— At least you have given me some advice.
A:No problem
B:No way
C:With pleasure
D:Thanks anyway
下列关于生物生殖和发育的叙述,正确的是( )
He is a good friend you.
氯化钠在20℃时的溶解度为36克.则20℃时,氯化钠饱和溶液中溶质、溶剂、溶液之间的质量比正确的是( )