摘要：27．(四川省成都石室中学2010届高三上学期期中考试) It's natural that a house made of wood or bamboo may stay up in an earthquake while it's easier for made of steel and concrete to fall down sometimes． A．one B．that C．it D．what 答案 A

网址：http://m.1010jiajiao.com/timu3_id_2534735[举报]