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【单选题】
近几年，为治理城镇污水，污水处理厂的建设不断升温。大规模上马污水处理厂，的确能在短期内实现城镇生活污水CoD的减排。但是，一些地方城镇生活污水经过鱼塘和天然湿地的生态净化，COD浓度也能大幅度降低。 由此推出( )。A.
单一的集中治理模式不符合环境保护自身的规律
B.
治污就是要付出消耗能量和资金的代价的
C.
减排手段应因地制宜，多种方式相结合
D.
为治污而治污，不能将节能与减排结合好
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举一反三
【简答题】按一阶系统为例,简述求解具体系统频谱特性的一般步骤,并简要说出一阶系统的特性。
【单选题】After working all day， he was so tired that he was in no __________ to go to the party with us．
A.
taste
B.
mood
C.
sense
D.
emotion
【单选题】Their university is located on a beautiful lake, ____ of this developing city.
A.
southeast thirty miles
B.
thirty miles southeast
C.
thirty miles to southeast
D.
to thirty miles southeast
【简答题】如果MCS-51单片机外部晶振频率为12MHz,那么它的一个机器周期是______。
【单选题】During the execution phase of the project, you realized the subcontractors are working with incomplete and different scope statements. As the project manager, what should you do FIRST?
A.
Check the work completed against the correct scope statements。
B.
Review the scope of work with the stakeholders。
C.
Document the inconsistencies to management，calculating the cost of non-conformance
D.
Stop all activities until the scope of work is complete。
【单选题】A new eight-storey building ______ in our city next year. [ ]
A.
was built
B.
will be built
C.
is built
D.
will build
【单选题】某次水平考试成绩出来了,全校有3000多人参加考试,成绩都在同一张工作表中,工作表包含学号、姓名、准考证号、课程名、成绩等,现有一个教学班级90人成绩表,包含学号、姓名、课程名、成绩等数据,成绩数据要来源于水平考试成绩表,在Excel中使用( )函数可以完成这90人的成绩搜索。
A.
IF
B.
SUNIF
C.
VLOOKUP
D.
COUNTIF
【简答题】如果MCS-51单片机外部晶振频率为12MHz,那么它的一个机器周期是______。
【单选题】I’ m fed up wit h working; I want to go on holiday. I’ m fed up wit 的含义是 ____.
A.
厌烦的
B.
吃饱
C.
上去
D.
X
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