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改错 1 1. He told us about the countries where he had visited.____ 2. Egypt is a country where is famous for its pyramids._____ 3. This is the knife with that the doctor did the operation._____ 4. The days when we spent together cannot be easily forgotten. _____ 5. The house stands at the place that the two roads meet._____ 6. We shall visit the college where his father teaches there._____ 7. I know the reason that she looks so worried._____ 8. He left me the book,that is very useful for me._____ 9. This is the room which food is kept. _____ 10. April 15,1976 is the day when we'll never forget. _____
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【简答题】由计算机处理的图像分两类,分别是____和____,其中Photoshop处理的图像属于____,Flash处理的图片属于____。
【简答题】直流稳压电源由电源变压器、 、 和 四个部分组成。
【简答题】Coming home from school, I was filled with excitement. But I was into stillness by what I saw. Mother, seated at the end of the sofa, , with the second-hand green typewriter on the table. She told me ...
【简答题】直流稳压电源由 、 、 和 四部分组成。