赤道
参考答案:
通过地心并和地轴垂直的平面与地表相交而成的圆,就是赤道。
One-third of the country ______ covered with trees and the majority of the citizens black people.
A. is; are B is; is C are; are D are; is
造成()人以上重伤(包括急性工业中毒),构成特别重大事故。
A、50
B、100
C、150
D、200