题目内容
在函数内部定义的变量是局部变量，在函数外定义的变量是全局变量。
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C语言中，所有函数都可以被嵌套调用。
char a[ ]={'a','b','c'};char b[ ]={"abc"};数组a和数组b占用的内存空间大小不一样。
C语言的double类型数据一般占4个字节。
Section ADirections: This section is to test your ability to give proper responses. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question , you should decide on the correct answer from the 4 choices marked A, B, C and D given on the computer screen .Then you should click(点击）on you choice . If you want to change you answer, just click on your new choice.Example: You will hear:You will read: A. I’m not sure.B. you’re right.C. Yes, certainly.D. That’s interestingFrom the question we learn that the speaker is asking the listener to leave a message. Therefore, the choice C. Yes, certainly is the correct answer. You should click on choice Con the screen. Now the test will begin
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