建设工程监理工作文件中的监理大纲是（）时编制的。
A．监理单位在投标
B．建设单位在招标
C．监理单位在签订合同
D．监理单位在实施监理
参考答案：A
Mr .Smith ______ the first bus, otherwise he should have
arrived here by now.
A．should have missed
B．must have caught
C．must have missed
D．might miss
男性，45岁。主诉：左下颌后牙松动半年。（病例题）
