题目内容

方程y＇＝x＋y不是一阶线性方程。

A. 对
B. 错

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T形梁桥主梁的构造不包括________

A. 梁肋
B. 翼缘板
C. 横隔梁
D. 桥面铺装

装配式T梁的横隔梁连接方式为________。

A. 扣环式接头
B. 企口铰连接
C. 干接缝连接
D. 铰接缝连接

以下哪项不属于装配式空心板桥的优点_____

A. 形状简单
B. 可适用于大跨径桥梁
C. 施工方便
D. 建筑高度小

Section ADirections: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and then questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A）, B), C) and D).Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Question 1 is based on the news report you have just heard.[音频]

A. Heavy floods.
B. Safety concerns.
C. Bad economy.
D. Workers’ strikes.