— He has a sore back.
A:What is he
B:What does he do
C:What's the matter with him
D:What does he look like
下列有关植物细胞能量代谢的叙述,正确的是( )
下列关于课文《台阶》内容解说有误的一项是( )。
如图是某同学观察人的口腔上皮细胞临时装片时看到的视野,你认为下列分析错误的是( )