一、為下列加粗字注音
呱呱()墜地掐()抽屜()無動於衷()
心扉()譏諷()歧()視鄙()視
二、為下列多音字注音組詞
呱()______創()_______系()________
()______()_______()________
三、解釋下列加粗的詞語
1.呱呱墜地：_______________________________________________________________
2.無動於衷：_______________________________________________________________
3.幸災樂禍：_______________________________________________________________
4.居高臨下：_______________________________________________________________
