在废水好氧生物处理过程中,去除含碳有机物起主要作用的是(),数量最多的也是异氧菌。
参考答案:异氧菌
As we know, Meizhou Island is a famous place of interest in Putian. My pen pal from Australia, Sam, would like to visit it very much. He is coming here for a holiday next week. He is planning to stay here for seven days. He has never come to Putian before, so he needs to know something about it. The weather is the most important thing that he would like to know. He wants to know what he should get ready for the trip and what kinds of clothes he has to take with him. Here is the seven-day weather report for Putian.
根据短文及表格内容,从题中所给的A、B、C、D四个选项中,选出最佳答案。(10分)
小题1:How long will Sam stay in Putian?
A.Two days.
B.Five days.
C.A week.
D.A month.小题2:What information does Sam most want to know?
A.The food in Putian.
B.The history of Putian.
C.The traffic in Putian.
D.The weather in Putian.小题3:What will the weather be like on July 5th?
A.Sunny.
B.Cloudy.
C.Windy.
D.Rainy.小题4:On July 3rd, the high temperature is________.
A. 26C. B. 28 C. 32 D. 36C.
小题5:What do you think Sam should wear when he stays in Putian?
三、定义判断。每道题先给出一个概念的定义,然后分别列出四种情况,要求你严格依据定义,从中选出一个最符合或最不符合该定义的答案。注意:假设这个定义是正确的,不容置疑的。请开始答题: ( 61 一 70 题)
A.鞭炮点燃后发生爆炸
B.湖水中扔入石头泛起波澜
C.手碰到燃烧的蜡烛马上缩回
D.铁钉放置在潮湿环境中生锈