One Saturday evening, their mother put them to b__小题1:____. Then she said to them. “Now be q__小题2:___ and go to sleep quickly.”  The boys were quiet for a few minutes, but then they s__小题3:____ crying. Their mother went to their room, and asked, “W__小题4:__ are you crying, boys?” Tommy got out of the bed and said, “Jimmy w__小题5:___ half of the bed.” The mother said, “Then give him half of the bed. He’s nearly as b__小题6:___ as you.”

“But,” Tommy said ，“He wants his half in the middle of the bed.”  

关于海马结构的解剖，下列哪项不对（）

A、一般认为海马结构属于边缘系统 

B、海马结构兼有灰白质 

C、海马结构包括海马、齿状回、下托、海马槽、海马伞穹隆 

D、海马齿状回、下托属于灰质成分，海马槽、海马伞、穹隆属于白质成分 

E、海马齿状回、下托属于白质成分，海马槽、海马伞、穹隆属于灰质成分