As a new diplomat, he often thinks of ______ he can react more appropriately on such occasions.
A. what B. which C. that D. how

利用回归方程进行预测的步骤为（ ）。A．将给定的x0的值代入所求得的回归方程，得到预测值 B．求σ的估计 C．用给定的σ，查t分布表得t1-α 2(n-1)的值 D．按 计算 的值 E．写出预测区间 点击查看答案

–Wow! You’ve got so many clothes.--But _____ of them are in fashion now.A. all B. both C. neither D. none

A.
--But
B.
A.

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