A:蓝藻能进行光合作用是因为含有叶绿体
B:有些原核生物的遗传物质是RNA
C:乳酸菌虽然没有细胞核,但是有染色体
D:霉菌的细胞中含有两种核酸
--- Lots of trees and flowers ________ in Zhangzhou every year.
--- You're right. That makes our city more and more beautiful.
任何物质在土壤中都能变成腐殖质。( )