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[Issue Essay]

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题目:

Analytical!

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提问:

( Based on the growth rates of large modern reptiles such as ) the Galapagos tortoise and examination of fossils of juvenile dinosaurs, scientists estimate that the larger dinosaurs probably lived to be between 100 and 200 years old. A. Based on the growth rates of large modern reptiles such as B. On the basis of growth rates of large modern reptiles such as C. Based on the growth rates of large modern reptiles like D. On the basis of growth rates of large modern reptiles, like those of E. Based on the growth rates as those of large modern reptiles like 答案是B,错选了A。科学家基于爬行动物的生长率,估计了恐龙的存活时间。科学家做based on的逻辑主语有错吗?麻烦老师讲解。 (Based on account of various ancient writers) , scholars have painted a sketchy picture of the activities of an all-female cult that, perhaps as early as the sixth century B.C, worshipped a godness known in Latin as Bona Dea "the good goddess". A. Based on account of various ancient writers B. Basing it on various ancient writer's accounts C. With accounts of various ancient writers used for a basis D. By the accounts of various ancient writers they used E. Using accounts of various ancient writers 答案是E,还是错选了A。做题时在AE纠结了好久,因为不确定学者作为“基于不同作家的解释”的主语是不是错的,而且感觉基于要比使用的表达更好,尽管可以确定using的主语是学者,但还是把E排除了,麻烦老师讲解。 因为不知道这两道题是犯了什么错误,所以去有道查了based on 的例句,发现人是可以做主语的:Based on the finding, one might predict that the bank should increase its display and budget. 以及 Based on that representation, the district judge denied a motion to dismiss the new comlaint. 麻烦老师讲解这几个题的区别。

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解答: sysadmin

提问:

调查1200人对A B C 的喜好,喜欢A的40%,喜欢B的58%,喜欢C的40%,同时喜欢AB的30%,求喜欢C但不喜欢A B的人

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解答: sysadmin老师

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问题:在“数的整除性质小节中”,第一段写到,如果a能被b整除,记作aΙb. 但如果照这么理解的话,为什么在性质3: 如果b、c都能整除a且b和c互质,那么b与c的积能整除a。以上说法化成公式的表示为:bΙa 。但如果根据上面的被整除表达,这里不应该写为aΙb嘛?

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解答: sysadmin老师

提问:

G(x)表示x的取整且是小于x的,L(x)表示x取整且是大于x的,问L(x)-G(x)的所有可能值的的集合? (-1,0) (1,0)等

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解答: sysadmin老师

提问:

题目:1993年的元旦是星期五,1994年的元旦是星期几。 问题:在文字解释中提到,问题的实质是求用7去除某一天的天数后所得的余数。然后引出,因为15与365除以7后,余数都是1,所以15与365对于模7同余。但15这个数字是怎么推到出来的呢?

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解答: sysadmin老师

提问:

问题:由于以前完全没有学习过“同余”的概念,因此书中的解释完全不明白。还烦请MAY老师帮忙讲解一下。

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解答: sysadmin老师

提问:

题目:求143∧89(143的89次方)除以7的余数 问题:(1)如何利用同余的概念推出最后的结果的? (2) 如果可以不用同余概念,还有什么其他方法可以处理此类题型嘛?

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解答: sysadmin老师

提问:

题目:A Printer numbered consecutively the pages of a book, beginning with 1 on the first page. In numbering the pages, he printed a total of 189 digits. How many pages are there in the book? 问题:看了中文翻译并听了管老师的讲解,我都没弄明白这个题目的解题思路。的别是对“a total of 189 digits”的处理。

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解答: sysadmin老师

提问:

DS:已知半径为7,求ABR 的周长? 条件1:∠x=120 度 条件2:△ABR 的面积为(49/9) π 图片附件

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解答: sysadmin老师

提问:

题目:If n is a prime number greater than 3, what is the remainder when n的平方is divided by 12? 问题:当管老师解题时,他出了3个方程式,分别是: 1) n=3A+1, n的平方=9A(square)+6A+1 2) n=3A+2, n的平方=9A(square)+12A+4 3) n=2A+1, n的平方=4A(square)+4A+1 我不明白的点是:这3个方程式是怎么推到或者是一看到题目就这么设出来的?

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解答: sysadmin老师

提问:

有图。

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