如图3-356所示的梁,在荷载作用下(自重不计)的变形图,哪个正确()
A.A
B.B
C.C
D.D
参考答案:B
解析:
结构变形是连续的,固定支座处没有转角。
语法填空 (共10小题,每小题1.5分,满分15分)
阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Chinese proverbs are rich and they are still widely used in Chinese people’s daily life. 1 these proverbs there are often interesting stories. For example, the proverb, “plucking up a crop 2 (help) it grow”, is based on the following story.
It is said that a short—tempered man in the Song Dynasty (960—1279) was very anxious to help 3 rice crop grow up quickly. He was thinking about 4 day and night. But the crop was growing much slower than he expected.
One day, he came up with an idea 5 he would pluck up all of his crop a few inches. He did so the next day.
He was very tired 6 doing this for a whole day, 7 he felt very happy since the crop did “grow” 8 (high).
His son heard about this and went to see the crop. Unfortunately the leaves of the crop began to wither.
This proverb is saying we have to let things go in their 9 (nature) course. Being too anxious to help an event develop often 10 (result) in the contrary to our intention.
在绘制网络图时,应首先进行( )。
A.项目分解
B.确定排列方式
C.编制施工方案
D.逻辑关系分析