进入血液的氧气最终在细胞的什么部位被利用( )
A:肺
B:组织细胞
C:叶绿体
D:线粒体
给下列句子选择正确的答语
____Is he drinking water? A. Yes, they are.
____Can you take him to the park? B. No, he isn't. He's eating.
____Whose book is this? C. He's in the kitchen.
____Are these all ours? D. It's Mike's.
____Where is Fido now? E. Of course.
甲烷和水反应可以制水煤气(混合气体),其反应的微观示意图如图所示:
根据以上微观示意图得出的结论中,正确的是( )
正确认识和评价自己的关键是( )