问题
单项选择题
不锈复合钢板焊接时，焊接工艺不当易产生（）。
A．变形
B．气孔
C．裂纹
D．腐蚀
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
不锈复合钢板焊接时，焊接工艺不当易产生（）。
A．变形
B．气孔
C．裂纹
D．腐蚀
参考答案：D
完型填空（共20小题；每小题1.5分，满分30分） 阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。 LAST weekend, I helped my friend Alex get money for poor children at Crossroads Mall He 36 needed volunteers, especially of the female. I decided that this was a pretty good 37 , so the next day I got ready to go. I arrived at Crossroads about five minutes 38 , and helped Alex and 39 of the volunteers. There were only three 40 at first, and we figured we might as well get started 41 just waiting for more to arrive. I held the 42 , and suddenly felt extremely shy. I did not 43 asking people for donations. In fact, I’m usually one of those people who try to 44 those boring stands and ask you for a little contribution. For heaven’s sake, I can contribute to a few, 45 I cannot alone 46 every single cause in the world! I really didn’t like the idea of asking anyone for donations to our cause. 47 , I watched my friends speak to the strangers, and noticed that they were extra polite to everyone—no matter whether they 48 . I realized that 49 I wasn’t pushy（强求的）, it would be okay, and my conscience could be 50 . I pasted on a large smile, and started asking people passing by. My mouth tripped over words, and I continually said “um” while I thought of the correct terms. 51 I talked to more and more people. Not only improved, but also started noticing small 52 . Instead of saying “donate”, which made most people walk away 53 .I started suing the word “contribute”. I added the phrase “every little bit counts”, and people started to donate small amounts in larger quantities. As the day went on, I learned how to pull on the hearts of the 54 , and I became a successful fundraiser. At the end of the day, we all gathered at Alex’s house and 55 how much money we raised. I was so surprised; We raised over $300! We celebrated, and went home tired, but satisfied that we helped a great cause.
|
s