This is Jim. He is thirteen. He is from the USA. He is a student. He has a good friend. His name is Jack. Jack is twelve. He is from Canada. Jack is tall but Jim is short. They are in the same class, 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.

根据短文内容，选择正确答案。

小题1:Jim and Jack are ____.

A．sisters

B．friends

C．teacher and student

D．from the same country(国家)小题2:Jim is ____.

A．short

B．tall

C．strong

D．big小题3:Jim and Jack are in ____.

A．the same class

B．different grades

C．the same color

D．the same family小题4:Jack is in ____.

A．Class 4

B．Class 3

C．Class 2

D．Class 1小题5:They go to school at ____ in the morning.

A．6:00

B．7:00

C．7:30

D．8:00

出自我国古医书《古今医统》的内容是（）。

A."启我爱医术，复爱世间人，愿绝名利心，尽力为病人。"

B."医本活人，学之不精，反为夭折。"

C."先知儒理，然后方知医理……。"

D."我愿尽余之能力及判断力所及，遵守为病家谋利益之信条。"

E."留神医药，精通方术……以善其生。"