（单选题）下列现象中利用了回声的是（）

A渔民利用声呐探测鱼群

B雷雨天时，先看到闪电后听见雷声

C在马路两旁植树造林

D录音棚内用软泡沫塑料隔音

A渔民利用声呐探测鱼群

B雷雨天时，先看到闪电后听见雷声

C在马路两旁植树造林

D录音棚内用软泡沫塑料隔音

甲创作了一首歌曲《红苹果》，乙唱片公司与甲签订了专有许可合同，在聘请歌星丙演唱了这首歌曲后，制作成录音制品（CD）出版发行。下列哪些行为属于侵权行为？

A某公司未经许可翻录该CD后销售，向甲、乙、丙寄送了报酬

B某公司未经许可自聘歌手在录音棚中演唱了《红苹果》并制作成DVD销售，向甲寄送了报酬

C某商场购买CD后在营业时间作为背景音乐播放，经过甲许可并向其支付了报酬

D某电影公司将CD中的声音作为电影的插曲使用，只经过了甲许可

完形填空。

  You can tell when people have a passion for something. Their eyes light up when they talk about it. They will spend hours doing what  1  them. My friend Marilyn has a passion for  2 . She has developed her talent over the years because of her  3  of music.    She would play at parties, and church events  4  her passion with everyone. Over the years, many people  5  her and gave her the confidence that  6  her producing a CD with a selection of her favourite songs.     Marilyn was in her 60s when she produced her first CD. Her  7  seemed to quiver （轻微颤动) as she told me  8  it. You could hear her passion for music  9  she described the experience of recording the CD. She had 20 been in a recording studio （录音棚 ) in her life, but now she was recording a CD in a professional studio. Her passion brought her 21 .     What is your passion？ Have you found it？ Have you 22 it？ Should let your passion out and make it a reality. Do something that you love to do and make it a reality. As Eve sawyer said, "Never look down upon the 23 of passion." If you 24 have a passion for something, you will 25 a way to achieve it. Your passion will help you 26 the challenges as you start your journey.    If you are not 27 what your passion is, think of what makes you jump out of your 28 in the morning. What is the one thing that you love to do？ 29 it and do it! Don't ask yourself what the world needs; ask yourself what makes you come alive, 30 what the world needs is people who have come alive.

（   )1. A .upsets   （   )2. A. dance  （   )3. A. love   （   )4. A. offering  （   )5. A. advised  （   )6. A. led to   （   )7. A. feeling  （   )8. A. about   （   )9. A. though   （   )10. A. always   （   )11. A. success  （   )12. A. hoped   （   )13. A. force  （    )14. A. hardly   （   )15. A. find   （   )16. A. obey   （   )17. A. doubtful  （   )18. A. room   （   )19. A. Discuss  （   )20. A. before  

B. bores   B. music   B. care    B. providing  B. encouraged   B. relied on  B. song    B. in     B. unless   B. often   B. luck    B. developed  B. rule    B. barely     B. leave   B. express   B. sure    B. chair   B. Promise   B. because  

C. comforts  C. art    C. study   C. sharing   C. praised   C. insisted on  C. appearance  C. at     C. as     C. ever    C. hope    C. grew    C. power   C. briefly   C. give    C. face    C. willing   C. bed    C. Notice   C. when   

D. excites    D. action    D. choice    D. sending    D. moved     D. brought up  D. voice     D. for      D. till     D. never     D. money     D. used                  D. ability    D. truly     D. make     D. behave    D. content    D. mind     D. Find     D. if