CO中毒时首选【 】
A．细胞色素C
B．给氧
C．甘露醇及利尿剂
D．中枢兴奋剂
E．抗生素
参考答案：B
My arrival was timed perfectly; it was the second weekend of November, when the world largest wine auction ________.
A．held
B．was being held
C．was held
D．was to hold
《三国演义》中被评为“三绝”的人物是（）
A.刘备
B.诸葛亮
C.关羽
D.曹操
