哮喘急性发作的首选药是( )
A．茶碱类B．肾上腺受体激动剂C．抗胆碱药物D．糖皮质激素E．白三烯拈抗剂
参考答案：B
I can't go to the New Year's concert, ______, 100 dollars is just too much for me to spend in one
evening.[ ]
A. in other words
B. that is
C. in particular
D. I mean
排气量2.0升的轿车用悬挂减震器
