题目

The beautiful lady   to be a skilled theif. A.is turned out B.turned out C.turnedD.considered 答案：B 解析: turn out to be sb./sth.意为“证明是某人/某事物，原来是”，排除A、C两项，如用considered则应用其被动语态“be considered to be”，故答案选B。如果点（a，-2a）在函数是y=kx的图象上，那么k 0（填“＞”或“＜”）．