Speaking of public health,the spokesman says Chinese government will go all out to        
_____product quality,especially food safety.? 
A．confirmB．ensureC．devoteD．commit?
B?
考查動(dòng)詞辨析。 ensure確保，擔(dān)保；confirm證實(shí)，證明；肯定，確認(rèn)；devote致力于；commit就……作出保證，承諾。句意為：談到公共健康時(shí)，那個(gè)發(fā)言人說(shuō)，中國(guó)政府將全力以赴確保產(chǎn)品質(zhì)量，特別是食品安全。答案為B項(xiàng)。
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