皮皮学，免费搜题
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搜题
【多选题】
下列哪种QOS技术不属于排队技术？（选择两项。）A.
FIFOQ
B.
PQ
C.
CQ
D.
CBWFQ
E.
CAR
F.
PBR
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】简述活性污泥的组成。
【单选题】As the boy listened attentively in class, everything his teacher said was easily ______. [ ]
A.
for him to understand
B.
understood
C.
to understand
D.
to be understood
【单选题】He apologized ________ late.A．to his teacher to arriveB．to his teacher for arrivingC．at his teac
A.
21. He apologized ________ late. A．to his teacher to arrive
B.
to his teacher for arriving
C.
at his teacher to arrive
D.
at his teacher for arriving
【判断题】在微生物驱油过程中，注入的细菌以及随其进入地层的杂质会造成堵塞效应，特别是细菌生长过快的条件下，油藏被堵可能使渗透率降低20％～70％，而且原油降解现象严重，不利于提高原油采收率。因此，控制细菌生长速度的问题在实际现场应用中就显得尤为重要。
A.
正确
B.
错误
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