（2015•兰州）某实验小组做“测量小灯泡电功率”的实验电路如图甲所示．已知电源电压为3V，小灯泡的额定电压为2.5V．

    As some of these actors could not sing well enough, they had to rely on other musicians to help them. So during the broadcasts they just 1 to sing. Anyhow their 2 were humorous enough to be copied by other groups. They were so popular that their fans formed clubs in order to get more 3 with them. Each week on TV, the Monkees would play and sing songs 4 by other musicians.5, after a year or so in which they became more 6 about their work, the Monkees started to play and sing their own songs like a real band. Then they 7 their own records and started touring and playing their own music. In the USA they became even more popular than the Beatles and sold even more 8. The band 9 up in about 1970, but happily they reunited in the mid-1980s. They produced a new record in 1996,10which they celebrated their former time as a real band.

创新在聊城。下列属干科技创新的有（    ）
①聊城农民冯长海发明手扶式机动喷雾器，大大提高工作效率 ②聊城人李晨光制作的隐砣自动机械腕表获首届中国钟表设计大赛最高奖

③临清烟店镇荣获“中国轴承贸易之都”称号 ④阳谷祥光铜业在世界上．率先打破了国外巨头对“双闪”核心技术几十年的垄断，自创专利技术60多项