A:KMnO4溶液
B:NaClO溶液
C:饱和NaHCO3溶液
D:饱和Na2CO3溶液
读一读,选出不同类的单词。
____ A. yellow B. red C. blue D. ball
____ A. mix B. lemon C. apple D. pear
____ A. long B. short C. candy D. round
____ A. train B. hear C. find D. taste
____ A. bike B. can C. bus D. ship
细胞的下列结构与生物遗传关系最密切的是
She's _______than me.