软件生命周期中，能够明确目标系统必须实现哪些功能及必须做什么的阶段是（）。 A.可行 发布时间：2017-08-12 03:42 │ 来源：www.tikuol.com 题型：单项选择题 问题： 软件生命周期中，能够明确目标系统必须实现哪些功能及必须做什么的阶段是（）。A.可行性分析B.详细设计C.概要设计D.需求分析
题型：单项选择题 完形填空。 I am not one who is frightened easily, but I must admit that one night I saw a figure th at really struck terror into my heart. I 1 it was a cold moon - lit night when I was walking home. It was the first night of my whole life that I had been outside 2 at such a late time. There were 3 few people on the road at night. Even during theday, the road was used by only some. On that night, it seemed even 4 . While I was walking, I could hear some 5 made by creatures that love the night world. I moved really fast towards home. It was 6 becauseI was hungry. More importantly, I was eager to get back home for warmth. All of a sudden, I 7 an old ladyin a short distance away. Her 8 was covered with a white cloth. She was 9 to me, I think. I was a bit 10 . I wanted to know 11 she was there at that time of the late night. I stopped walking for a while. As I 12 there, stories about ghosts (鬼) began to come to my mind one after 13 . I was soon 14 fear and started to run as fast as I could. When I reached home I could 15 speak. The next day, however, I 16 that place again to make sure that the woman was not a ghost but indeed a real person. But I could find no footprints there 17 a banana plant. I realized then that it was the banana plantwith its leaves moving in the gentle wind that 18 like a woman waving her hand. I had indeed made a fool of myself; but after the 19 night's experience, this 20 was small relief to me. ( )1. A. realized ( )2. A. alone ( )3. A. never ( )4. A. busier ( )5. A. noises ( )6. A. completely ( )7. A. made sense of ( )8. A. waist ( )9. A. smiling ( )10. A. mysterious ( )11. A. why ( )12. A. lay ( )13. A. another ( )14. A. addicted to ( )15. A. clearly ( )16. A. traveled ( )17. A. over ( )18. A. felt ( )19. A. previous ( )20. A. invention B. recognized B. asleep B. often B. noisier B. quarrels B. mainly B. caught sight of B. leg B. waiting B. cautious B. when B. sat B. other B. filled with B. easily B. visited B. without B. looked B. next B. achievement C. remembered C. awake C. seldom C. quieter C. songs C. obviously C. got ahead of C. head C. whispering C. conscious C. what C. stood C. others C. far from C. hardly C. appreciated C. than C. smelt C. last C. contribution D. reminded D. lonely D. rarely D. wider D. voices D. partly D. took hold of D. hand D. waving D. curious D. how D. walked D. the other D. short of D. loudly D. went D. except D. sounded D. following D. discovery 查看答案
题型：单项选择题 ( )是指当投保人没有能力支付保费或不愿意继续缴纳保费时，保单项下已经积存的责任准备金，可以作为退保金以现金形式返还给投保人，也可以作为趸缴保险费将原保险单改为缴清保险单或展期保险单。A．保单贷款的权利B．不丧失价值选择权C．保费自动垫缴选择权D．保单复效选择权 查看答案