题目

阅读下面短文，在空白处填入 1 个适当的单词或括号内单词的正确形式。 In the near future, the world's top chefs may be using knives made from wood. This may seem impossible, but materials scientists (create) a wooden knife that is three times sharper than the stainless steel knives we use for dinner. Researcher Teng Li said wooden knives would enter the list of wooden utensils items currently (find) in kitchens across the world. He said: "In our kitchen, we have many wooden things that we use for a very long time, like a cutting board, chopsticks,  a rolling pin. These new knives can also  (use) many times if you sharpen them and perform the same regular upkeep."  (tradition), knives have been made of steel. The scientists improved the strength of the wood in their knives  increasing the cellulose (纤维素) it contains. Cellulose is the most important part of wood. It has a  (high) ratio of strength to density (密度) than most steel materials. Teng Li said the new cutting material is hardened to the extent that it can effortlessly slice through the toughest steak. There is an  (add) advantage of wooden knives - they are environmentally friendly. They could end our (depend) on plastic materials. The scientists have also developed wooden nails, which could be a great help to the building industry as they will not rust and weaken like conventional nails. 答案：【1】have created【2】found【3】or【4】be used【5】the【6】Traditionally【7】by【8】higher【9】added【10】dependence

查看本题答案和解析