多音字组词
称 chēng____ chèn ____; 蒙 méng ____ měng____
Jack is late again. It is ______ of him to keep others waiting.
富饶____(ráo láo) 瑰____丽(guī kuí)
人参____(cān shēn) 参____加(cān shēn)
汉初的政治体制基本沿袭秦制,又恢复了秦代已废除的分封制,采用郡县与封国并行的体制。汉初的诸侯国突出特征是( )
水华结束后,水生植物重新长出属于群落的____ 演替.