I don't encourage people to take photographs like this without ____(允许), but by law we can publish.
已知角α的终边与以坐标原点为圆心,以1为半径的圆交于点P(sin2π3,cos2π3),则角α的最小正值为( )
小明看到病人输液时常用的葡萄糖的化学式是C6H12O6 ,他立刻做了以下计算。你帮小明检查一下,错误的是 ( )
—Which hobby do you think ______ the least time?
—Collecting stamps.
如图是商周时期,我国出现在成都平原的一种著名的青铜文化它是( )