单选题
Just last week, for example, the World Health Organization announced the disturbing disclosure that chick flu may be (pretty) deadlier than previously believed.无
【正确答案】
B
【答案解析】deadlier为比较级， 形容词和副词的比较级前可用much ,many, slightly, completely, any， rather， still， even， （by） far， yet， hardly， no， a bit， a little， a good/great deal， a lot/lots， three times 等副词修饰， 用以加深比较的程度。