世界范围内第一部全面确立电子商务运行的法律文件是()
A.联合国《电子签名示范法》
B.美国《数字签名法》
C.美国《统一计算机信息交易法》
D.马来西亚《电子签名法》
参考答案:B
____ were given to those foreigners who helped the country ___ independence from Britain.
A.Rewards; get
B.Awards; be
C.Prizes; take
D.Awards; gain
绞窄性肠梗阻的表现为:()
A.腹胀明显,疼痛较轻,肠鸣音消失
B.腹胀明显,呕吐次数少
C.呕吐剧烈,腹胀不对称,脉率加快
D.呕吐频繁,腹胀不明显
E.呕吐剧烈,腹胀不明显,伴腹泻