在正常情况下，镀过锡的锡焊烙铁头部应为（）。A.灰白色 B.咖啡色 C.褐红色 D. 发布时间：2019-10-01 10:28 │ 来源：www.tikuol.com 题型：单项选择题 问题： 在正常情况下，镀过锡的锡焊烙铁头部应为（）。A.灰白色B.咖啡色C.褐红色D.黄青色
题型：单项选择题 此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（√）;如有错误（每行只有一个错误），则按下列情况改正：该行多一个词：把多余的词用斜线（\\)划掉，在该行右边横线上写出该词，并也用斜线划掉。该行缺一个词：在缺词处加一个漏词符号（∧)，在该行右边横线上写出该加的词。该行错一个词：在错词的下面画一横线，在该行右边横线上写出改正后的词。注意：原行没有错的请不要改。Bob and Jim once worked in a same factory. One day, Bob borrowed Jim some money, but later Jim left his job and went to work in another town without pay back themoney. Bob didn’t see Jim for a year, and then he knowsfrom another friend what Jim was in another town and staying at a hotel. So he went to see Jim in the evening. When he got to Jim’s room, Bob saw his shoe lying outsidethe door. “Well, he must in,” he thought. So he knocked atthe door and said, “I know you are in, Jim. Yours shoes arehere.” “I’m out without them,” answered to Jim.小题1:__________小题2: __________小题3: __________小题4:__________小题5:__________小题6: __________小题7: __________小题8:__________小题9: __________小题10:__________ 查看答案
题型：单项选择题 某建筑物室外地面标高为0.600m，屋顶为平屋顶，屋顶面层标高为56.700m，屋顶面积为850m2，屋顶上有水箱间、楼梯出口，其顶部标髙均为60.700m，水箱间、楼梯出口的总面积为90m2。建筑物首层为商铺，二三层为超市，四至十五层为办公室。（1）该建物的建筑高度是多少？（2）确定为该建物类别。（3）确定该建物的耐火等级。（4）确定该建物防火分区的面积。 查看答案