问题
判断题
按照接受记录光谱方式的不同，原子发射光谱分析可分为看谱分析法、摄谱分析法、光电直读光谱分析法三种。
答案
参考答案：对
搜题请搜索小程序“爱下问搜题”
按照接受记录光谱方式的不同，原子发射光谱分析可分为看谱分析法、摄谱分析法、光电直读光谱分析法三种。
参考答案：对
| 完形填空。 | ||||
| An elderly carpenter was ready to retire. He told his employer of his plans to 1 the house-building business to live a more 2 life with his wife and 3 his extended family. He would miss the paycheck (工 资) each week, but he wanted to retire. They could 4 . The employer was 5 to see his good worker go and asked if he could build just one more house as a personal favor. The carpenter said yes, 6 over time it was easy to see that his heart was not in his work. He used bad workmanship and 7 materials. It was an unfortunate way to 8 a dedicated (献身的)career. When the carpenter finished his work, his employer came to 9 the house. Then he handed the front-door 10 to the carpenter and said, "This is your house... my 31 to you." The carpenter was shocked! What a 12 ! If he had only known he was building his own house, he would have done it all so differently. 13 it is with us. We build our lives, a day at a time, often putting 14 than our best into the building. Then, with a shock, we 15 we have to live in the house we have built. If we could do it over, we would do it much differently. But, you cannot 16 .You are the carpenter, and every day you hammer a nail, place a board, or build a wall. Someone 17 said, "Life is a do-it-yourself project." Your 18 , and the choices you 19 today, help build the "house" you will live in tomorrow. Therefore, build 20 ! | ||||
|