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【单选题】
*在酸性条件下, K 2 Cr 2 O 7 溶液与下列物质反应没有沉淀生成的是 ( ) 。A.
H 2 S
B.
BaCl 2
C.
H 2 O 2
D.
Pb(OAc) 2
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举一反三
【简答题】已知某矩形截面柱，处于一类环境，截面尺寸为b×h=400mm×400mm，计算长度3m，轴力设计值N=350kN，作用点偏心距e 0 =150mm，计算长度为4m，选用C25混凝土和HRB335级钢筋，求截面纵向配筋。
【单选题】his own sickness, he went to the lonely old lady’s home to take care of her.
A.
Although
B.
Because
C.
Despite
D.
In spite
【简答题】已知某矩形截面柱，处于一类环境，截面尺寸为b×h=400mm×400mm，计算长度3m，轴力设计值N=350kN，作用点偏心距e 0 =150mm，计算长度为4m，选用C25混凝土和HRB335级钢筋，求截面纵向配筋。
【单选题】___ his own sikness,he went to the lonely old lady's home to take care of her
A.
Although
B.
Because
C.
Despite
D.
In spite
【简答题】The care ______ lonely, neglected old people is one of the biggest problems of the British welfare state.
【单选题】___ his own illness, he went to the lonely old lady's home to take care of her.
A.
Although
B.
Because
C.
Despite
D.
In spite
【简答题】It was really ________________ of you to take care of the lonely old man. (think)
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