【单选题】H 2 S 的杂化方式是 .......................................... ( )
【单选题】Love is ________ Mummy sees Daddy smelly and sweaty and still says he is more handsome than David Beckham.
【简答题】He was so sweaty after the that he literally had to peel ______his shirt.
【单选题】漂粉精的有效成分是 ...........................................................................( )
【简答题】AIED是人工智能+教育缩写,其英文全称为(作答时每个单词之间请用一个空格隔开)
【单选题】CS 2 的杂化方式是..........................................( )