控制支气管哮喘气道炎症最重要的药物是 ()
A.受β2体激动剂
B.M受体拮抗剂
C.吸入糖皮质激素
D.茶碱
E.白三烯受体拮抗剂
参考答案:C
Every morning I get up at 6:00 because I have two dogs ______ at the door for me to take them out for the routine walk.
A.to wait
B.wait
C.waited
D.waiting
德国军队在基辅城下被苏联第一次击退