12．---Let's try operating the machine right now．
---Wait，Better read the      first．（　�。�
A．informationB．explanationsC．instructionsD．introduction

分析 --咱們現(xiàn)在就開始操作這臺(tái)機(jī)器吧．
--等一等，還是先看一看說(shuō)明為好．

解答 答案：C
解析：A：信息；B：解釋；C：說(shuō)明；D：介紹．根據(jù)句意"最好先讀一讀（使用）說(shuō)明"及所給選項(xiàng)分析可知，本題答案為C選項(xiàng)；其余選項(xiàng)均不符合題意．

點(diǎn)評(píng) 本題考查名詞的辨析，做此類題目時(shí)要清楚各個(gè)選項(xiàng)的含義再結(jié)合句意確定最終的答案．

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