磁体间的相互作用规律是:同名磁极互相排斥,异名磁极互相______.
磁体间的相互作用规律是:同名磁极互相排斥,异名磁极互相吸引.
故答案为:吸引.
下列不属于北京的世界文化遗产的是( )
A.长城
B.故宫
C.周口店猿人遗址
D.承德避暑山庄
He was disappointed that his plan did not ___.
A.go on
B.go off
C.go through
D.go out