悬臂拼装施工时，节段叠放层数不宜超过2层，并应对地基和承载力进行验算。
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The boss asked him to go and find out anyone ______ watermelon in the market.
A. sale
B. sell
C. sold
D. selling
悬臂拼装施工时，悬臂施工设置前期力筋的目的是主要承受悬臂体系负弯矩。
A. 对
B. 错
He decided not to resign but to learn _____ Bobby.
A. from
B. by
C. with
D. for
实际伸长值应从初应力时开始量测。
A. 对
B. 错
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