项目的社会评价中，分析是否会诱发民族矛盾称为( )。
A．社会影响分析
B．互适性分析
C．社会风险分析
D．政治风险分析
参考答案：C
This is one of the happiest days ____ spent in my life.
A have ever been B that has never been
C which was ever D we have
便利店商品应遵循（）的安全码放标准。
A、整齐
B、先进先出
C、垂直
D、平稳
