A:郑和下西洋彰显强大国力
B:开辟丝绸之路
C:经济重心已实现南移
D:玄奘西游天竺学习佛学
A.小灯泡L( 3V、5Ω);
B.滑动变阻器R(0﹣10Ω,额定电流1.5A);
C.电压表V1(量程:0﹣3V,RV=5kΩ);
D.电压表V2(量程:0﹣15V,RV=10kΩ);
E.电流表A1(量程:0﹣0.6A,RA=0.5Ω);
F.电流表A2(量程:0﹣3A,RA=0.1Ω);
G.铅蓄电池、开关各一个,导线若干;
实验中要求加在小灯泡两端的电压可连续地从零调到额定电压.
Dear Li Fei, How are you? I will have a short holiday next week and have decided to visit Shanghai for a second time. I have booked a room in the Peace Hotel. I hear it is on the Bund(外滩) and has a good view of the famous Huangpu River. I will arrive on the night of March 27 and leave early on March 29. I would like to visit some of the most famous places, such as Nanjing Road and Yu Garden in Chenghuangmiao. Can you give me some suggestions for my visit to Shanghai? I will have only one day to look around Shanghai. I will be happy if you can make a tour plan for me. Please say hello to Lu Mei. I'm looking forward to your reply. Yours,Sandy
下列加线的字意义和用法相同的一项是( )