利用()可以检查被测对象的功能和性能的实现是否有不符合规格说明要求的地方。A、局部等

题型:单项选择题

问题:

利用()可以检查被测对象的功能和性能的实现是否有不符合规格说明要求的地方。

A、局部等价类

B、全局等价类

C、有效等价类

D、无效等价类

考点:计算机科学技术计算机程序设计综合练习计算机程序设计综合练习题库
题型:单项选择题

第二节 语法填空(共10题;每小题1.5分,满分15分)

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空,并将答案填写在答题纸标号为31-40的相应位置上。

As a blind boy, I now had the key to all languages, __31__ I was eager to use it. Children __32__ can hear learn languages without any particular effort. __33__ hear other people speak, and enjoy trying to make the same sounds. The __34__ child must learn languages in a slow and often painful way. __35__ even though the learning may be slow and painful, the result is wonderful. We advance gradually from merely __36__ (name) objects to understanding the thought in a line of Shakespeare.

At first, when my teacher told me about a new thing, I asked very __37__ questions. My ideas were not clear, and I didn’t know many. But as my knowledge of things __38__ (grow) and I learned more and more words, I could ask more questions, and I would return again and again __39__ the same subject, eager for more information. Sometimes a new word make me remember an experience I had had __40__ (early) and I finally come to understand that the most effective way to learn a language well is to use it as much as possible.

题型:单项选择题

三个木块质量相同,与水平桌面间的动摩擦因数也相同,在水平推力F作用下匀加速运动,加速度为a,现去掉一个木块,其他不变,则加速度的大小(  )

A.可能等于1.5a

B.可能小于a

C.可能等于2a

D.可能等于3a

题型:单项选择题

按罐道材质结构可分为:()罐道、()罐道、组合罐道和钢丝绳罐道四种。

题型:单项选择题

电能量计量系统与厂站终端通信可采用数据网络、电话拨号、专线通道等通信方式。

题型:单项选择题

活血兼能行气的药有()

A.郁金

B.延胡索

C.乳香

D.姜黄

E.莪术

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