A:got through; pay
B:looked through; face
C:gone through; suffer
D:passed through; destroy
①A、B分别表示细胞和液泡的长度
②B值越小,表示细胞失水越多
③若将细胞置于清水中,A的体积略有增大
④若该细胞处于40%的蔗糖溶液中, BA 的值将变大
She is my____(grandfather/grandmother).
She is____(old/young).