—They're ________.
A:What; running
B:Who; running
C:What; run
D:Where; running
每逢暴雨,贵州山区容易引发的地质灾害是( )
假如一粒花生米燃烧,使锥形瓶内的20ml水由25℃升高到35℃(提示:1ml水每升高1℃需要吸收4.2 焦的热量),锥形瓶内的水吸收了____ 焦的热量.实际上此粒花生全部燃烧产生的热量比上述热量____ .(填多或少)