题目:
多层和高层钢筋混凝土房屋的抗震等级是根据哪些因素确定的
Ⅰ.设防烈度 Ⅱ.近震、远震
Ⅲ.结构类型 Ⅳ.房屋高度
A.Ⅰ、Ⅱ、Ⅲ
B.Ⅰ、Ⅲ、Ⅳ
C.Ⅱ、Ⅲ、Ⅳ
D.Ⅰ、Ⅱ、Ⅳ
答案:
参考答案:B
解析: 根据《抗震规范》第6.1.2条表6.1.2规定,现浇钢筋混凝土多层和高层房屋的抗震等级是根据设防烈度、结构类型和房屋高度确定的。
多层和高层钢筋混凝土房屋的抗震等级是根据哪些因素确定的
Ⅰ.设防烈度 Ⅱ.近震、远震
Ⅲ.结构类型 Ⅳ.房屋高度
A.Ⅰ、Ⅱ、Ⅲ
B.Ⅰ、Ⅲ、Ⅳ
C.Ⅱ、Ⅲ、Ⅳ
D.Ⅰ、Ⅱ、Ⅳ
参考答案:B
解析: 根据《抗震规范》第6.1.2条表6.1.2规定,现浇钢筋混凝土多层和高层房屋的抗震等级是根据设防烈度、结构类型和房屋高度确定的。
若甲、乙、丙三人随机地站成一排,则甲、乙两人相邻而站的概率为______.
Last Sunday my aunt ______________at home with me. We were watching
TV all day. [ ]
A.was
B.were
C.is
D.are
完形填空。 | ||||
"Welcome, Mary," I said. She raised her head and looked into my eyes. The smile on my face 1 . Dear God, I thought, what 2 has entered the life of this little girl? After settling Mary into her new desk and 3 her, I went to the headmaster. She said, "Sit down and I'll 4 you in. Mary's mother who loved her very much was shot and killed in her 5 one night at their house. Mary, screaming, escaped to a neighbor's. Then the child went into 6 . She hadn't cried or 7 her mother since." I returned only to discover that the children were already avoiding this " 8 " child. "Mary's been hurt badly, but we can do a lot to help her," I explained gently. Bless all children. How loving they can be 9 they understand. In spite of our 10 , we seemed to be getting no closer to Mary and even my faith was wearing 11 . My heart ached so badly, wanting this child to come alive, to be aware of the beauty, the wonder, the fun, and even the 12 of living. Spring approaching, children 13 to make flower baskets for room decoration. During the lunch time, a girl came hurrying to me. "Come to see Mary's basket," she said 14 . "You'll never believe it!" I 15 my breath at its beauty, for it couldn't have been the work from a child that 16 . "Mary," I said. "This is beautiful. How did you ever 17 ?" She looked at me with the shining eyes of any 18 little girl, saying, "My mother loved flowers." Thank you, God, You've 19 us the miracle . I knelt and put my arms around the child. Then the tears came, slowly at first, but soon she was 20 her heart out against my shoulder. The other children had tears in their eyes, too, but theirs-like mine-were tears of joy. | ||||
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在检查福克斯车型上搭载的4F27E自动变速箱油液位时,下列操作正确的是()
A.变速器油温达到检查温度后,将发动机熄火,变速器排挡杆排至各档后置于P档;
B.起动发动机,在怠速状态下,变速器油温达到检查温度时,将排挡杆排至各档后置于N档;
C.起动发动机,在怠速状态下,变速器油温达到检查温度时,将排挡杆排至各档后置于P档或N档。
D.起动发动机,在怠速状态下,变速器油温达到检查温度时,将排挡杆排至各档后置于P档;
图文电视数据比特率为6.937Mb/s,是电视行频的444倍,图文电视视频处理器为SAA5231、数据处理电路为SAA5243P,其所需的时钟信号频率是().
A、SAA5231产生的13.875MHz
B、SAA5231产生的13.875MHz,经分频得到的6.9375MHz
C、SAA5243P产生的13.875MHz
D、SAA5243P产生的6.9375MHz