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问题 单项选择题

确诊直肠癌最可靠的办法是

A．直肠指诊

B．便常规检查

C．大便脱落细胞学检查

D．活体组织病理学检查

E．气钡直肠造影检查

答案

参考答案：D

单项选择题

The external auditing shall be conducted by the Customs over the following enterprises and other organizations

A．Enterprises and other organizations engaged in foreign trade only
B．Enterprises and other organizations engaged in domestic trade only
C．Enterprises engaged in the business of inward process only
D．Both A and C
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多项选择题

出现滑坡裂缝时，常采取的减小滑动力措施包括（）。

A.清除杂草

B.清除附加荷载

C.削缓上部坡度

D.填堵裂缝

E.堆存备土
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