数据的存储结构是指______。A.存储在外存中的数据 B.数据所占的存储空间量

题型:单项选择题

问题:

数据的存储结构是指______。

A.存储在外存中的数据

B.数据所占的存储空间量

C.数据在计算机中的顺序存储方式

D.数据的逻辑结构在计算机中的表示

考点:计算机等级考试ACCESS全国计算机等级考试二级ACCESS真题2005年4月
题型:单项选择题

短文改:

假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共

有10处语言错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下划一横线,并在该词下面写出修改后的词。

注意:

      1. 每处错误及其修改均仅限一词;

      2. 只允许修改10处,多者(从第11处起)不计分。

       My husband, Mike and I were at a restaurant with his boss. When Mike began a story I was

sure he had told it before, I gave him a kick under the table. There was no response, so I gave him

other one. Still the story went on. All of sudden he stopped, smiled and saying, “Oh, but I’ve

told you this one before, haven’t I?” We all laughed and changed the topic. Later, above the dance

floor, I asked my husband why it has taken him so long to get my messages. “What do you mean?”

he replied. “I stopped the story as soon as you kicked me.” “However I kicked you twice, and it

still took you a while to stop!” Suddenly we realized what had been happened. When we returned to

my table, the boss smiled and said to me, “After the second one, I guessed it was not for me, so I

passed it along and kicked Mike.”

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题型:单项选择题

乳腺癌Tc-MIBI亲肿瘤显像时,可通过半定量指标——肿瘤的滞留指数(RI),评估病灶的良恶性,RI的公式是()。

A.延迟相比值(T/NT)/早期相比值(T/NT)

B.早期相比值(T/NT)/延迟相比值(T/NT)

C.[延迟相比值(T/NT)-早期相比值(T/NT)/早期相比值(T/NT)

D.[延迟相比值(T/NT)-早期相比值(T/NT)/延迟相比值(T/NT)

E.[早期相比值(T/NT)-延迟相比值(T/NT)/早期相比值(T/NT)

题型:单项选择题

最敏感反应体内储存铁的实验室指标是()

A.血清铁

B.血清铁蛋白

C.骨髓细胞外铁

D.骨髓中铁粒幼细胞数量

E.红细胞内游离原卟啉

题型:单项选择题

关于农药混用以下说法不正确的是()。

A、酸碱性农药可以混用

B、波尔多液与石流合剂可以混用

C、农药合理混用能加强药效

D、杀菌剂农药能与微生物农药混用

题型:单项选择题

丝网的丝一般有()等结构形式。

A、模压成型

B、单股

C、双股

D、多股

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