罗纹布与双罗纹布具有相同的特性。
题型：判断题
问题：
罗纹布与双罗纹布具有相同的特性。
题型：判断题
第二节完形填空(共20小题；每小题l 5分，满分30分)
阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
Recently，I flew to Las Vegas to attend a meeting. As we were about to arrive，the pilot announced with apology that there would be a slight 2l before setting down. High desert winds had 22 the airport to close all but one runway. He said that we would be 23 L the city for a few minutes waiting t0 24 We were also told to remain in our seats meanwhile with our seat belts fastened 25 there might be a few bumps(颠簸)．We11，that few minutes turned into about four—five minutes，including a ride that would make a roller coaster(过山车) 26 by comparison
The movement was so fierce that several passengers felt 27 and had to use airsickness bags. As you might guess，that’s not good thing to have happen in a(n) 28 space because it only 29 to increase the discomfort of the situation.
About twenty minutes into the adventure，the entire airplane became very 30 .
There was now a sense of anxiety and fear that could be 31 noticed．Every passenger simply held on for dear life …except one. A 32 was having a good time! With each bump of the33!he would let out a giggle(咯咯的笑)of delight As I observed this，I 34 that he didn’t know he was supposed to be afraid and worried about his 35 He neither thought about the past nor about the future Those are what we grown—ups have learned from 36 .He was 37 the ride because had not yet been taught to fear it. Having understood this，I took a deep breath and 38 back into my seat，pretending I was 39 on a roller coaster. I smiled for the rest of the flight. I even 40 to giggle once or twice ,much to the chagrin(随恼)of the man sitting next to me holding the airsickness bag.
21. A. mistake B. delay C. change D. wind
22. A. forced B. warned C. swept D. reminded
23. A. watching B. visiting C. circling D. crossing
24. A. arrive B. enter 
C. stop D. land
25. A. if B. though C. because D. while
26. A. light B. pale C. easy D. quick
27. A. sick B. nervous C. angry D. afraid
28. A. empty B. narrow C. secret D. open
29. A. happens B. continues C. fails D. serves
30. A. quiet B. hot 
C. dirty D. crowded
31. A. partly B. gradually C. shortly D. clearly
32. A. pilot B. baby C. guard D. man
33. A. seats B. passengers C. flight D. airplane
34. A. realized B. hoped C. agreed D. insisted
35. A. health B. safety C.joy D. future
36. A. teachers B. books C. experience D. practice
37. A. learning B. taking C. missing D. enjoying
38. A. sat B. lay C. went D. rode
39. A. nearly B. finally C. really D. suddenly
40. A. attempted B. managed C. wanted D. decided