问题
单项选择题
（）用于大型铸件、加热有困难的铸件、焊接质量要求不高的铸件。
A、热焊法
B、冷焊法
C、等离子弧堆焊
D、二氧化碳气体保护堆焊
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
（）用于大型铸件、加热有困难的铸件、焊接质量要求不高的铸件。
A、热焊法
B、冷焊法
C、等离子弧堆焊
D、二氧化碳气体保护堆焊
参考答案：B
| 完形填空。 | |||
| Most people want to be happy, but few know how to find happiness. Money and success alone do not bring 1 . Happiness depends on 2 . In other words, we make our own happiness. Here are a few 3 to help you happier. The first secret of happiness is to enjoy the simple things in life. Too often, we 4 so much time thinking about future-for example, getting into college or getting a good job-that, we fail to enjoy the present (现在). You should enjoy life's simple 5 ,such as reading a good book, listening to your favorite music, or spending time with close friends. People who have several 6 friends live happier and healthier lives. Another secret to lead a happy life is to be active and have 7 . When you are dancing or playing sports, you can forget about your problems, and 8 think about the activity. Finally, many people find happiness in helping 9 . If you want to feel happier, do 10 nice for someone. You can help a friend with his or her lessons, go shopping to buy food for your family members, or simply help out around the house by washing the dishes. | |||
|