做测定“小灯泡的电功率”实验时，所用器材有：电压为3V的电源，额定电压为2.5V的小灯泡，以及符合实验要求的滑动变阻器、已调零的电流表和电压表、开关、导线若干．

The organization Wild Aid is _________ to protect wild animals. ——It has done a lot so far.

阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项。

                                                                              Musicians wanted

      We want four good musicians for our rock band(摇滚乐队). Are you a musician? Can you sing? Can you play the piano, the guitar or the drums? Do you want to be the best musician? If you want to join us, please send(发送) an e-mail. Our e-mail address is rockband2009 @pep.com.cn. Or you can call Mr. Liu at 790-4566.

                                                                             Teachers needed

      Are you an art te acher? Can you paint (绘画) or draw well? Are you good with kids? We need two teachers for our art club. Please find Mrs Wang for more information(信息) or call 628-1183.