问题
单项选择题
大跨度预应力混凝土T形梁采用曲线形布置预应力钢筋，其主要目的是为了（）。
A.方便布筋，消除端头局部压力
B.减少预应力损失，提高永存应力
C.防止产生预拉区裂缝和减少支座附近区段的主拉应力等
D.消除端头荷载弯矩
答案
参考答案：C
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大跨度预应力混凝土T形梁采用曲线形布置预应力钢筋，其主要目的是为了（）。
A.方便布筋，消除端头局部压力
B.减少预应力损失，提高永存应力
C.防止产生预拉区裂缝和减少支座附近区段的主拉应力等
D.消除端头荷载弯矩
参考答案：C
完形填空（共10小题，每小题1分，满分10分） 从A、B、C、D四个选项中选择能填入空白处的最佳答案，并将其字母代号填入答题卷相应空格内。 Mr. and Mrs. King have lived in our town for nearly twenty years. They have a bookshop by the bus station. They’re __1__ to everybody and have a lot of friends. They often __2__ the poor students and sell them some books cheaply. So there’re many young men in their shop. Of course people __3_ them and their friends often call on (拜访) them and _4__ them. We can always hear their rooms are full of __5__ and quarrel. It was a Friday evening. Mr. and Mrs. King were going to have a picnic on the island the next __6__. It was a little far from our town. So they had to _7__ earlier than usual to catch a six o’clock train. After _8__ a few friends came to see them while they were cooking some _9 and drinks for the picnic. Mr. king and his wife had to stop _10__ them. They talked a lot and few of them looked at the _11__ on the wall. Mr. and Mrs. King were anxious (焦急) but they couldn’t tell the visitors about it. The woman thought for a few _12__ and had an idea. She said to her __13__, “Oh, it’s eleven o’clock! You’d better stop talking, dear! Our guests are anxious to _14__! Mr. king heard this and stood up and said _15_ to the visitors and they left soon.
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