题目内容
关于拱式结构,说法错误的是()。
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图2-4中不存在(41)。
It was a market day, so people and traffic had been pouring into the town since early morning. 【B1】 it was an old town, even the main street was very 【B2】 and soon became overcrowded. There was not enough 【B3】 for all the people on the sidewalk at the roadside, 【B4】 they overflowed into the road, 【B5】 danger to their lives from 【B6】 cars and buses, the drivers of 【B7】 were constantly blowing their horns (喇叭) to 【B8】 people to get out of their 【B9】 .
Yet it was a(n) 【B10】 scene. Peasants walked along the street, their heads piled high with baskets or beautifully woven blankets which they hoped to 【B11】 to the townsfolk. Men with carts 【B12】 their way along, shouting their goods at the top of their 【B13】 . They were selling apples, oranges and grapes--the 【B14】 of their fields. 【B15】 it all, women in bright summer clothes made their way, laughing and talking, 【B16】 children rushed in and out of the crowds screaming with laughter when they didn't ask for something they could not have, or crying out of 【B17】 because they were lost.
The noise went on all day. People did not even stop for a meal, but preferred to buy bits of meat cooked over a fire or bread or ice-cream from the street sellers. The 【B18】 from this and from all the activities of the day began to collect in the street. And finally, when night at last came, the street 【B19】 and only the rubbish 【B20】 , sadly blowing in the cooling night wind.
【B1】
某施工企业向某钢铁厂订购了一批钢材，合同约定的履行期满后，钢厂未履行送货义务。施工企业给了对方一周的宽限期，过了一周，钢厂仍然未履行合同。此时，施工企业()。
下列各项关于投标保证金、履约保证金的表述正确的是()。
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