We should try to learn more (economy) ( ) theory and apply it in practice.
We should try to learn more (economy) ( ) theory and apply it in practice.
相关考题：
Previous studies show that parents tend to be aware of sleep problems in older children and adolescents and that pediatric practitioners are ( ) likely to identify sleep problems in these age group.：A、less…lessB、less…moreC、more…lessD、more…more
5． —Why do you like Beijing Opera?—Because I can _______a lot _________Chinese history．A． learn; aboutB． study; aboutC． learn; forD． study; for
I ()have been here, but I()not find the time.A. could; couldB. might; couldC. should; couldD. should; would
The Progressive Movement is a movement demanding government regulation of the _____ and _____ conditions. A.economy/politicalB.social/politicalC.economy/socialD.political/cultural
________ the vessel have no safety radiotelegraphy certificate at the time of her delivery，she ________ be held to be unseaworthy．A.If／mayB.Will／shallC.Should／wouldD.Would／should
______ it rain tomorrow moring, the loading ______.A.Should / will be postponedB.If / shall be postponedC.Should / would be postponedD.If / has to be postponed
下列关于apply方法说法正确的是（)。A．apply方法是对DataFrame每一个元素应用某个函数的B．apply方法能够实现所有aggregate方法的功能C．apply方法和map方法都能够进行聚合操作D．apply方法只能够对行列进行操作