工程监理目前主要是在（）阶段进行。
A.投资决策
B.前期准备
C.工程施工
D.竣工验收
参考答案：C
____________ late, but also he forgot his books. [ ]
A. Not only did he turn up
B. Not only he turned up
C. Not only did he turn out
D. Not only he turned out
男性，有前列腺增生病史，膀胱出现如图的超声表现，最可能的诊断为（）
A.膀胱血块
B.膀胱肿瘤
C.膀胱憩室
D.膀胱小梁小房形成
E.慢性膀胱炎
