你认为哪项检查对诊断帮助最大
A. 便常规及潜血
B. 钡灌肠
C. 结肠镜
D. 直肠镜
E. 便培养
患者腹痛加重，为缓解腹痛值班医生使用654-210mg肌肉注射来对症处理。而后患者腹痛缓解，腹泻次数减至6～10次日，便血量没有减少。随后连续使用654-220～60mg/d。2天后，患者腹胀加重，诉心悸，查体：血压90/60mmHg；体温39.1℃，呼吸28次/分，腹部明显膨隆，全腹压痛，反跳痛，肠鸣音消失，应立即进行何种检查
A. 血培养
B. 腹平片
C. 结肠镜
D. 心电图
E. 胸片
What was the main aim of the Glass-Steagall Act？______.
A. To ensure full and fair disclosure of public issues of securities
B. To maintain orderly trading on the New York Stock Exchange
C. To prevent deposit-taking institutions from putting investors' capital at risk in speculative securities ventures
D. To control the growth of off-balance-sheet instruments
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