A:细胞吸水,菜变硬挺
B:细胞失水,菜变硬挺
C:细胞吸水,菜变皱缩
D:细胞失水,菜变皱缩
The teacher often tells Jim and David _______ too much time _______ computer games.
在同纬度的地区,相对位置偏东的地点要比偏西的地点( )