题目

11.—What strengths and ____ did you find in her? —She is hardworking but is not good at getting along with others. A.courts         B. weaknesses C. marks        D. Loads 答案：B 解析: strengths and weaknesses“长处和短处”。下列离子在强酸性溶液中能大量共存的是(  )A．Fe3+，NH4+，SCN-，Cl-B．Na+，Cl-，NO3-，SO42-C．Fe2+，Cl-，Na+，NO3-D．Fe2+，NH4+，Cl-，OH-