题目内容

下面哪些是C的特点（）

A. 解释执行，可调试
B. 语言简洁、紧凑，使用方便、灵活；
C. 运算符极为丰富
D. 生成目标代码质量高，程序执行效率高
E. 可移植性好

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下面哪些能说明C的移植性好（）

A. 用Dev C++开发的源代码，稍加修改就可放在VisualC环境下编译通过
B. 针对16位DOS开发的程序，稍加修改地用在32位环境编译通过
C. 用C开发的应用程序，只要没用到与操作系统相关的API，就可以在任一平台上运行，而不用重新编译
D. 基于Windows开发的C程序，稍加修改地运行在Unix平台上
E. 基于Linux开发的C程序，稍加修改地运行在Windows平台上

Complete the following postcard. Fill in the blanks with the given words or expressions.(填写大写的字母序号)A.sightseeingB.weatherC.Looking forward to D. New YorkE.deliciousF.TomG.wonderful H.hotelI rainedJ.complainHi 1.___,Greetings from 2.. I’m here with Lily and Jack and we’re having a 3. time, even though the 4. isn’t so good—It has 5. every day so far! We arrived three days ago, and we’ve been 6._, shopping and visiting art galleries. We’re taking lots of yellow taxis too! We’ve also been enjoying some 7.___ food and drink.The only thing which isn’t so good is our 8._—the room is really cold, and the heating doesn’t work very well. However, it’s very cheap, so we can’t 9..10.________ seeing you when I get back.Love,Mary

与二进制数101101等值的十六进制数是()

A. 1D
B. 2C
C. 2D
D. 2E

在计算机中,20 GB的硬盘可以存放的汉字个数是()

A. 10×1000×1000 Bytes
B. 20×1024 MB
C. 10×1024×1024 KB
D. 20×1000×1000 KB