题目内容

表型的多基因性

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Sometimes the charter-party states that the amount of cargo to be loaded is to be decided by the shipowners，e.g. 10000 tons of 2240 1b.，12％ more or less at（）option.

A. Charterer's
B. cargo owner'
C. owner's
D. shipper'

They were all very tired, but（）of them would stop to take a rest.

A. any
B. some
C. none
D. neither

钢筋焊接及验收规程（JGJ18-2012）：焊缝宽度不得小于钢筋直径的（）

A. 0.6倍
B. 0.7倍
C. 0.8倍
D. 0.9倍

悬臂吊车的止挡块只要能挡住吊车运行就可以了，对吗？