【正文】
re than one kind of energy. 103 1 ______________________ 2 ______________________ 3 ______________________ 4 ______________________ 5 ______________________ 6 ______________________ 7 ______________________ 8 ______________________ 104 B You will watch three short clips of video. At the end of each clip, you will see a question. Watch each clip carefully and try to answer the questions. Try to remember every item appeared in the video. 105 ? 106 107 ? ? ? 108 109 ? ? ? ? 1010 41 A Answer the fol