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【单选题】
Concerning the management of sewage treatment plant using activated sludge, which of the following is correct?A.
The plant should be prohibited to supply air
B.
The plant should work at intervals
C.
The plant should be added disinfector in time
D.
We should check strength of activated sludge, ivory-white color is best.
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举一反三
【单选题】Of the following suggested titles the one most accurately summing up the passage is______.
A.
The Dangers of Modern Technology
B.
The Problem of Oil Pollution
C.
Some Interesting Accidents
D.
A Meeting of the British Association
【单选题】在术中判断肠管的生机十分重要,下列情况除哪项外说明肠管已无生机:
A.
肠壁已呈黑色或紫黑色、相应的肠系膜终末小动脉无搏动
B.
肠壁已失去张力和蠕动能力
C.
肠管麻痹、扩大,对刺激无收缩反应
D.
用等渗盐水纱布热敷及0.5%普鲁卡因作肠系膜根部封闭后肠管恢复蠕动功能,由暗红转为淡红色
E.
肠管已经坏死
【简答题】在技术站,尤其是编组站,调车工作更是主要的生产活动,处于( )地位。
【单选题】One of the summing constraints is____________.
A.
the inverting input conducts no current to the amplifier
B.
no current flows into either input terminal of the ideal op amp
C.
the inverting input is connected to the noninverting input
D.
the voltage between the two input terminals is non-zero
【简答题】在技术站,尤其是编组站, 工作更是主要的生产活动,处于中间环节地位。
【单选题】The judge will give his summing-up at tomorrow's court ______.
A.
period
B.
course
C.
session
D.
schedule
【单选题】已知类A中一个成员函数说明如下:void set(A &a);其中,A &a的含义是什么?
A.
用指向类A的指针变量a作为参数
B.
将a的地址赋给变量set
C.
a是类A的对象引用，用它来作函数set的形参
D.
用变量A与a按位相与作为函数set()的参数
【单选题】Who is responsible for summing up all the arguments?
A.
The first debater
B.
The second debater
C.
The third debater
D.
The fourth debater
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