婴幼儿心率表现哪项不对（）
A.心率相对快
B.处于不正常心动过速状态
C.对缺氧敏感
D.伴心律不齐
E.右室优势
参考答案：B
胃体胃炎—血清促胃液素增高，胃窦胃炎—血清促胃液素正常
— Where _____ your new shoes?
— _____ over there. [ ]
A. is; It's
B. are; It's
C. are; They're
