Our school is so famous that _______ people come and visit it every term.
A:hundred
B:hundreds
C:hundred of
D:hundreds of
31453×68765×987658除以11余多少?
学习了“基因在亲子代间的传递”后,小辉同学找来一根白色长绳,在长绳上用红、橙、黄、绿等颜色涂出了长短不一的区段,将长绳螺旋处理成短棒状.长绳、各颜色区段,短棒分别代表的是( )