. They are in the same class, but they are in different grades. Jim is in Class Two. Jack is in Class Two, too. They go to school(上学) at seven in the morning and go home(回家) at six in the afternoon. 小题1:Jim and Jack are ____. A．sisters B．friend C．teacher and student D．from different countries(国家) 小题2:Jim and Jack are in ____. A．the same grade B．different grades C．the same color D．the same family(家庭) 小题3:Jack is in ____. A．Class 4 B．Class 3 C．Class 2 D．Class 1 小题4:They go to school at ____ in the morning. A．6:00 B．7:00 C．7:30 D．8:00 小题5:Jim is ____. A．short B．tall C．strong D．big