问题 填空题

当板件厚度或宽度在一侧相差大于4mm时,应做坡度不大于1:2.5(静载)或_________ (动载)的斜角,以平缓过度,减小应力集中

答案

参考答案:1:5

单项选择题 共用题干题
阅读理解与欣赏

茅屋为秋风所破歌

杜 甫

       八月秋高风怒号,卷我屋上三重茅。茅飞渡江洒江郊。高者挂罥长林梢,下者飘转沉塘坳。

       南村群童欺我老无力,忍能对面为盗贼。公然抱茅入竹去,唇焦口燥呼不得,归来倚杖自叹息。

       俄顷风定云墨色,秋天漠漠向昏黑。布衾多年冷似铁,娇儿恶卧踏里裂。床头屋漏无干处,雨脚如麻未断绝。自经丧乱少睡眠,长夜沾湿何由彻!

       安得广厦千万间,大庇天下寒士俱欢颜!风雨不动安如山。呜呼!何时眼前突兀见此屋,吾庐独破受冻死亦足!

1.从诗中找出描写的诗句,并对其分析。

                                                                                                                                                         

                                                                                                                                                         

2.从诗中找出叙事的诗句,并对其进行分析。

                                                                                                                                                          

                                                                                                                                                          

3.从诗中找出抒情的诗句,并对其分析。

                                                                                                                                                          

                                                                                                                                                          

4.诗人杜甫在诗中表现了怎样的情怀?