–What do you think of this ________?–I love it. I learned a lot about Steve Jobs after reading it.
A:orange
B:schoolbag
C:movie
D:book
某人尽力吸气3000mL,然后又尽力呼气4000mL,其肺活量是( )
已知8gA能与32gB恰好完全反应,生成22gC和一定量D,现将16gA与70gB的混合物充分反应后,生成2molD和一定量C,则D的摩尔质量为 ____
下列物理中估测正确的是( )