The emergency center is in great need of O-type blood，but there is__________ at hand.
A．nothingB．noneC．a(chǎn)nyD．much
B               
             
試題分析：考查代詞。句意：急救中心急需O型血，但現(xiàn)在目前沒有。none為特指，是在一些人或事物范圍內(nèi)討論，指“一點兒或一個某種物/人也沒有”  nothing,為泛指，指什么都沒有，說得夸張點兒甚至連空氣都沒有。故選B項。
考點 : 考查代詞
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