题目

求s=3+6+9+…..+300值，解决该问题，可以采用如下两种不同的方法： 请补充完成上述横线处程序：、 答案：【1】3*i【2】i 第四节  完形填空（共20小题；每小题1．5分，满分30分） 阅读下面短文，从短文后各题的A、B、C、D四个选项中，选出适合填入对应空白处的最佳选项。并在答题卡上将该选项涂黑。 September 4 was my first day at Phillips Academy, my new school. It was also my 18th birthday. I received a warm   26     from my host family--- the Steins. Gena was my host mum, and her daughter Lily would also be a new   27   at Phillips. They took me to the school and       28   me around the campus. On our way to my dorm (学生宿舍), we saw a truck delivering a student’s  29   to her room. Many students at the school were very rich, and they would fill their dorms with decorations（装饰物）. But I was   30   not to because I thought it was a   31   of time and money. I had a single room, which was about the   32   of a Chinese college dorm --- the ones which usually hold six people.   33   she helped carry my bags, Lily asked me, “What’s your favorite  34  ，Teresa?” I thought for a moment before answering, “Orange.” I didn’t know why she had asked the question. We   35  an introduction meeting after dinner.  36   of the students were native English speakers, so I felt a little   37  .  I returned to my room after the   38  , tired and wanted to go to bed after a (n)   39   day. When I opened my door, I found a big    40  .The bed was perfectly made with blankets and an orange sunflower pillow. On the    41    was a sunflower-pattern mat（地垫，垫子）while a colorful lamp    42  beside the bed. I opened my mouth,   43   .  How beautiful! There was also a   44   card. I touched the little pillow on the bed as I read the card. A warm current (暖流) rushed through my   45   . 26. A. heart           B. card                  C. service                     D. welcome 27. A. student        B. teacher                    C. citizen               D. visitor 28. A. walked               B. introduced         C. showed             D. invited 29. A. bag             B. newspaper         C. letters               D. money 30. A. warned        B. forced                     C. determined        D. supposed 31. A. matter         B. waste                C. show                 D. use 32. A. design         B. size                   C. pattern                     D. example 33. A. As               B. Though             C. Because             D. While 34. A. fruit            B. weather             C. food                 D. color 35. A. organized     B. planned             C. attended            D. opened 36. A. All              B. Most                 C. Some                D. Few 37. A. pleased        B. nervous            C. angry                D. afraid 38. A. dinner          B. class                C. meeting             D. party 39. A. exciting       B. surprising         C. tired               D. interested 40. A. secret          B. joke                  C. warmth           D. surprise 41. A. wall            B. desk                  C. floor              D. ground 42. A. stood           B. lay                 C. appeared         D. hanged 43. A. frightened    B. moved                     C. satisfied           D. understood 44. A. post             B. birthday            C. name              D. festival 45. A. mind           B. head                C. face                 D. body