It was c____ that the president would visit China the following month.
下列常识表述有误的一项是( )
证明某溶液只含有Fe2+而不含有Fe3+的实验方法是 ( )
读“北半球某区域等压线分布图”,回答下题.
一年四季,风光流转,大自然恰似一位ruì____智的丹青大师。繁花似锦,她用多彩挥洒成qǐ____丽的春天;草木cōng____茏,她用浓绿泼就生机盎然的夏季;天地寥廓,她饱蘸靓丽的黄,涂抹出甜蜜的秋;瑞雪纷飞,水瘦山寒,她以冷jùn____描摹冬的神韵。