沙特阿拉伯的人们夜晚常把床铺安排在屋顶上,其主要原因是[ ]
A.便于沟通交流
B.气候炎热,极少下雨
C.空气清新
D.能看到夜空的星辰
答案:B
Returning to England from Germany in 1799, William Wordsworth and his sister settled at Dove Cottage in Grasmere, Westmoreland. The poet ______ as well as ______ lived nearby, and the three men became known as the "Lake Poets."
A. Samuel Taylor Coleridge; George Gordon ByronB. Robert Southey; Samuel Taylor ColeridgeC. John Keats; Robert SoutheyD. George Gordon Byron; Percy Bysshe Shelley
能效标准的内容总体上包括:()
A.能效(能耗)限定值
B.节能评价值
C.能源效率等级
D.超前能效指标