第14题: [单项选择]糖尿出现时,全血血糖浓度至少为 A. 8.89mmol/L(160mg/dl) B. 66.67mmol/L(1200mg/dl) C. 11.11mmol/L(200mg/dl) D. 27.78mmol/L(500mg/dl) E. 83.33mmol/L(1500mg/dl) 参考答案:A
A. musicians famous in Africa B. musicians at the center of attention C. musicians acting as the centre in a performance D. active participation in a musical performance 参考答案:C 答案解析:推理题。nucleus是个名词,是与additional performers即业余表演者相对应,那么它就应是“专业表演者”的意思。因此[C]正确。