题型:判断题 If the babysitter cannot come tomorrow,do you mind________alone at home,doing his homework?A.Fred’s leaving B.Fred being leftC.Fred’s having left D.Fred having been left 查看答案
题型:判断题 男性,22岁。反复发作性喘息、咳嗽4年。每年春季发作,可自行缓解。1天前再次发作,症状持续加重。查体:双肺广泛哮鸣音,心率98次/分,律齐,无杂音。为判断病情严重程度,应做下列何种检查()A.胸片B.血清IgEC.血气分析D.血常规E.肺功能 查看答案