关于瓦屋面的设计要求，下列表述中，哪条是错误的（） A.平瓦、_爱下问搜题

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问题单项选择题

关于瓦屋面的设计要求，下列表述中，哪条是错误的（）

A.平瓦、油毡瓦屋面仅适用坡度不小于20%的屋面，严禁钉帽外露油毡瓦面

B. 抗震设防区使用平瓦屋面，应采取固定加强措施

C. 平瓦屋面坡度大于45%时，应采取固定加强措施

D. 固定金属压型板的螺栓(螺钉)，应设在波峰上

答案

参考答案：C

解析：

《屋面工程质量验收规范》(GB 50207—2002)规定，7.1.5平瓦必须铺置牢固。地震设防地区或坡度大于50%的屋面，应采取固定加强措施。

完形填空

When I was five years old, my mother first asked me a  41   . “What’s the most  42 Part（部分）of one’s body（身体）?” she asked me. At the moment, I  43   listening to songs very much, so I answered, “My  44  , Mom.” “I don’t think so,” said my mother. She always asked me this question, but I  45  gave her the right (正确的) answer.
Last year, my grandmother  46  the world. For the first time, I saw my mother  47  so sadly. All the people in my family were very 48  . That night, my mother asked the 49 question again. “You need to  50   this important lesson today, my dear,” she said to me. “The most important part of one’s body is the shoulder (肩膀).”
“  51   ?” I asked.
“Because your shoulders can hold the head of a friend or one of your family,” my mother said. “Everyone  52   a shoulder to cry on when he or she  53   something sad. I hope that you have  54   love and strong (强壮的) shoulders. Then your friends and family can cry on them.”
“My shoulders are  41   strong now,” I said. “You can cry on each of them, Mom.”

A．interesting

单项选择题

用毛巾清理新车车身的污垢，可能会出现（）现象。

A.车身带静电

B.有棉线脱落附在车身上

C.磨损表面油漆