T568B型按顺序：（）；（）、绿白、蓝、蓝白、绿、棕白、棕。
参考答案：橙白、橙
---What’s wrong with you, Jack? You look tired.
---I ________ to prepare for the final exam last night.
A．picked up
B．woke up
C．stayed up
D．put up
输血时，应输______为原则，若在危急的情况下，______型血可以输给各类血型的病人；______型血的病人可以接受任何血型的血液．
