常温下,下列各组离子在指定溶液中一定能大量共存的是
A:c(Fe3+)=0.1 mol·L-1的溶液中:H+、Al3+、Cl-、SCN-
B:pH=12的澄清溶液中:K+、Na+、CO32-、SO42-
C:加入铝粉能产生氢气的溶液中:NH4+、Fe2+、NO3-、SO42-
D:通入足量CO2后的溶液中:Na+、C6H5O-、CH3COO-、HCO3-
假如你是法官,你将如何判决?并请说明判决理由。
根据短文内容,判断正确还是错误。
Lynn has many books and toys. She has English books, Chinese books, word books and comic books. The English books and word books are thick. The Chinese books and comic books ard thin. She likes reading English books and word books. She has a boy bear, a toy dog and a toy cat. Her toy bear is hard. Her toy dog and toy cat are soft. She likes them very much.