—The hazy weather has ________ for almost a week in North China.—Yes, and the government has tried to solve it.
A:finished
B:lasted
C:begun
D:passed
俄罗斯著名的煤炭生产基地是( )
下列选项中均属于遗传病的是( )
划分唯物主义和唯心主义的唯一标准是( )
读世界大洲、大洋分布图,回答问题.