重物荷载可直接堆放在结构表面形成均布荷载或置于荷载盘上通过吊杆挂于结构上形成集中荷载( )

以下哪些是足月新生儿表现出来的生存反射。() 点击查看答案

The author would most likely agree with the assertion that______.A．American businesses are superior to their foreign counterparts in all aspects due to their competitive natureB．in the future, American businesses will have to change and adapt in order to meet the new competition presented by foreign companies emulating their waysC．with its free-market nature, American businesses could easily compete against its foreign counterpartsD．the free-market economic system is superior to all other market systems currently known 点击查看答案