如下陈述中正确的是( )。A.串“ABC”和串“ABC”不相等 B.串的长度必须大

题型:单项选择题

问题:

如下陈述中正确的是( )。

A.串“ABC”和串“ABC”不相等

B.串的长度必须大于零

C.串中元素只能是字母

D.空串就是空格串

考点:计算机等级考试数据库技术三级数据库技术笔试23
题型:单项选择题

文中共有10处语言错误,每句中最多有两处。每处错误仅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。

I went to see film after supper. On my way to the cinema, I met an old Englishwoman,

she had lost her way. I gave up the chance to see the film, walking towards her and

took her to her hotel. While go there, I told her great change had been taken place in the past few years and she told me something about Britain and her family. Though I missed the film, however I felt very happy, for I not only helped the old lady out from trouble but also practise my spoken English. If I hadn’t worked hard at English, I would have been able to help her

题型:单项选择题

输血适应证正确的是()。

A.凡患者血红蛋白低于80g/L和血球压积低于20%的属输血适应证

B.凡患者血红蛋白低于90g/L和血球压积低于25%的属输血适应证

C.凡患者血红蛋白低于100g/L和血球压积低于30%的属输血适应证

D.凡患者血红蛋白低于110g/L和血球压积低于35%的属输血适应证

E.凡患者血红蛋白低于120g/L和血球压积低于35%的属输血适应证

题型:单项选择题

某一行为的强化因素可来自各个方面,一般说来青少年吸烟行为的强化因素最主要的来源是()

A.伙伴

B.父母

C.亲戚

D.学校领导

E.社会舆论

题型:单项选择题

在()情况下,银行通常会要求于电话上和持卡人做确认?

A.消费金额突增

B.超过信用额度

C.购买变现性高之高价产品(如金饰)

D.信用卡网络故障

题型:单项选择题

采用接续金具后应满足哪些条件?

更多题库