【单选题】国内一日游游客指我国大陆居民离开常住地10km以上, 出游时间_____,并未在境内其他地方旅游住宿设施内过夜的国内游客 。
【简答题】哮喘患者吸入激素后应立即 ,以防止口咽部真菌感染 。
【单选题】Peter was so tired that he went to bed early , ___.
A.
leaving his homework unfinished
B.
leaving his homework being unfinished
C.
leaving his howework unfinishing
D.
to leave his homework unfinished
【单选题】干扰病毒核酸复制的药物在化学结构主要包括核苷类和非核苷类 其中核苷类药物主要有
【单选题】He was the last person ________ the boat.
【单选题】-When is he leaving for Beijing? -He's leaving _____ the 11th. [ ]