题型:问答题 简答题 Helen has got___it takes to be a great tennis player.In other words, she has the potential to become world famous.A.howB.whatC.whenD.that 查看答案
题型:问答题 简答题 有关烟气排出口的叙述,不正确的是()A.烟气排出口的材料,可采用1.5mm厚钢板或用具有同等耐火性能的材料制作B.烟气排出口的设置,无须根据建筑物所处的条件考虑确定C.烟气排出口必须避开有燃烧危险的部位D.当烟气排出口设在室外时,应防止雨水、虫鸟等侵入,并要求在排烟时坚固而且不会脱落 查看答案