【单选题】某单位因食用一配餐中心制作的墨鱼卷引起大批职工发生食物中毒,其症状为上腹部阵发性剧烈绞痛,继之出现腹泻,特点为洗肉水样血水便,每日5~8次,里急后重不明显,体温一般在37.5~38.5℃。此食物中毒可能由那种细菌引起()
【单选题】某日,某区医院相继接收了20多名病人,主要症状为上腹部阵发性绞痛,继而腹泻,一天6~10次,为洗肉水样血水便,里急后重不明显,部分病人有畏寒、发热,体温为38~39℃,据了解病人当天中午都在该区某饭店用过餐,潜伏期为6~10小时,区防疫站接到报告后即组织人员赶赴现场进行调查。经调查初步判定引起中毒的可疑食物为盐水虾,关于中毒与盐水虾的关系,下列叙述哪一项不正确()
【单选题】Of millions who have watched the Gangnam Style video, there are a growing number of celebrities ________ their love for the song.
【单选题】患儿2岁。发病3天,急性腹痛、位于脐周~呈阵发性。腹泻。开始为水样便,继而出现果酱样便。有腥臭昧,全身感染中毒症状重.呕吐腹胀量可能为( )
【单选题】休克时应用碱性药物,而呼吸道不畅时可导致
【单选题】What is the percentage of Americans aging six and older who play computer and video games?
【单选题】The 1992 Los Angeles riots broke out because ________.
A.
video coverage from helicopters had made people angry
B.
video coverage had provided powerful feedback
C.
the jury acquitted the policemen who had beaten Rodney King
D.
people can make their own judgements
【简答题】What is the percentage of Americans aging six and older who play computer and video s? A.15 C.8. D.39.