【多选题】新闻评论的时效性在于( )
E.
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【单选题】A recently published systematic review nicely summarizes that:
A.
the huge variety of bonding methods used on dental oxide ceramics and their results in laboratory bond strength testing.
B.
published clinical trials on bonded oxide ceramic restorations and correlate their results with that of laboratory bond strength testing use the same bonding methods as in the clinical trials.
C.
23 different suce treatments that had been tested still with a wide variation of specific conditions.
D.
the vast amount of laboratory research it really is still a significant problem in dentistry to bond reliably to oxide ceramics such as alumina and zirconia ceramics.
【简答题】评论与理论最大的区别就是时效性。理论可以在尘埃落定后再做总结性梳理。而评论则必须有快速反应的能力,需要在文艺作品发表或上演后立即开始。一些专业评论工作者不善于、甚至不屑于评论当下最热门的文艺作品或文艺现象,认为这种评论肤浅,会降低自己的身份。当新的文学艺术作品不断出现在人们视野中时,而专业的文艺评论却未能及时跟进,不能在第一时间发出声音,不能做出审美评价。而这种评价往往正是人们最希望获知的。于是,...
【简答题】已知三相电机的两相电压 V, V,则其电源的相序为 。
【多选题】下列关于卡波姆性质与应用特点的正确叙述是
【单选题】患者女,36岁,已婚。因发热、乏力、尿频、尿急等症状就诊,怀疑有急性肾盂肾炎。关于肾盂肾炎患者的治疗原则,正确的是
【判断题】整流二极管的工作,是利用它的单向导电性。