古人对于父母的死有委婉的称谓，父亲去世曰“内艰”，母亲去世曰“外艰”。
参考答案：错
Is it in this room in _____ the great writer once lived ____ he finished his last works?
A．which; that
B．that, where
C．that; which
D．where; that
根据《全国生态环境保护纲要》，下列不属于重要生态功能区的是( )。
A．江河源头区 B．江河洪水调蓄区C．防风固沙区 D．原始森林重点保护区
