疱疹性咽峡炎与疱疹性口腔炎最主要的鉴别是
A.拒食、流涎、哭闹
B.口腔黏膜出现小水泡、破溃
C.疱疹不累及颊黏膜和齿龈
D.局部疼痛
E.发热
参考答案:C
— You shall get an iPhone as long as you come out first in the contest.
一 Is that a _____? Don't let me down, I hope.[ ]
A. trick
B. decision
C. promise
D. goal
当发现有人触电,其中正确的做法是:[ ]
A.立即去找电工
B.立即切断也源
C.立即直接用手把人拉开
D.立即直接用手把电线拉开