【单选题】业主为防止投标者随意撤标或拒签正式合同而设置的保证金为( )。
【单选题】患者,男性,56岁,有慢性肝炎病史20年,3小时前吃梨后,突然呕出暗红色液约400ml,查体BP55/30mmHg,P140次/分,神志淡漠,贫血貌,皮肤巩膜无黄染,脾肋下4cm,质软,无压痛。移动性浊音阳性。诊断为食道胃底静脉曲张破裂出血,失血性休克。
首先应该做何处理( )
【单选题】男,50岁,有慢性肝炎病史20年,4小时前吃苹果后,突然呕出暗红色液约400ml.查体BP6.7/4.0k.Pa(50/30mmHg),P140次/min,神志淡漠,贫血貌,皮肤巩膜无黄染,脾肋下5cm,质软,无压痛.移动性浊音阳性.诊断为食道胃底底静脉曲张破裂出血、失血性休克,首先应做何处理
【简答题】A.Students in the first half of their course. B.Students who will graduate soon. C.Students in the second half of their courses. D.Students who have just graduated from universities.
【单选题】The computer company announced that the new software______in the first half of next year.
D.
was going to be released
【单选题】______was the most important English poet in the first half of the 18thcentury.
【单选题】业主为防止投标者随意撤标或拒签正式合同而设置的保证金为( )。
【单选题】着色性干皮病的分子基础是
A.
缺少特异核酸内切酶,紫外线照射后,损伤 DNA 增加
B.
由于 XP 类基因有缺陷,在接受紫外线后损伤修复过程缺陷引起