目前认为,可以肯定改善COPD患者长期预后的治疗措施是
A.长期吸入抗胆碱能药B.长期吸入糖皮质激素C.长期小剂量口服氨茶碱D.戒烟和长期氧疗E.肺减容手术
参考答案:D
—When are you going to get your ears ________?
—I am going to have Ms Li ________ my ears this weekend.
A.pierced; pierce
B.pierced; pierced
C.piercing; to pierce
D.to pierce; pierced
建设工程单位在编制工程概算时,应当确定建设工程()a安全作业环境、b安全施工措施、c消防措施所需费用。
A.ac
B.ab
C.bc
D.abc