How old your mother ?[ ]
A. am
B. is
C. are
答案:B
下列实验操作叙述正确的是( )
A.过滤时,漏斗中液面低于滤纸的边缘
B.加热蒸发过程中,当溶液蒸干时停止加热
C.用pH试纸测定溶液的酸碱度时,将pH试纸放入待测液中蘸取
D.倾倒液体时,试剂瓶口紧挨着试管口快速倒入
— How do you like this TV program?
— It _____ young people because it has a lively style. [ ]
A. attaches to
B. attends to
C. appeals to
D. adjusts to