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【单选题】
墙后填土为多层土时,主动土压力强度变化图形一般为( )。A.
直线
B.
曲线
C.
多条线段，层面处相连
D.
多条线段，层面处不相连
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举一反三
【单选题】Happiness and success often come to those are good at recognizing their own strengths.
A.
whom
B.
who
C.
what
D.
which
【单选题】Happiness and success often come to those are good at recognizing their own strengths.
A.
where
B.
who
C.
what
D.
which
【单选题】Inmarsat-C 系统不能提供_____业务。(130270:第3章 Inmarsat-C系统) (A-0,B-0,C-0,D-0,错误-0)
A.
电话 B、电传
B.
E—mail
C.
数据
【单选题】Happiness and success often come to those________are good at recognizing their own strengths. (2013·湖南，21)
A.
whom
B.
who
C.
what
D.
which
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