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THE MAIN TOPIC OF THIS PASSAGE IS A. MACHINERY MAK...
THE MAIN TOPIC OF THIS PASSAGE IS A. MACHINERY MAKES THE DIFFERENC...
Đề thi Olympic tham khảo
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1. The main topic of this passage is A. machinery makes the difference B. horse power per head C. worker productivity D. the importance of spirit and stamina
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Đề thi Olympic tham khảo