下列施工承包合同形式中,承包商承担全部工程量和价格风险的是()。
A.变动单价合同
B.变动总价合同
C.固定总价合同
D.成本加酬金合同
参考答案:C
Some people believe that to have an effective conversation,a distance of about 20 inches(51 centimeters)between the two parties involved is required.In certain cultural groups.however,the normal conversational distance is in the range of 14 to 15 inches(36 to 38 centimeters):and some group say 9 to 10 inches(23 to 25 centimeters) is ideal.People from some cultural groups may keep a door open during a negotiation.whereas others may prefer to close the door.Some people feel they should be separated from another person by a desk.This area of nonverbal communication is important for cross-cultural communication.It is known as______.
A.proxemics
B.personal space dynamics
C.posturing
D.linguistics
患者男,35岁。近5年来反复出现上腹部疼痛,尤以饱食后明显。今日出现右上腹剧痛,5小时后来院就诊。检查:生命体征平稳,腹部平坦,全腹压痛及反跳痛,腹肌紧张呈板状腹,移动性浊音可疑。
下列哪些检查有助于诊断()
A.血常规、肝功能
B.X线胸片
C.血培养
D.腹腔B超检查
E.痰培养
F.胃镜检查