以下哪项不是流挂产生的原因（）A、涂料粘度偏低 B、一次涂得过厚，喷涂操作不当，喷枪用 发布时间：2018-02-15 12:52 │ 来源：www.tikuol.com 题型：单项选择题 问题： 以下哪项不是流挂产生的原因（）A、涂料粘度偏低B、一次涂得过厚，喷涂操作不当，喷枪用力过大C、被涂物表面不干净D、所用溶剂挥发过慢
题型：单项选择题 完形填空。 Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced withapology that there would be a slight 1 before setting down. High desert winds had 2 the airport to close all but one runway. He said that we would be 3 the city for a few minutes waiting to 4 . We were alsotold to remain in our seats meanwhile with our seat belts fastened 5 there might be a few bumps (颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster (过山车) 6 by comparison. The movement was so fierce that several passengers felt 7 and had to use airsickness bags. As you might guess, that's not good thing to have happen in a(n) 8 space because it only 9 to increase the discomfort of the situation. About twenty minutes into the adventure,the entire airplane became very 10 . There was now a sense of anxiety and fear that could be 11 noticed. Every passenger simply held on for dear life…except one. A 12 was having a good time! With each bump of the 13 , he would let out a giggle (咯咯的笑) of delight. As I observed this, I 14 that he didn't know he was supposed to be afraid and worried about his 15 He neitherthought about the past nor about the future. Those are what we grown-ups have learned from 16 . He was 17 the ride because had not yet been taught to fear it. Having understood this, I took a deep breath and 18 back into my seat, pretending I was 19 on a roller coaster. I smiled for the rest of the flight. I even 20 to giggle once or twice, much to the chagrin (懊恼) of the man sitting next to me holding the airsickness bag. ( )1. A. mistake ( )2. A. forced ( )3. A. watching ( )4. A. arrive ( )5. A. if ( )6. A. light ( )7. A. sick ( )8. A. empty ( )9. A. happens ( )10. A. quiet ( )11. A. partly ( )12. A. pilot ( )13. A. seats ( )14. A. realized ( )15. A. health ( )16. A. teachers ( )17. A. learning ( )18. A. sat ( )19. A. nearly ( )20. A. attempted B. delay B. warned B. visiting B. enter B. though B. pale B. nervous B. narrow B. continues B. hot B. gradually B. baby B. passengers B. hoped B. safety B. books B. taking B. lay B. finally B. managed C. change C. swept C. circling C. stop C. because C. easy C. angry C. secret C. fails C. dirty C. shortly C. guard C. flight C. agreed C. joy C. experience C. missing C. went C. really C. wanted D. wind D. reminded D. crossing D. land D. while D. quick D. afraid D. open D. serves D. crowded D. clearly D. man D. airplane D. insisted D. future D. practice D. enjoying D. rode D. suddenly D. decided 查看答案