关于滑坡治理中抗滑桩的设计，下列哪一说法是正确的? （）
A. 作用在抗滑桩上的下滑力作用点位于滑面以上三分之二滑体厚度处
B. 抗滑桩竖向主筋应全部通长配筋
C. 抗滑桩一般选择矩形断面主要是为了施工方便
D. 对同一抗滑桩由悬臂式变更为在桩顶增加预应力锚索后，嵌固深度可以减小
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All my sons came here______ last night. Jack came back______ of the three.
A. later, latest
B. late, later
C. late, latest
Ted: I'm thinking of keeping a dog, and I wonder if you have any particular policy about animalsHouse owner: （）.
A. Yes, dogs will be out of the question
B. Yes, I like dogs
C. No, dogs are not good pets
D. No l our policy is not particular
区间可用来()
A. 估计95%的医学参考值范围
B. 估计样本均数的95%置信区间
C. 表示95%的总体均数在此范围内
D. 估计总体均数的95%置信区间
E. 表示样本变量值的分布情况
There is nothing about women （）careers to look after children.
A. to give up
B. give up
C. giving up
D. will give up
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