利用泥浆生物反应器处理污染土壤，原理是将污染土壤用水调成泥浆

【名词&注释】

营养物质(nutrient)、开发利用(development and utilization)、生物群落(biocoenosis)、呕心沥血、远洋运输(ocean shipping)、河口海岸带、海水浴场(bathing beach)、针砭时弊、发展粮食生产、秘而不宣(hush)

[单选题]利用泥浆生物反应器处理污染土壤，原理是将污染土壤用水调成泥浆状，同时加入部分营养物质和菌种等，在有氧条件下剧烈搅拌，使污染物块速分解。由此推知，该反应器

A. 能够实现物质循环
B. 主要处理有机污染
C. 可看作一个小型生态系统
D. 存在能量输入、传递、转化和散失高

查看答案&解析查看所有试题

学习资料：

[单选题]下列词语中，字形和加点字的读音全部正确的一项是

A. 雪中送炭 笑容可鞠 戕害（qiāng） 针砭时弊（biān）
B. 呕心沥血 淋漓尽致 纤维（qiān） 汲取教训（jī）
C. 天涯海角 丢三落四 提防（dī） 道行很高（héng）
D. 朋比为肩 秘而不宣^(hush) 佛像（fó） 看家本领（kān）

[单选题]第二节 完形填空（共20小题;每小题1.5分，满分30分）阅读下面短文，掌握其大意。然后从36～55各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。

A. When Alice started to cycle home from Jenny’s house, she wasn’t nervous. She was certainly not afraid of the dark.36 , it was only a 15,ncnule ride home. But halfway there, she began to wish that he hadn’t been so 37 .
B. As she rounded a sarp benu, it suddenly 38 cold－very cold. Alice’s breath became puffs of white cloud and her legs aso cale that it became hard to ride.
C. With her liart beating fast, she struggled so hard to move 39 that the didn’t hear the car which suddenly appeared beside her. She stopped by the road. The big black car also 40 ,Slowly, the passenger-window began to slide down. Alice held her breath. In the soft light inside the car, something 41 . Then, the light brightened and Alice was staring at a sweet, grey-haired old lady. “Hello, dear,”said the old lady. “I need 42 . I’m afraid I’m lost. I need to find the nearest airport. I must be there in the next five minutes.”
D. “Airport? You 43 are lost,”Alice said. “You need to go back five kilometers 44 you reach the”
E. T-junction.Turn left and45 for about another 10 kilometers to the main highway.From there,just follow the46 to the airport.But I’m afraid there’s no47 you’ll get there in five minutes!”
F. “Thank you very much,dearn eplied the old lady.“Don’t worry-I’ll48 it time.”
G. The49 up and the started off.A little way ahead,it50 and with hedlights filashing, it drove past Alice. But then, mething51 happened.The car hegary changing flrst, its color52 from black to silvey grew when, the wheels began disappearing, but the car to move forward,53 just above the grolld. As the car54 into the dark sky, the big red tail-lights grew larger and larger and glowed more and more brightly.With a faint whistling55 ,the car was gone in seconds,leaving Alice shaking her head in disbelief…
H. 36____
I. However
J. Besides
K. Therefore
L. Othrwise

[单选题]37_____

A. seriously
B. mentally
C. slightly
D. quietly

[单选题]该河口海岸带合理的开发利用方式是

A. 建设大型海港，发展远洋运输
B. 建立湿地保护区，保护生态环境
C. 开辟海水浴场^{(bathing beach)}，发展滨海旅游
D. 开垦成为耕地，发展粮食生产

[单选题]玉米雌花序为佛焰苞所包藏。( )

A. 正确
B. 错误

[单选题]荷花玉兰花中花药明显长于花丝。( )

A. 正确
B. 错误

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