我的问题是主办国是如何在这么多没完工或者进度落后时成功举办下比赛的，还是说这算是每届奥运前的一种过度反应？
My question is how do host countries pull off successful games with so much not complete or behind, or does this type of overreaction happen every Olympic games?
PFC反应的增加远落后于有核细胞数的增多，说明抗原反应细胞的功能减弱。
That the PFC reaction in the spleen lagged far behind the increase in number of the nucleated cells suggests a reduction in the functional reaction of the antigen-reactive cells.
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