题目

“你从雪山走来，春潮是你的风采.你向东海奔去，惊涛是你的气概.”这首气势恢宏的《长江之歌），纵情讴歌了中华民族的母亲河一长江.长江是我国第一大河，它的全长约为6300千米，6300这个数用科学记数法表示为（） A . 63×102 B . 6.3×102 C . 6.3×103 D . 6.3×104 答案：C听音选图片，将答案写在横线上。                         A                                B                                       C                       D                                E                                       F               G                                                 HWhat can you see?1. I can see __________________________.2. I can see __________________________.3. I can see __________________________.4. I can see _______   _________________.5. I can see __________________________.6. I can see __________________________.7.  I can see _________________________.8.  I can see _________________________.