如果不作控制，零售商门店中的单品数会（）。 A.越来越多 B.越老越少 C.保持不变 发布时间：2018-04-17 15:33 │ 来源：www.tikuol.com 题型：单项选择题 问题： 如果不作控制，零售商门店中的单品数会（）。A.越来越多B.越老越少C.保持不变D.不能确定
题型：单项选择题 完形填空。 As a child, I was truly afraid of the dark and of getting lost; these fears were very real and caused me some uncomfortable moments. Maybe it was the strange 1 things looked and sounded in my familiar room at night that 2 me somuch. There was never total 3 , but a streetlight or passing car lights 4 clothes hung over a chairtake on the 5 of a wild animal. Out of the corner of my 6 , I saw the curtains seem to move when there was no 7 . A tiny sound in the floor would seem a hundred times louder than in the daylight. My 8 would run wild,and my heart would beat fast. I would 9 very still so that the "enemy" would not discover me. Another of my childhood fears was that I would get lost, 10 on the way home from school. Every morning I got on the school bus right near my home -that was no 11 . After school 12 , when all thebuses were 13 up along the street, I was afraid that I'd get on the wrong one and be taken to some 14 neighborhood. On school or family trips to a park or a museum, I wouldn't 15 the leaders out of my sight. Perhaps one of the worst fears 16 all I had a child was that of not being liked or 17 by others. Being popular was so important to me 18 , and the fear of not being liked was a 19 one. One of the processes (过程) of growing up is being able to 20 and overcome our fears. Understandingthe things that frightened us as children helps us achieve greater success later in life. ( )1. A.way ( )2. A.wounded ( )3. A.quietness ( )4. A.got ( )5. A.spirit ( )6. A.eye ( )7. A.breath ( )8. A.belief ( )9. A.lay ( )10. A.especially ( )11. A.discussion ( )12. A.though ( )13. A.called ( )14. A.old ( )15. A.leave ( )16. A.above ( )17. A.protected ( )18. A.then ( )19. A.strict ( )20. A.realize B. time B. destroyed B. darkness B. forced B. height B. window B. wind B. feeling B. hide B. simply B. problem B. yet B. backed B. crowded B. let B. in B. guided B. there B. powerful B. remember C. place C. surprised C. emptiness C. made C. body C. mouth C. air C. imagination C. rest C. probably C. joke C. although C. lined C. poor C. order C. of C. believed C. once C. heavy C. recognize D. reason D. frightened D. lonelinese D. caused D. shape D. door D. sound D. doubt D. lie D. directly D. matter D. still D. packed D. unfamiliar D. send D. at D. accepted D. anyway D. right D. recover 查看答案
题型：单项选择题 图中所示为四种常用电子调节器的过渡过程特性曲线图。 图中Uk为调节器输入，Uc为调节器输出。题中R()0、R 1、R 2、C0、C 1、C 2为电子 调节器线路中的电阻和电容。图中( )比例—积分(PI)调节器的过渡过程特性曲线，如有请指出是( )。A．有，图dB．有，图bC．没有D．有，图a 查看答案