discuss改为discussed.非谓语动词错误.此处动词discuss与其逻辑主语subjects应为被动关系.故用discussed作定语. Exercise 4 Life on earth depends the sun. Day after 1. day we see its light and feel its warm, but we 2. do not often consider about its origin. 3. Yet there are many remarkable things about the 4. sun. One is their distance from the earth. Even 5. if it could be made, a trip to the sun would spend a long 6. time even by the fastest rocket. 7. The sun is a large satellite. The planet 8. earth is very small in comparison. The sun make 9. us to feel hot, even at a distance of 93 million miles. 10. 答案及解析 【查看更多】
