用恰当的单词填空完成表格。
College students volunteer in the US
In ____
They ____books to the sick people or listen to their problems.
In old people's homes
They help to clean up or go ____.
In the ____clubs
They remember the problems of boys and girls
填写单位:玉林同学身高170 ____,温水的温度为50 ____.液体体温计是利用液体 ____的性质制成的.
下列变化中属于化学变化的是( )
惟商鞅变法,不顾人言,只能骤至富强,亦以召怨天下。……虽得天下,旋接踵而亡。有人认为秦朝灭亡的主要原因是因为商鞅变法,你是否同意这种观点?为什么?观点:原因: