wood (). It was made from the hair-like parts of55. certain () plants.Books were expensive after paper was invented because they were made by hand, but development in printing made it 56. cheaper_(更便宜的) and faster to make books. A trade in books resulted, and 57. knowledge(知识...
But as she was warming up, she _2_ that some of the kids were staring(盯着看) at her. Was her dancing clothes on backward? Had she spilt something on herself? No! The kids were looking at her left 3 . It stops above the elbow()."I've had to deal with people staring at me ...
When were blue jeans invented? When were the sunglasses invented? When was the hair straightener invented? When was the scarecrow invented? When was the bulletproof vest invented? When was the backpack invented? When were motorcycles invented? When was denim invented? When was the hairbrush invent...
9. Everyone knows Thomas Edison ___a lot of useful inventions. A. invents B. invented C. discovers D. discovered 10.He lived in place ___ Gum Tree. A. called B. name C. named D. Both A and C 11. ___...
布）andadhesivetape胶（带）didntcometogether.Peoplehadtocutthemtotherightsize.DicksonfoundtheywerealwaystoobigandsoonfelloffSoheputapieceofgauzeonthecenterofapieceoftape.ThisishowhemadethefirstBand-Aid.LaterDicksonsnewinventionsbecameverypopularallaroundtheworldBubbleum泡（泡糖）Bubblegumwasinventedbyaccident...
When was the hair dryer invented? When was the ceiling fan invented? When was basketball invented? When was the beeper invented? When was the first lamp invented? When was the hammer invented? When were Antebellum houses built? When was beer invented?
Animal hair was replaced by nylon in 1938. Electric toothbrushes were invented and marketed in 1880 by “Dr Scott". The popularity of the electric toothbrush did not take off until after World War Ⅱ. When the cordless (无线的)model was invented in 1960, its popularity increased a lot.根据...
When was the first pillow invented? The First Pillow The history of the sleeping pillow all started in Mesopotamia.Around 7,000 BC, pillows were made of stone. While not the best start to the current comfortable designs, these pillows were actually used to avoid insects crawling into individual...
Animal hair was re-placed by nylon in 1938. Electric toothbrushes were invented and marketed in 1880 by"Dr. Scott". The popularity of the electric toothbrush did not take off until after World War [I . When the cordless model was invented in 1960, its popularity increased a lot.(一)根据...
4. I think the telephone was invented before the car. 我认为电话比小汽车发明得早。 5. George Crum cooked them for a long time until they were crispy. 乔治.克朗姆煮了很长时间直到它们很脆了。 6. The emperor noticed that the leaves in the water produced a pleasant smell. ...