The materials _____ in _______ have to be light and strongThe materials _____ in _______ have to be light and strong.A.used ; the spacecraftsB.used ;spacecraft

The materials _____ in _______ have to be light and strongThe materials _____ in _______ have to be light and strong.A.used ; the spacecraftsB.used ;spacecraft The factory has 65 percent of the raw materials,the rest of which _____ saved for other purposes.A.is B.are C.was D.were the high cost of materials是什么意思 The following materials will be removed The skyscraper is made ____ new materials. What are the materials of rigid tube? The life of London is made up of many different _____.A.elements B.sections C.materials D.realities为何选A The factory has 65 percent of the raw materials,the rest of which _____ saved for other purposes.A.is B.are C.was D.were顺便翻译一下 ^o^ I think _____ of the materials I listened to at the begining of the exam ______ easy.A.two thirds;is B.second three ; are C.two thirds ;are D.two third;are要原因详细谢谢 The most urgent problem now we are facing is _____ to learn the needed materials for the matriculation of postgraduate.A.make our every effortB.to make our every effortC.to our every effortD.made our efforts The weather of a country should be measured _____ the health and happiness of its people,as well as by materials it can produce .A in terms of b,by means of ,哪一个是正确的答案 31.I certainly appreciate _____ us about the delay in delivering the materials because we had planned to begin work tomorrow.A.him to tell B.him of telling C.he told D.his telling答案是A还是B? while localization is under way,the major raw materials SNOCL. They are serching for the materials to cancer 神马 意思? 翻译：vehicle movements associated with the collection of waste materials 翻译ALL materials to the Graduate Division by February 15. what are the main characteristics of polymeric materials?Material physics Should we buy products _____ (制造)from recycled materials to help save energy为什么用made?