單項選擇題

在進行鋼筋混凝土受彎構(gòu)件單筋矩形截面正截面承載力計算時,若發(fā)現(xiàn)配筋結(jié)果超筋,則可采用的最有效的辦法是:

A、減少縱筋配筋面積
B、增大箍筋間距
C、增大截面高度
D、減小截面高度
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More children are becoming obese and _________schools should be encouraged to provide more sports lessons and outdoor activities.

答案: Therefore完整句子:More children are becoming obese and therefore...
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