北宋第一个专事写词的婉约派词人是
A.苏轼B.王安石C.柳永D.晏殊
参考答案:C
解析:[错误分析与防范] 苏轼也是北宋著名词人,但他只是开创了豪放词派,而非专事写词的作家。
—Is this your bicycle, David?
—No, it's not _______. It's Helen's. [ ]
A. his
B. yours
C. mine
D. hers
罗北偏离磁北的角度叫做()。
A.磁差
B.自差
C.罗经差
D.电罗经差