Many people try to jump the q____ for the tickets.
Lucy likes English very much . She does her best _____it well.
下列关于环节动物特征的叙述,正确的是( )
下列关于文学常识的表述,正确的一项是( )
把金属x放入CuCl2溶液中,其表面有红色物质析出,放入ZnCl2溶液中无变化。则X、Cu、Zn三种金属的活动性顺序由强到弱,正确的是