题目

王楠同学在学习了滑动变阻器的知识后，决定将自己的台灯改为调光式，于是他从解放碑雅兰电子城买了“1W 2kΩ”的电位器一个，装在台灯（灯泡为“PZ220  60”）上，一开灯，确实能调光，但电位器一会儿就冒起烟了，吓得他赶快扯下了插头。分析他失败的原因是（     ）A．因为一开灯能调光，说明电位器规格正确，主要是电位器的质量低劣B．电位器额定电流偏大C．电位器电阻偏小，应换用20kΩ的            D．电位器额定功率偏小 Do you have lots of friends? What do you 36 friends and friendship? Are they very important for you? Some of your friends may have different views and interests, and some like doing the same  37 as you. Do you like friends different from  38 the same as you? You may like the friends who   39  the same interests as you. But I don’t really care.I have two good friends, Peter and James. Peter is   40 me. I am a quiet boy, and Peter is also quiet. We  41 enjoy reading books and surfing the Internet. On weekends, we often go to the library or  42 on the computer together. But James is very different from us. He likes playing ball games, and he is more athletic than us. He is  43 more outgoing. He likes talking and often makes 44 laugh. You see, friends are not  45 to be the same. Do you agree with me?【小题1】A．talk aboutB．think ofC．thank forD．look at【小题2】A．interestsB．viewsC．thingsD．habits【小题3】A．orB．andC．untilD．but【小题4】A．areB．haveC．showD．get【小题5】A．likeB．asC．forD．with【小题6】A．allB．eachC．bothD．some【小题7】A．watchB．workC．readD．play【小题8】A．a fewB．fewC．a lotD．little【小题9】A．himB．herC．themD．us【小题10】A．importantB．necessaryC．difficultD．different