苯丙酮症
Which statement is true?（） An IPv6 address is 64 b long and is represented as hexadecimal characters.。 An IPv6 address is 32 b long and is represented as decimal digits.。 An IPv6 address is 128 b long and is represented as decimal digits.。 An IPv6 address is 128 b long and is represented as hexadecimal characters.。
《申报》何时创办？
证券承销的类型包括（）。 全额包销。 定额代销。 余额包销。 代销。
装甲兵的特性？
急性心肌梗死特异性最高的心肌坏死标志物是（）
