重度痔最简单而可靠的诊断方法是()
A.直肠指检
B.病人蹲下作大便动作即可显露
C.肛门镜检查
D.直肠活体组织检查
E.X线钡剂灌肠检查
参考答案:B
-----You ______ it up during the meeting
------I_______ know it was so sensitive an issue.
A.might not have brought ;don’t
B.needn’t have brought;don’t
C.shouldn’t have taken,didn’t
D.shouldn’t have brought ,didn’t
通风与空调系统联合试运转及测试调整由()单位负责组织实施。
A.建设
B.施工
C.设计
D.监理