吸入型糖皮质激素不应作为慢阻肺病人哮喘急性发作的首选药的机制是（）
A.无止咳作用
B.无排痰作用
C.停药后容易复发
D.无抗炎作用
E.仅能较低程度地起到应急性支气管扩张作用
参考答案：E
解析：本题考查慢阻肺病人哮喘急性发作的首选药。吸入型糖皮质激素仅为控制呼吸道炎症的预防性用药，且起效缓慢，须连续和规律地应用2d以上方能充分发挥作用；在慢阻肺病患者哮喘发作不能立即奏效。
| 用所给词的正确形式完成短文。 | |
It opens at 5:00 a.m. all the year around, but the closing time 1 , depending on the season. Regent's Park has a lake, several public gardens, some sports grounds and three 2 playgrounds. Queen Mary's Garden inside it is famous for 3 of beautiful roses. In the north of Regent's Park is the London Zoo. It's 4 than any other zoo in the world. People can play many sports in Regent's Park, including tennis and 5 . People can go boating on the main lake and enjoy a picnic in the park, too. There will be sports events of the London Olympic Games in Regent's Park in 2012. 1.________ 2._________ 3._________ 4._________ 5._________ |
