若已知弯折锚筋为3Φ18的钢筋，则弯折锚筋的锚固长度最接近下列()项数值。
A. 529mm
B. 502mm
C. 566mm
D. 448mm
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A．confusingB．astonishingC．bewilderingD．surprising
A. confusing
B. astonishing
C. bewildering
D. surprising
【29】
A. after
B. before
C. when
D. as
根据材料，回答问题下面问题。
2008年1-4月全国城镇固定资产投资完成额约为()
A. 26410元
B. 42亿元
C. 21650亿元
D. 28410亿元
Margaret Mead suggests that
A. we should not rejoice at a birth.
B. we should cry at a birth and rejoice at a funeral.
C. a wedding should be solemn affair.
D. death should be accepted in the same spirit as marriage and birth.
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