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【单选题】

They understand the () of automatic sludge discharging of the purifierBut they are not good in practice.

A、principle

B、principal

C、cause

D、case

更多“They understand the () of automatic sludge discharging of the purifierBut they are not good in practice.”相关的问题
第4题

A、understand  B、understanding  C、to understand  D、understood  

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第6题

A、A. A Trojan may have infected the OS or worked its way into the MBR. What did you download recently that caused the problem?  B、B. I understand your concern, and will try to have your computer working again as quickly as possible so that you can finish your report.  C、C. If the paper was so important to you, you should have created a backup copy so you could finish it on another computer.  D、D. I do not understand why you are upset. I am sure your professor will understand and you will be able to turn in the paper tomorrow.  

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第7题

A、Only 20% of decision makers understand UC solutions.  B、They are generally well-educated on what UC solutions offer.  C、Many are yet to be convinced of the need for UC.  D、They have a tendency to support current telephony vendors.  

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