()是亚洲东部温带-亚热带植物区系的发源地和集散地之一。
A.武夷山自然保护区
B.九连山自然保护区
C.官山自然保护区
D.井冈山自然保护区
参考答案:B
眼眶异物X线定位法,下列哪种最常用()
A.手术切口标记定位法
B.多发性眶内异物定位法
C.角膜接触直接定位法
D.生理学定位法
E.几何学定位法
When designing a project, you should be careful enough not _____ that is important. [ ]
A. to leave anything out
B. to leave out anything
C. to take out anything
D. bring anything out