【简答题】读一读,写名称。 A: Where is the teacher's office? B: It's on the first floor. A: Where is the art room? B: It's on the second floor. The music room is on the second floor, too. A: Is the can on the first...
【简答题】读-读,说一说,看图完成对话。 — Where is the can? — It's on the first floor. — Where is the teacher's office? — It's ___________________________. — Where is the classroom? — It's ___________________________.
【单选题】Where is the canteen? It's ___ the first floor. [ ]
【简答题】减数分裂双线期可以看到因非姊妹染色单体发生交换而出现的[填空(1)]。
【单选题】下列四项中主要用于在Internet上交流信息的是____。