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对于具有 144 个记录的文件，若采取分块查找法并每块长度为 8，则平均查找长度为【 】。
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阅读下面短文，回答下列五道题。 前年的今日，我避在客栈里，他们却是走向刑场了；去年的今日，我在炮声中逃在英租界，他们则早已埋在不知那里的地下了；今年的今日，我才坐在旧寓里，人们都睡觉了，连我的女人和孩子。我又沉重的感到我失掉了很好的朋友，中国失掉了很好的青年，我在悲愤中沉静下去了，不料积习又从沉静中抬起头来；写下了以上那些字。 要写下去，在中国的现在，还是没有写处的。年青时读向子期《思旧赋》，很怪他为什么只有寥寥的几行，刚开头却又煞了尾。然而，现在我懂得了。 不是年青的为年老的写纪念，而在这三十年中，却使我目睹许多青年的血，层层淤积起来，将我埋得不能呼吸，我只能用这样的笔墨，写几句文章，算是从泥土中挖一个小孔，自己延口残喘，这是怎样的世界呢。夜正长，路也正长，我不如忘却，不说的好罢。但我知道，即使不是我，将来总会有记起他们，再说他们的时候的。…… 二月七一八日。 下面对第三段第一句的理解分析不正确的一项是：
请在序号内填入相关内容： 旅游名山 岩石性质 所在省区 景观特点 (1) 红色沙砾岩 广东省 (2) 华山 花岗岩 (3) (4) 武陵源 (5) (6) 沟壑幽深，奇峰耸立，多造型景观 (7) 流纹岩 (8) 山水奇秀，山石造型多。峰、柱、崖、 洞、瀑等胜景甚多
Illiteracy may be considered more as an abstract concept than a condition. When a famous English writer used the (1) over two hundred years ago, he was actually (2) to people who could (3) read Greek or Latin. (4) ,it seems unlikely that university examiners had this sort of (5) in mind when they reported on "creeping illiteracy" in a report on their students’ final examination in 1988. (6) the years, university lecturers have been (7) of an increasing tendency towards grammatical sloppiness, poor spelling and general imprecision (8) their students’ ways of writing; and sloppy writing is all (9) often a reflection of sloppy thinking. Their (10) was that they had (11) to do teaching their own subject (12) teaching their undergraduates to write. Some lecturers believe that they have a (n) (13) to stress the importance of maintaining standards of clear thinking (14) the written word in a world dominated by (15) communications and images. They (16) on the connection between clear thinking and a form of writing that is not only clear, but also sensitive to (17) of meaning. The same lecturers argue that undergraduates appear to be the victims of a "softening process" that begins (18) the teaching of English in schools, but this point of view has, not (19) , caused a great deal of (20) . 20（）
影响味觉感受的因素有体重、年龄、性别和健康状况。( )
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