第5题: [单项选择]维生素D缺乏性手足搐搦症窒息时的处理是 A. 给氧 B. 将舌尖拉出口外 C. 给予镇静剂、钙剂 D. 将患儿上下磨牙之间置一用纱布包裹的压舌板 E. 注射维生素D 参考答案:B
第6题: [单项选择]数字激光唱盘的标准采样频率为44.1kHz,若量化级位数为20位,立体声,一分钟CD-DA音乐所需存储量为 A. 12300000B B. 13300000B C. 13230000B D. 22130000B 参考答案:C 答案解析:[解析] 可用以下公式估算声音数字化后每秒所需的存储量(未经压缩的): 存储量=采样频率×量化位数÷8 若使用双声道,存储量再增加一倍,对于本题则有(44.1×1 000×20×2
第36题: [单项选择]Professor Bhatt and Rob Meakin have developed a method to______. A. teach electronic engineering management B. train employees to be acquainted with e- commerce C. train employees to be engineers and managers D. teach employees about developing a partnership 参考答案:B 答案解析:[试题分析] 细节判断题。
[详细解答] 根据文章主旨以及第一段第一句后半部分:... have developed a partnership to train engineers and man