亚洲与非洲的分界线是( )
A.乌拉尔山、乌拉尔河、大高加索山脉
B.白令海峡
C.直布罗陀海峡
D.苏伊士运河
亚洲与非洲的分界线是苏伊士运河,该运河沟通了地中海与红海.
故选:D.
_______ the school, he saw his parents ________ for him at the school gate.
A.At reaching; waited
B.On arriving; waiting
C.At arriving; waited
D.On reaching; waiting
我国新生儿败血症多见的病菌是()。
A.肠球菌
B.链球菌
C.葡萄球菌
D.大肠杆菌
E.绿脓杆菌