现阶段我国建设工程监理具有的特点之一是（）。
A.服务对象的多样性
B.通过经济手段引导推进的制度
C.具有完善的诚信体系
D.具有监督功能
参考答案：D
The flight was put off due to the typhoon. Otherwise, we______ the beautiful scenery in Greece now.
A．would be enjoying
B．would have enjoyed
C．will enjoy
D．must have enjoyed
急性坏死性小肠结肠炎腹部X线检查描述不正确的是（）
A.肠袢轻度至中度充气扩张
B.可见液平面
C.肠间隙变窄
D.黏膜皱襞变粗
E.部分病例可见肠管僵直
