用样本均值估计总体均值的构造点估计的方法是
A.最小二乘法
B.贝叶斯估计法
C.最大似然估计法
D.矩估计法
正确答案是D
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Complete the following sentence with a (compound) word derived from the one(s) given in bracket. Write your word on the ANSWER SHEET.
Tap water is ( ) everywhere in this small town. (drink)
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