若a=log43,则4a﹣4﹣a=____
When and where we'll hold the meeting ________ not been decided yet.
Today is______. ( )
小明用糖汁在地上写下“百年潮,中国梦”.不久后,蚂蚁就在地上排列出这几个字形.小明是利用了蚂蚁的( )