题目

如图在四边形中，，. （1）求的长； （2）求面积的最大值 答案：解：（1）由题可知，. 在中，， 所以. （2）在中，，可得， 又由， 有，， 故面积的最大值为. 第二节：完形填空（共20小题，每小题1.5分，满分30分） My brother-in-law lifted out a package in which was delicate lingerie（女式内衣）“Jan bought it 8 years ago   36   she never wore it. She was   37   it for a special occasion.” He put it with the other clothes we were taking to the mortician（殡仪员）. “Don't save anything for a special occasion. Every day when you're   38   is a special gift.” he said. I remembered those words through the funeral（葬礼）and the days that followed when I helped with all the chores after Jan's sudden   39  . I thought about them on the plane returning to California. I'm   40   thinking about his words, and they've   41   my attitude towards life. I'm admiring the view   42   worrying about the weeds in the garden. I'm spending more time with my family and friends and   43   time in committee meetings. Whenever possible, life should be an experience to   44  , not tolerate. I'm trying to recognize these moments and   45   them. “Someday” and “one of these days” are   46   from my vocabulary. If it's worth seeing or hearing or doing, I want to see and hear and do it now. I'm not sure what my sister would have done if she had known she wouldn't be here for the tomorrow that we all __47__ for granted. I think she would have gone out for her favorite Chinese food. She might have called a few former friends to apologize for past   48  . I'm guessing — I'll   49   know. It's those little things left undone that would make me angry if I knew that my hours were __50__ . Angry because I   51   seeing good friends I was going to get in touch with — someday. Angry and __52__ that I didn't tell my husband and daughter often enough how much I truly love them. I'm trying not to put off, or save anything that would add   53   and color to our lives. Every morning when I open my eyes, I tell myself it is   54  . Every day, every minute, every breath truly is a（n）  55   from God. 36. A. and                   B. so                      C. as                   D. but 37. A. buying                 B. saving                  C. leaving               D. remaining 38. A. happy                 B. healthy                C. alive                 D. successful 39. A. separation              B. death                   C. disease                D. treatment 40. A. still                   B. also                    C. even                  D. therefore 41. A. changed                B. spoiled                  C. shaped                      D. held 42. A. beyond                B. besides                  C. without               D. over 43. A. most                  B. little                    C. more                  D. less 44. A. enjoy                  B. share                   C. control                D. choose 45. A. ignore                 B. value                  C. stress                  D. remember 46. A. disappearing            B. escaping                C. coming               D. leaving 47. A. find                   B. think                   C. take                  D. make 48. A. affairs                 B. quarrels                 C. hardships              D. memories 49. A. surely                  B. always                 C. ever                        D. never 50. A. endless                 B. abundant               C. valuable               D. limited 51. A. called off               B. gave off               C. put off                      D. took off 52. A. sorry                  B. disappointed            C. shameful              D. embarrassed 53. A. value                  B. laughter               C. imagination                  D. freedom 54. A. common                B. unforgettable                 C. special                D. similar 55. A. offer                   B. promise                     C. smile                 D. gift