【简答题】That is the conclusion of a new study that looked at how respiratory(呼吸道) viruses _____ on airplanes. 句子缺少的单词的词性是什么? Prior to the new study, little was known about the risks of getting _____ infe...
【简答题】常用易混词辨析与练习(二) study, learn study (学习)是及物或不及物动词。往往侧重学习过程,多用于较高深的或周密的研究。 learn (学习;获悉)侧重学习成果,多用于学习的初级阶段或常指学习带有技术性的动作。常用 learn sth., learn from sb./sth., learn to do sth. 等结构。