皮皮学，免费搜题
登录
搜题
【单选题】
所有自然保护区都必须有()。A.
缓冲区
B.
核心区
C.
实验区
D.
经营区
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The geometry of is ( ).
A.
tetrahedral
B.
trigonal planar
C.
trigonal pyramid
D.
T-shaped
【简答题】geometry
【单选题】Out of the elementary plane geometry developed by the Greeks ______ we use today.
A.
the theoretical geometry evolution
B.
evolved the' theoretical geometry
C.
the evolution of theoretical geometry came
D.
the theoretical geometry came
【判断题】Euclid established the science of plane geometry and his work was Geometry .
A.
正确
B.
错误
【多选题】What does the question mark means in the geometry cell A2 in the analysis system mean?
A.
The geometry is not valid
B.
No geometry was imported.
C.
The analysis type is not defined
D.
The mesh is not generated
相关题目：