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【判断题】
Linux下有很多freeware,这里的free只是免费的意思A.
正确
B.
错误
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【简答题】Data Collection Methods Data collection is a 1 of collecting information from all the relevant sources to find 2 to the research 3 , test the 4 and evaluate the 5 . Data collection methods can be divi...
【简答题】Data that is already yzed is (helpful) _______ than raw data.
【单选题】婴儿腹泻伴水电解质紊乱时,下列哪一项是不正确的?( )
A.
腹泻时由于排钾过多,以致缺钾
B.
酸中毒时易致低血钾
C.
血钾低于3.5mmol/L时,临床出现缺钾症状
D.
补液后钾由尿中排出引起缺钾
E.
补液后血液被稀释,血钾相对减少
【判断题】Secondary data is data that was gathered for another purpose and already exists. ( )
A.
正确
B.
错误
【简答题】Insurersare already pressing motorists to accept black boxes that measure how carefully they drive: these will provide a mass of data which is likely to show that putting the car on autopilot is often...
【简答题】Complete the following conversation with the words in their proper forms. 1. The role of big data will be (important) _________ than ever. 2. The more data there is, (hard)________ it is to yze ...
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