别人请求的事情,应该尽量答应,至于能不能兑现则无关( )
属于二十四节气的有( )
You had better ____ (not eat) so much fried chicken. ____ (eat) too much ____(make) you unhealthy.
356×6的积是( )
室温时,有两瓶KNO3溶液,一瓶是饱和的,另一瓶是不饱和的,下列无法区别两种溶液的是( )