机体受刺激而发生应激反应的系统是()
A.交感-肾上腺髓质系统
B.迷走-胰岛素系统
C.下丘脑-神经垂体系统
D.下丘脑腺垂体-甲状腺轴
E.下丘脑-腺垂体-肾上腺皮质轴
参考答案:E
.
Animals suffered at the hands of man________they were destroyed by people to make way for agricultural land to provide food for more people.
A.in which
B.for which
C.so that
D.in that
船舶的航向有( )。
A.罗经航向
B.真航向
C.航迹向
D.陀螺航向