麻疹合并肺炎的患儿应隔离至出疹后:
A.3天
B.5天
C.7天
D.10天
E.14天
参考答案:D
下列生物中,属于恒温动物的是 [ ]
A.扬子鳄
B.鲨鱼
C.鲤鱼
D.熊猫
—Are you free this evening?
—_______? I'd like to have dinner with you.
[ ]
A. What's up
B. Go ahead
C. Good idea
D. I feel terrible