题目

---Did Professor Wang say anything that _____ you especially? ---It was really boring. Actually I slept through his speech. A. appealed to           B. attached to C. referred to           D. adapted to 答案：A下列各组离子在指定溶液中能大量共存的是 [     ]①常温下，c(H+)/c(OH-)＝1×10-12的溶液：K+、AlO2-、CO32-、Na+ ②加入苯酚显紫色的溶液：K+、NH4+、Cl-、I- ③中性溶液：Fe3+、Al3+、NO3-、SO42- ④使pH试纸变蓝的溶液中：NH4+、Na+、SO42-、Cl- ⑤无色溶液中：K+、AlO2-、NO3-、HCO3- A．②③　　 B．①③　　 C．①　 　D．①④⑤