首先请阅读以下一些青少年杂志的简要介绍：
A. Teens Now is a successful music magazine for teenagers that lists who is playing, where and when and how to get tickets. Interviews with well-known singers and groups as well as biographies are included. It also gives its young readers the chance to send their own articles.
B. NS Teens magazine is well-known for its wildlife and environmental content but it also has articles on the history and culture of people from all over the world. Some of the articles are long and detailed but the magazine is also famous for its fantastic photo-journalism. There are letters from readers as well as maps and facts sheets.
C. Top Teens is easy to read and full of color photographs. There are a range of different sections including those offering fashion and beauty advice. But the majority of its pages are devoted to interviews with the popular, well-known fashion models and stars of cinema, music and sports.
D. Young WB is the only environmental magazine written by teenagers for teenagers. Readers are invited to send their articles and photographs to the magazine’s office and materials are chosen for the next issue. As well as articles about the natural world, the magazine also has many special offers and competitions.
E. Teenplus is very different from the average teen magazine that simply offers articles on pop stars and fashion. This exciting new magazine informs readers about what is happening in the world through its in-depth articles on current affairs, politics and science. It also provides a variety of reviews on recent books, films and music CDs.
F. Teen Voice is a magazine which no journalists write for and depends completely on articles sent in by its teenage readers. It gives young people the opportunity to publish their creative works such as poems or short works of fiction or to voice their opinion on important issues. They can also write comments on the latest music CDs.
以下介绍了一些青少年的兴趣爱好。请将他们与上述杂志匹配起来。
小题1:Oliver would like to read stories that people of his own age have written. He is also keen on music.
小题2:Bessie wants to know more about famous people who frequently appear in the newspapers. She is also interested in clothing and would like some recommendations on what style to wear.
小题3:Johnson is interested in learning more about the latest international events and affairs. Besides, he is also keen on the cinema and would like to read different opinions on what movies to see.
小题4:Jennifer is fond of geography and the natural world. She would also like to read articles that tell her about the lives of people from other countries.
小题5:Chris enjoys going to concerts very much and hopes to find out more about people in his favourite bands. He is also fond of reading things written by other teenagers.
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分别与电阻
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、电容
串联，然后再并联到“220V 50Hz”的交流电路上，三只灯泡的亮度相同。若保持交变电压不变，将交变电流的频率增大到60Hz，则发生的现象：
