题目

数列的首项为，为等差数列且 .若则，，则=(     ) A. 0         B.  3           C. 8               D. 11 答案：B综合填空（共10小题；每小题1分，满分10分）根据短文内容和首字母提示，在短文空白处填入适当的单词。A passenger told all air hostess (空姐) that he needed a cup of water to take his m___1.__when the plane just took off. She said to him, “I will bring you the water i___2.___ ten minutes.”Thirty minutes later, when the passenger called for the service again, the air hostess ran in a hurry. She was so busy that she f__3.____to bring him the water. As a r___4.____,the passenger couldn’t take his medicine in time. The air hostess hurried over to him with a cup of water. But he r____5.__ it. After a short while, the air hostess came up to him with a smile, “Could you please tell me what I can do for you, sir?”The passenger turned around without any words. The second time, also with a sweet smile, “Would you like s___6.____to eat? “ Again the passenger refused.In the following hours, each time the air hostess passed the passenger, she would ask him with a smile w___7.__ he needed some help or not. But the passenger never replied to her. When the passenger was going to get o____【小题8___ the plane, he asked the air hostess to hand him the passenger’s booklet (小册子). She knew that he would write down terrible words about her job. H___8.__, she still with a smile she handed it to him.Getting off the plane. The air hostess opened the booklet, and smiled because the passenger wrote, “How can I refuse your twelve sweet s___9.____?”