江苏高考英语专题一语法知识：形容词与副词1Only five years after Steve Jobs death，smart-phones defeated _ PCs in sales.(2017江苏，29)Acontroversial BcontradictoryCconfidential Dconventional答案D解析句意为：仅仅在史蒂夫乔布斯去世五年之后，智能手机的销售额就打败了传统的个人电脑.语境提到smart-phones(智能手机)，与之对应的PCs(personal )应该用形容词conventional修饰，表示“传统的”.controversial有争议的；contradictory自相矛盾的；confidential机密的.故选D.2The disappearance of dinosaurs is not necessarily caused by astronomical incidents.But _ explanations are hard to fin
