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【单选题】
根据我国工程设计经验,一般矩形截面梁的经济配筋率为 ( ) %。
A.
0.4-1.0
B.
0.6-1.5
C.
0.8-2.0
D.
1.0-2.0
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举一反三
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B.
甲直立生长、乙向右生长、丙向左生长、丁不生长，也不弯曲、戊向左生长
C.
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A.
affiliated
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attached
C.
contact
D.
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E.
continuous
F.
diminish
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【简答题】听下面一段对话,回答第1至3题. 1. What did George's sister do yesterday? A. She looked after her baby. B. She stayed at home all day. C. She did some shopping. 2. What did the woman want to invite George to do last...
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affiliated
B.
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C.
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J.
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