把2米长的线段平均分成5份,每段长2/5米。
正确
暂无解析
My goodness! What happened? You have blood on your face.
—_________ I just killed a pigeon.
下列句子括号中的成语,使用恰当的一项是()
The manager together with his two secretaries__________for Hong Kong to attend a meeting there.
下列各句中,加点成语使用恰当的一句是
实数 lg4+2lg5 的值为()