【单选题】听力原文: The United States has proposed withdrawing about 1/3 of American troops from South Korea by the end of next year as part of a realignment of forces under discussion with authorities in Seoul. Mo...
【单选题】硫酸铜有不同水合物,其各级脱水反应K Θ值分别为: CuSO4 • 5H2O (s) = CuSO4 • 3H2O (s) + 2H2O (g) K1Θ CuSO4 •3H2O (s) = CuSO4 • H2O (s) + 2H2O (g) K2Θ CuSO4 •H2O (s) = CuSO4 (s) + H2O (g) K3Θ ,为了使CuSO4• H2O晶体保持稳定...
【多选题】绿色建筑一般采用的节水方案包括( )。
A.
住宅及公用建筑的优质灰水通过灰水管道收集系统收集
B.
优质灰水系统经过工艺处理,可用于建筑景观环境用水。
C.
优质灰水系统经过工艺处理,可用于建筑杂用水。
E.
未由灰水管道收集系统收集的黑水则通过传统污水管道进入市政污水管网排出小区。
【单选题】自然界中取得的未经任何改变或转换的能源,称之为一次性能源,如 ()、原油、天然气、水能、风能、地热等
【单选题】In contrast, an Francisco【C1】______Japan of its colonial empire and armed【C2】______but sought to cultivate reform【C3】______the nation's politics, to【C4】______its economy and standard of living, and to...
【多选题】自动喷水灭火系统巡查的内容包括____等。
A.
喷头外观及距周边障得物或保护对象的距离是否正常
B.
报警阀组外观、试验阀门、排水设施状况、压力显示值是否正常
C.
充气设备及控制制装置、排气设备及控制装置、火灾探测传动及现杨手动控制装置外观及运行状态是否正常
D.
楼层或区域末端试验阀门处压力值及现场环境是否正常
【多选题】Mr. Anderson and his colleagues are having a meeting. Watch the videoclip and tick ( √ ) the items that arecovered in the meeting. u02p41.mp3:
A.
The proposal for the project
B.
Bill’s meeting with Mr. Black
C.
The price of the products
D.
The packing of the products
E.
The budget for the project
【简答题】在自然界中取得的未经任何改变或转换的能源,称之为(),如原煤、原油、天然气、水能、风能、地热等。
【简答题】在自然界中取得的未经任何改变或转换的能源,称之为一次性能源,如()、原油、天然气、水能、风能、地热等。
【单选题】watch the videoclip and make a choice 2 The instructions and the test are the same as they were in 1932(A) / easier than those in 1932(B)