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第二节完形填空(共20小题；每小题1分，满分20分)
阅读下面短文．掌握其大意．然后从36-55各空所给的A、B、C、D四个选项中，选出最佳选项。并在答题卡上将该项涂黑。
We convince ourselves that life will be better once we are married, have a baby, then another. Then we get ___36___ because our children are not old enough, and that ___37___ will be well when they are older. Then we are frustrated ___38___ they reach adolescence and we must deal with them. Surely we'll be ___39___ when they grow out of the teen years.
We tell ourselves our ___40___ will be better when our spouse(配偶)gets his/her act together, when we have a nicer car, when we can take a ___41___, when we finally retire. The ___42___ is that there is no better time to be happy than ___43___. If not, then when? Your life will always be full of ___44__. It is better to admit as much and to decide to be happy ___45___it all.
For the longest time, it seemed that life was about to start--real life.
But there was always some obstacle(挫折)along the way, an ordeal(苦难) to ___46___, some work to be finished, some time to be given, a bill to be ___47___. Then life would ___48___. It finally dawned on me that that those ___49___ were part of life. Little by little, that point of ___50___ also helped me see that there isn't any road to happiness.
Happiness is the road. So, ___51___ every moment. And bear in mind that ___52___ waits for no one. So stop ___53___ school to end, for a return to school, to lose ten pounds, to ___54__ ten pounds, for work to begin, to get married,… before deciding to be happy.
Happiness is a voyage, not a destination. There is no ___55___ time to be happy than… NOW! Live and enjoy the moment.'
36. A. pleased B. happy C. frustrated D. frightened
37. A. we B. they C. all D. nothing
38. A. because B. but C. so D. and
39. A. luckier B. happier C. older D. healthier
40. A. life B. study C. children D. condition
41. A. rest B. bath C. breath D. vacation
42. A. idea B. opinion C. truth D. thought
43. A. before B. ever C. just then D. right now
44. A. challenges B. troubles C. awards D. chances
45. A. instead of B. in addition to C. in spite of D. up to
46. A. meet with B. go ahead C. turn to D. get through
47. A. paid B. got C. asked D. printed
48. A. end B. start C. reward D. appear
49. A. achievements B. obstacles C. duties D. opinions
50. A. view B. life C. position D. condition
51. A. work B. study C. enjoy D. wait
52. A. happiness B. time C. age D. road
53. A. asking for B. supposing C. waiting for D. hoping for
54. A. gain B. reduce C. weigh D. enjoy
55. A. worse B. better C. more D. less
如图所示，一轻绳长为L，下端拴着质量为m的小球（可视为质点），当球在水平面内做匀速圆周运动时，绳子与竖直方向间的夹角为θ，已知重力加速度为g．求：
，-
） D.（-