脐中至耻骨联合上缘的骨度分寸是（）。
A、4寸
B、5寸
C、6寸
D、8寸
E、9寸
参考答案：B
_______no doubt that a green campus plays an important role in the growth of students, both physically and mentally.
A．It is
B．There has
C．There is
D．It has
英译汉：“port of discharge”，正确的翻译为______。
A．装货港B．停靠港C．转运港D．卸货港
