问题
单项选择题
（）是为了发现错误而执行程序的过程。
A、程序调试
B、程序编码
C、程序设计
D、程序测试
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
（）是为了发现错误而执行程序的过程。
A、程序调试
B、程序编码
C、程序设计
D、程序测试
参考答案：D
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| I can't remember when I started collecting litter. But it was when I got tired of (1)_____ litter nearby and realized that (2)_____ was going to pick it up. I live near a (3)_____ in Enshi, Hubei Province. I can walk there in three (4)_____! I (5)_____ love going there to play with my dog. But one day there was so much litter there that I became very unhappy. I decided I had to clean up the forest. I wanted to (6)_____ happy going there again. I made my (7)_____ trip to clean the forest that afternoon. I took a big black rubbish bag with me. Ten minutes (8)_____ starting to pick up litter, my bag was full! It had cans, bottles, broken glass and newspapers in it. From then on, I went to the forest four times a year to pick up the litter. I often (9)_____ there for three hours. It makes me feel (10)_____ to do something for the environment. After each trip, I (11)_____ all the litter that I've found. If (12)_____ of it is recyclable (可回收的), I keep it. I can't (13)_____ why people drop litter. But I will keep picking it (14)_____ they stop dropping it. I know I am only doing a small bit to help (15)_____, but I still think it is important. | ||||
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