题目

常温下，将等体积的0.1 mol/L的氨水和0.1 mol/L的NH4Cl溶液混合，若忽略混合后溶液的体积变化，下列说法错误的是  A．混合后，NH4Cl对氨水的电离起抑制作用  B．混合后，氨水对NH4Cl的水解起抑制作用  C．c(NH)+c(NH3・H2O)+c(NH3)=0.1 mol/L  D．若c(OH)>c(H+)，则c(Cl)大于c(NH) 答案：DThis boy is Jim. He is thirteen. He’s            English boy. This is his school. His school      number is 832 147. He’s      Class Two. His teacher is Miss White. Miss White is a good      . She teaches English. Li Rui is Jim’s good      at school. He is a Chinese boy. He is in Class Two,      . Look! This is Jim’s     . It’s blue. There      five books and three pencils in it.     is Jim’s favourite day. He can play     with his friends.【小题1】A．aB．anC．theD．/【小题2】A．telephoneB．roomC．carD．class【小题3】A．atB．onC．inD．of【小题4】A．studentB．roomC．car D．teacher【小题5】A．friendB．studentC．girlfriendD．father【小题6】A．toB．twoC．tooD．or【小题7】A．bookB．schoolbag C．pencilD．pencil- box【小题8】A．amB．isC．areD．be【小题9】A．MondayB．ThursdayC．SundayD．Friday【小题10】A．footballB．a footballC．the footballD．footballs