题目内容

雨水管段最小管径按（）mm设计。

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

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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

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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_.

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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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某瞬时一动点的法向加速度等于零,而其切向加速度不等于零,则该点作( )运动。

A. 直线运动
B. 该瞬时速度为零的曲线运动
C. 直线运动或该瞬时速度为零的曲线运动
D. 无法确定

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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

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?

某瞬时一动点的法向加速度等于零,而其切向加速度不等于零,则该点作( )运动。

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

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_.