问题
选择题
As a new diplomat, he often thinks of______ he can react more appropriately on such occasions.[ ]
A. what
B. which
C. that
D. how
答案
答案：D
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As a new diplomat, he often thinks of______ he can react more appropriately on such occasions.[ ]
A. what
B. which
C. that
D. how
答案：D
25（A=4909mm），采用焊接钢筋骨架，a=100mm。在荷载短期效应组合下主梁跨中弯矩标准值M=950kN·m，在荷载长期效应组合下主梁跨中弯矩标准值M=650kN·m。提示：按《公路钢筋混凝土及预应力混凝土桥涵设计规范》（JTGD62-2004）解答。
（mm），与下列何项数值最为接近（）？