中国古代祭祀天地的仪式很多,其中最为隆重的是()。
参考答案:封禅
In no country London, as has been mentioned, experience four seasons during the curse of a dingle day.
A.other than; one can
B.apart from; one can
C.other that; can one
D.rather than; can one
下列各组物质的鉴别方案中不正确的是( )
A.蒸馏水、澄清石灰水(分别取样于两支试管中,通入二氧化碳)
B.酒精、白醋(闻气味)
C.空气、二氧化碳、氧气、氮气(分别伸入带火星的木条)
D.二氧化锰、氯酸钾(观察颜色)