题目内容

4.以下程序段（）。int x=-1;do{x=x*x;} while (!x);

A. 是死循环。
B. 循环执行二次。
C. 循环执行一次。
D. 有语法错误。

查看答案

搜索结果不匹配？点我反馈

更多问题

5.以下程序的输出结果是（）。#include int main(void){int num=0;while(num<=2){num++;printf("%d",num);}return 0;}

A. 1
B. 1 2
C. 1 2 3
D. 1 2 3 4

Read the statements. Write T (true), F (false) or DS (doesn’t say).1. Sally says she spends over three hours a day driving.2. Ruth thinks that the streets will be unsafe if driverless cars become a reality.3. Sally believes that driverless cars will benefit the economy.4. Ruth has great faith in technology.5. Sally predicts that people are more likely to share driverless cars.6. Ruth believes that driverless cars will be too expensive for most people to afford.

糖酵解的关键酶是:

A. 3-磷酸甘油醛脱氢酶
B. 丙酮酸脱氢酶
C. 6-磷酸果糖激酶-1
D. 磷酸甘油酸激酶
E. 乳酸脱氢酶

糖在体内分解途径有 ()()(),正常生理情况下主要靠()供能,缺氧时()加强。