精英家教網 > 高中英語 > 題目詳情
________ H7N9 is a deadly virus, it is still safe to eat thoroughly­cooked chicken.
A.UntilB.While
C.IfD.Since
B
B考察狀語從句。本句中的deadly和safe構成了鮮明的對比,由此可知,空格處表示讓步關系,while有盡管的意思。故B正確。
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