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【简答题】
某城市桥梁，宽8.5m，平面曲线半径为100m，上部结构为20m+25m+20m，三跨孔径组合的混凝土连续梁，梁横断面均对称于桥梁中心轴线，平面布置如图5-33所示，判定在汽车荷载作用下，边跨横桥向A1、A2、D1、D2两组支座的反力大小关系，并提出下列何组关系式正确。 (A)A2>A1，D2 A1，D2>D1 (D)A2 D1
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【简答题】When Pat Jones finished college, she decided to travel around the world and see as many foreign places as she could while she was young. Pat wanted to visit Latin America first, so she got a job as an...
【简答题】完形填空。 When Pat Jones finished college, she decided to travel around the world and see as many foreign places as she could 1 she was young. Pat wanted to visit Latin America first, so she got a job 2 a...
【单选题】听力原文：W: Did Pat come to the party last night? M: She finally showed up when Martin was just about to leave. Q: What does the man mean? (15)
A.
Pat came before Martin left.
B.
Martin will meet Pat at the show room.
C.
Martin lives near Pat.
D.
Martin left before Pat arrived.
【单选题】功的概念有以下几种说法: 1 )保守力作正功时,系统内相应的势能增加. 2 )质点运动经一闭合路径,保守力对质点做的功为零. 3 )作用力与反作用力大小相等,方向相反,所以两者所做功的代数和必为零. 上列说法中
A.
1 ）、 2 ）正确
B.
2 ）、 3 ）正确
C.
2 ）正确
D.
3 ）正确
【简答题】When Pat Jones finished college，she decided to travel around the world and see as many foreign places as she could 21 she was young．Pat wanted to visit Latin America 22 ，so she got a job 23 an English...
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