the buildings have been so well designed amd bui

C（周围的）环境[事物]；环境,周围的事物这些建筑物设计巧妙,与周围环境浑然一体。surrounding常用复数形式,指"环境,周围的事物",词义较狭窄,仅指周围的具体的物质性的东西。The students live happily in beautiful surroundings。circumstance意为"环境,情形,情况",常用复数形式,表明与某事件或某人有关的情况,环境,境况等。 再问： All the electrical devices sold in this store at downtown come with a three-year____。A。safety B。guarantee C。insurance D。security再问： Weather forecast is not providing us with all reliable information，because potential changes in the weather are hard to_____，let alone predict。A。estimate B。calculate C。emphasize D。convert 再答： B 三年保修期 再答： 祝你进步! 不知你为何不愿采纳？？？