题目内容

对于暗管式雨水管段,其最小设计流速为()m/s。

A. 0.7
B. 0.55
C. 0.75
D. 1.2

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雨水管段最小管径按()mm设计。

A. 150
B. 200
C. 300
D. 350

雨水管段的衔接一般采用()方式

A. 管顶平接
B. 管底平接
C. 水面平接

While we listen to a conversation, a question and an answer form a unit which is called one ___1___. It usually centers around one ___2___. Generally speaking, questions are evenly ___3___ among topics, which means answers will show up when topics ___4___.

What are the benefits of learning the conversation listening strategy?

A. Because it can help me predict the content and be mentally prepared.
Because I will now exactly where the answer is.
C. Because I would grasp the logic between the previous sentence and the next one.
D. Because I can seize the pace to do the exercise, i.e., when to move to the next question.

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