如图B5-3所示架空隔热屋面上的w值,何者正确()  A. ≤100mm B. 15

题型:单项选择题

问题:

如图B5-3所示架空隔热屋面上的w值,何者正确()

 

A. ≤100mm

B. 150mm

C. 200mm

D. ≥250mm

考点:注册建筑师建筑材料与构造屋顶
题型:单项选择题

下列光现象与其成因对应正确的是:

A.水中倒影——光的折射

B.雨后彩虹——光的反射

C.形影不离——光的直线传播

D.海市蜃楼——光的色散

题型:单项选择题

煤气爆炸事故中的中毒不允许按中毒事故处理。

题型:单项选择题

 短文改错(共l0小题;每小题1分,满分10分)

  此题要求改正所给短文的错误。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:在缺词处加一个漏字符号(∧);在该行右边横线上写出该加的词;该行错一个词,在错的词下划一个横线;在该行右边横线上写出改正后的词。注意:原行没有错的不要改。

I went to see the film after supper.On my way to the                     76.______

cinema.I met an English woman,who lost her way.                          77.______

I gave up the chance see the film and took her to her                    78.______

hotel.While go there,I told her about great changes                          79.______

that had been taken place here in the past few years                          80.______

and she had told me something about her country.                            81.______

Although I missed the film,but I still felt very happy,for                  82.______

I had not only helped her out of trouble but practiced                83.______

my spoken English.If I had not worked hard on                       84.______

English,I would not have been able to help him.                       85.______

题型:单项选择题

激活菜单栏的快捷键是

A.F10

B.F4

C.F5

D.Ctrl

题型:单项选择题

铁的丰富来源为()

A.动物血

B.瘦肉

C.蛋黄

D.牛奶

E.红糖

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