I still consider Jack as one of my best friends though ______ he did caused some ______ to his fame.
A:that; destruction
B:what; damage
C:which; destroy
D:what; damages
柑橘的果肉酸甜可口,其酸甜的物质主要储存在细胞的( )里.
某生物兴趣小组为探究食品腐败的原因,设计了如下实验:取两个规格相同的烧瓶,同时灌入等量的肉汤,煮沸降温后进行持续观察.装置如图所示.预测实验的结果,可能性最大的是( )
My mother ____ (not cook) every evening.