题目内容

冒泡排序效率较高,因为它只需要约n2/2次比较。

A. 对
B. 错

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continue statement can be only used in loop body.

The following code fragment outputs the string str . The loop condition str[i]!='\0' can be replaced by( ). char str[80]="hello, world";for (i = 0; str[i] != '\0'; i++) putchar(str[i]);

A. str[i]
B. i < 80
C. !(str[i] = '\0')
D. i<= 80

Listen to a conversation between an accountant and her client. Choose the correct answer.1. What is the dialogue mostly about?

A. selling materials
B. increasing sales tax
C. descrinbing new taxes
D. explaining a type of tax

2. Value-added tax

A. adds value to products
B. eas replaced by sales tax
C. has not been adopted in the USA
D. is applied when final products are sold.

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