下列与青春期发育特征不相符的是( )
— Nowadays more and more foreigners are becoming interested in Beijing Opera.
—That's true. It's an important part of Chinese____________.
关于“祖国宝岛”台湾省的叙述,与实际情况不相符合的是( )
两块相同的竖直木板间有质量均为m的两块相同的砖,用两个大小均为F的水平力压木板,使砖均静止不动,如图所示.设所有接触面间的动摩擦因数均为μ.则( )