A:无细胞壁
B:无细胞核
C:含有较少的具膜的细胞器
D:无众多的细胞器
如图是“某城市热岛形成的热力环流示意图”.据此完成下题.
① Are these all ours? ____ A. It is Zhang Peng's.
② Whose is it? ____ B. Yes,it is.
③ Is this yours?____ C. Yes. they are.