问题
单项选择题
除设有排烟设施和紧急照明者外，高层建筑内的走道长度超过()m时，应设置直接天然采光和自然通风的设施。
A.20米
B.40米
C.30米
答案
参考答案：A
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除设有排烟设施和紧急照明者外，高层建筑内的走道长度超过()m时，应设置直接天然采光和自然通风的设施。
A.20米
B.40米
C.30米
参考答案：A
I am my mother’s third child. When I was born, the doctor gently explained to my mother that my left arm was 36 , below the elbow (肘). Then he gave her some 37 , “Don’t treat her any 38 from the other girls. Demand more.” And she 39 ! My mother had to work to 40 my family. There were five girls in our family and we all had to 41 . Once when I was about seven, I came out of the 42 , “Mom, I can’t peel (削……皮) potatoes. I only have one hand.” “You get back to peel those potatoes, and don’t ever use that as a(n) 43 for anything again!” Of course I could peel potatoes — with my good hand, while holding them down with my __44 arm. There was always a 45 , and Mom knew it. “If you try hard 46 ,” she said, “you can do anything.” Once in the second grade, our teacher had each of us race across the monkey bars (攀爬架). When it was my turn, I 47 my head. Some kids 48 . I went home crying. After work the next afternoon, Mom 49 me back to the school playground. “Now, 50 up with your right arm,” she advised. She stood by 51 I practiced, and she 52 me when I made progress. I’ll never forget the 53 time I was crossing the bars. The kids were standing there with their mouths open. It was the way with everything. When I 54 I can’t handle (处理) things, I see Mom’s smile again. She had the heart to 55 anything. And she taught me I could, too.
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