关于世界上第一台计算机ENIAC的叙述中，错误的是______。A．ENIAC是19

When you study the local map, you will find this town is   .

A．twice as a large town as that

B．twice the size that one

C．twice as larger as that one

D．twice as large a town as that one

正方体底面积为0.5米²，重20牛，放在水平地面上，对地面的压力为_______牛，对地面的压强为________帕。

怎样理解当前世界政治格局多极化趋势？

电梯减速箱蜗轮蜗杆中心距大于630~1250mm，标准保证侧隙为280mm。

消费者通过感官获得的对商品个别属性的反映是指消费者对商品的（）

A、感觉

B、知觉

C、思维

D、情感