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【单选题】
单层工业厂房结构安装时,柱采用旋转法吊装时,柱斜向布置中三点共弧是指( )三者共弧。A.
停机点，杯形基础中心点，柱脚
B.
柱吊点，停机点，杯形基础中心点
C.
柱吊点，柱脚，停机点
D.
柱吊点，杯形基础中心点，柱脚
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【简答题】They want to know if we'd be interested in s____ a tour they want to make to East Asia.
【单选题】They want to know ()to help us.
A.
they can they do it
B.
that they can do it
C.
what they can do
D.
what can the do
【单选题】They want to know ______ do it to help us.
A.
what can they
B.
what they can
C.
how they can
D.
how can they
【单选题】They want to know ________ do to help us.
A.
what can they
B.
how they can
C.
what they can
D.
how can they
【单选题】They want to know ______do to help us.
A.
what can they
B.
what they can
C.
how they can
D.
how can they
【单选题】They want to know_ do to help us.
A.
what they can
B.
how they can
C.
how can they
D.
what can they
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