①细胞壁 ②细胞膜 ③细胞核 ④线粒体 ⑤叶绿体 ⑥液泡
A:①②③
B:②③④
C:③④⑤
D:④⑤⑥
阳春三月,是踏青的好时节,当我们看到小草青青,听到虫鸟鸣叫,闻到空气清新、百花芬芳时,我们的感受是( )
— Simon, when are we going to have a class meeting this week? — Sorry. Ask our monitor, please. He know.