A:聚丙烯的结构简式:CH2﹣CH2﹣CH2
B:丙烷分子的比例模型:
C:四氯化碳分子的电子式:
D:1丁烯分子的键线式:
如图所示,猴子看见月亮在井中,就要去捞,结果什么也没捞到。关于水中月亮离水面的远近,以下说法正确的是 ( )
For all these years, I have been working for others. I'm hoping I'll ________my own business someday.