【多选题】关于各种活性污泥运行方式,下列说法正确的是
A.
渐减曝气法克服了普通曝气池供氧与需氧之间的矛盾;
B.
完全混合式曝气池克服了传统推流式曝气池不耐冲击负荷的缺点
D.
吸附再生法不适合处理溶解性有机物含量较高的废水;
【简答题】阅读理解。 Dear John, I get your letter from my teacher. I'm happy to know you. My name is Jack. I am fif. I live in Beiji ng.I am a student of No. 1 Middle School. I'm in Class 3. My teacher is Miss L...
【简答题】综合填空。 Dear Sam, Thanks for your letter. I'm very happy you can(1)w_________ to me. My name is Zhang Qian. I'm a Chinese(2)g_________. I'm medium(3)h_________ and not very heavy. I have black, straight...
【简答题】听句子,选择正确答语。 ( )1. A. Oh, I'm not happy. B. The same to you. C. We are all happy. ( )2. A. Yes, it is. B. You're right. C. Thank you. ( )3. A. By bike. B. I don't want to go to school today...
【简答题】选出与画线部分意思相同或相近的选项。 1. I'm not certain whether she will go with us. A. clearly B. sure C. certainly D. known 2. She took particula r care of her hair. A. unusual B. usually C. unusually D. different 3....
【多选题】关于各种活性污泥运行方式,下列说法正确的是
A.
渐减曝气法克服了普通曝气池供氧与需氧之间的矛盾;
C.
吸附再生法不适合处理溶解性有机物含量较高的废水;
D.
完全混合式曝气池克服了传统推流式曝气池不耐冲击负荷的缺点。
【单选题】( )3.I'm not happy .I'm_____.