编写一个函数实现在数组a中查找元素x,找到返回下标,找不到返回-1。主函数已给出...

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编写一个函数实现在数组a中查找元素x,找到返回下标,找不到返回-1。主函数已给出,请写出相应的函数。 #include #define N 5 int main(void) { int i, x, index; int a[N]; int search (int a[ ],int x); printf("Enter %d integers: ", N); for(i = 0; i

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【单选题】Complete the sentences with the correct answers . Do you know the girl _____?

whom he often talk to

to who he often talks

to that he often talks

he often talks to

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【简答题】A．It's often cold and snowy. B．It's often wet and warm. C．It's often cool and dry. D．Not mentioned in the conversation.

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【单选题】多元函数的极值有()和条件极值。

未知函数

假函数

无条件极值

极值

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【单选题】Turn on the television or open a magazine and you ________ advertisements showing happy families. A. will often see B. often see C. are often seeing D. have often seen

will often see

often see

are often seeing

have often seen

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【简答题】4函数的极值与最值练习题.docx

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【单选题】He _____ late for school. [ ]

is often

often is

does often

often does

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【简答题】奇函数的图形关于对称,偶函数的图形关于对称。

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【判断题】.PLD作为一种通用型可编程逻辑器件,而它的逻辑功能又是由用户通过对器件编程来自行设定的。

正确

错误

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【简答题】函数曲线在定义域内( )． (A)有极值有拐点 (B)有极值无拐点 (C)无极值有拐点 (D)无极值无拐点

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【简答题】y=xlnx的极值与极值点．

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