题目内容

污水中有机污染物质的厌氧生物分解终产物主要是以（）为主的小分子物质。

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Task 1 Based on what you have heard from the conversation, answer thefollowing two questions by filling in the blanks with proper words or phrases.1) What’s so special about this national park in California?The national park is full of beautiful______ , and they are called.2) Why are the trees in this national park so special?They’re in size and the _in the world. They’re also very______.

Task 2 Now listen to the conversation again. After listening, please complete the following chart to illustrate why these redwood trees can grow so tall and live so long.

平法图集中对于边柱柱顶纵向钢筋构造节点有几个？

A. 2
B. 3
C. 4
D. 5

柱筋作为梁上部钢筋使用情况下，角部附加钢筋根数不少于（）根，直径不少于（）。

A. 2；8
B. 2；10
C. 3；8
D. 3；10