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- 共用题干 Every Dog Has His SayKimiko Fukuda always wondered what her dog was trying to say. Whenever sh...
- 共用题干 Ford1 Fords great strength was the manufacturing process一not invention.Long before he started ...
- 共用题干 Save Energy At HomeOn the average,Americans waste as much energy as two-thirds of the worlds p...
- 共用题干 The iPad1 The iPad is a tablet computer（平板电脑）designed and developed by Apple. It is par-ticula...
- An Essential Scientific Process All life on the earth depends upon green plants. Using sunlight, th...
- 共用题干 Learn about Light1 .Ancient civilizations were amazed by the existence of light for thousands ...
- 共用题干 Travel Across AfricaFor six hours we shot through the barren（荒芜的）landscape of the Karoo desert...
- 共用题干 第二篇Saving MoneyWhere you save your money often depends on what you are saving for. If you are ...
- 共用题干 “Lucky” Lord Lucan一Alive or DeadOn 8th November 1974 Lord Lucan,a British aristocrat,vanished....
- 共用题干 Animals “Sixth Sense”A tsunami（海啸）was triggered（引发）by an earthquake in the Indian Ocean in Dec...