题型:选择题 After the earthquake, tsunami and radiation leaks, Japan is having a hard time, but the people there__________ make a new beginning.[ ]A. are decided toB. are looking forward toC. are devoted toD. are determined to 查看答案
题型:选择题 下列与实验相关的叙述正确的是( )A.稀释浓硫酸时,应将蒸馏水沿玻璃棒缓慢注入浓硫酸中B.配制溶液时,若加水超过容量瓶刻度,应用胶头滴管将多余溶液吸出C.酸碱滴定时,若加入待测液前用待测液润洗锥形瓶,将导致测定结果偏高D.检验某溶液是否含有SO42-时,应取少量该溶液,依次加入BaCL2溶液和稀盐酸 查看答案