影响ICS治疗作用的因素包括哪些()。
A.糖皮质激素受体亲和力
B.局部抗炎作用
C.气道粘膜滞留率
D.平衡的脂水溶性
参考答案:A, B, C, D
()用于检修,或在电梯故障后,将电梯开到平层位置的开门装置。
A、检修运行开关
B、底坑停止开关
C、过载及短路保护装置
D、直流电动机的弱磁保护
根据语篇内容,用恰当的短语填空,使之意思完整。
Thanks for your invitation. I’m sorry I can’t visit you this week. I am (1)_________________. This
evening I’m going to my cousin’s house. It’s my cousin’s birthday. Today I have a toothache, so I have to
see the dentist tomorrow. On Friday, there will be a math test, and I (2)_________________. On Friday
evening, a new film will be on, and I'm (3)_________________ with my friends.