题目

a=sin12°+cos12°与b=sin56°的大小关系是（    ）A.a=b              B.a＜b                C.a＞b            D.a≤b 答案：解析：化简a=sin（12°+45°）=sin57°，∴a＞b.答案：C This silk dress __________ so smooth．It’s made in China． [　　] A． feels B． smells C． sounds D． tastes