短文改错。
| Rose, a physics teacher, once explained for her | 1.______ |
| class about noise. She decided to test it after her | 2.______ |
| explanation. "Now, I have a brother in Los Angeles," | 3.______ |
| she said, "If I am phoning him, and you were | 4.______ |
| 76 feet away | |
| listened to me from across the street, which of you | 5.______ |
| would hear me early, my brother or you, and for | 6.______ |
| what reason?" | |
| A brightest student at once answered, "My brother, because | 7.______ |
| electricity travel faster than sound waves." But then a girl | 8.______ |
| said, "I didn't agree. Your brother would hear you first | 9.______ |
| because it's 11 o'clock here, it's only 8 in Los Angeles." | 10.______ |