病态窦房结综合征
A．发热伴结膜充血B．发热伴关节肿痛C．发热伴肝脾大D．发热伴咯血E．发热伴胸痛上述症状常见于下列哪种疾病
参考答案：D
Eddie is eight years old, but we have seven candles only, we need __________ candle.[ ]
A. only one
B. one more
C. some more
D. one much
光纤在接头盒内的最终余留长度应不少于（）厘米。
A.20
B.30
C.50
D.60
