下列疾病病例的报告时限为24小时以内的是()
A、艾滋病
B、布鲁氏菌病
C、传染性非典型肺炎
D、脊髓灰质炎
E、肺炭疽
参考答案:A, B
哪项属于克罗恩病的肠外表现() |
A.瘘管形成
B.腹泻
C.腹痛
D.腹腔内脓肿
E.杵状指
—Are the pencils in the box?
—________. [ ]
A. Yes, it isn't
B. No, they aren't
C. They aren't
D. It is