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【判断题】
对均值、方差等未知参数进行估计叫做参数估计。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】— Tom is waiting for you outside the building. — Oh!I thought he ________. [ ]
A.
went
B.
are going
C.
had gone
D.
have gone
【简答题】翻译:他的父母以他为骄傲。
【简答题】朗读原文和译文: 原文: 吾见世间,无教而有爱,每1不能然2;饮食运为,恣 zì 其所欲,宜诫翻奖,应 反笑,至有识知,谓法当尔。骄慢已习,方复制之,捶挞 chuí tà 至死而无威,忿怒日隆而增怨,逮于成长,终为败德。孔子云:“少成若天性,习惯如自然”是也。俗谚曰:“教妇初来,教儿婴孩。”诚哉斯语! 重点字词:每——常常 然——认为......是对的 恣—— 任凭 翻——副词,反...
【单选题】—Just a minute, Tom. Is this the report you need to hand in today? —Oh, yes, Mum. I thought I had put in my school bag. Thank you.
A.
everything
B.
something
C.
nothing
D.
anything
【简答题】I thought Tom is the ______ (tall) guy in the office. ________(转折副词) , George is even _____(tall) than Tom.
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