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单项选择题

无窗间墙和窗槛墙的玻璃幕墙，应在每层楼板外沿设高度不低于( )米的不燃烧实体裙墙。

A.0.30
B.0.50
C.0.70
D.0.80
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单项选择题
设student是一个类名，则下列语句中，不可能正确的是
A．student a;
B．student b;
C．student c{3};
D．student d("LiSi");
单项选择题
在面积相同的条件下，下列不符合住宅建筑技术经济评价标准对定量指标的评价是( )。
A.卧室、起居室的数量多者为优
B.好朝向的卧室，起居室的数量多者为优
C.使用面积系数大者为优
D.平均每户面宽大者为优
单项选择题
根据下面资料，回答21-35题
In the past, I always thought that being a teacher was an easy job. But I changed my（21）when I became a part-time teacher. About four years ago, Richard asked me（22）I could help teach his students how to make a website about themselves.
I（23）because computer is what I do well and I didn′ t think teaching computer would bethat（24）.
But when 1 taught Richard′ s class, some of the students（25）with their friends while I was explaining how to do something. At first I just got angry with them,（26）Richard taught me to think why they were doing this. He said that if he was（27）a lesson and the students were not lis-tening, then he was angry with（28）for not making the lesson clear or interesting for them. I told him that I didn′ t（29）his idea. He then asked me if l had ever（30）the same thing. That made me stop. Of course I had !
If any of my past teachers are（31）this, I want to say sorry if I sometimes played around in the class（32）you were teaching. I didn′ t think how that would make you feel. I promise I will do my best to be a good（33）in the future. Please help us when we don′t understand and most（34）, don′ t be quick to be angry when we fail.（35）of us are perfect but with your help we can be successful.
第（31）题选
A.reading
B.meaning
C.writing
D.saying
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