问题
多项选择题
热力管网环状布置的优点为( )。
A．运行方便
B．造价低
C．具有供热的后备性能
D．比较简单
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
热力管网环状布置的优点为( )。
A．运行方便
B．造价低
C．具有供热的后备性能
D．比较简单
参考答案：C
There are many stories about people who did not let age stop them in the pursuit of their goals. I’m sure you have heard of recent 70-year-old college graduates, or teenagers who are 1 of many useful things or owners of companies. Actually, it can be done; it just 2 your attitude. Michael had wanted to run his own business from an early age, but he was 3 a big risk taker. After many years of working for others, he put a business plan together and was about to make the 4 , but his friends told him that at 45 he was too 5 to start his own construction business. They thought it was a young man’s business while Michael needed a steady income to support his family. Michael was discouraged. 6 many of his friends worked in the very field that he was considering starting his business in, he 7 that they knew what was best, so he decided to give up his 8 . But his wife told him that he was foolish to do so. They discussed it and Michael 9 that he’d been using his age as a(n) 10 instead of as an advantage. Have you put off a goal 11 age or another limiting factor? Does the limiting 12really have as much influence as you think? Age is just a number and each challenge is an opportunity. Your attitude 13 . You’re not too old to try something 14 and never too old to give up on your dreams. They may 15 a bit of adjustment, but if you want something enough, believe in yourself and your desires will have no bounds.
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