A:提示道路边缘一冬季多积雪
B:提示道路地势一夏季多暴雨
C:提示道路走向一道路多弯曲
D:提示行车安全一全年多大风
____ He's my brother.
____ Who's that boy?
____ Yes, she is.
____ Is she your mother?
____ No, he isn't. He's my teacher.
____ Is he your father?
——How is it going?——_______. I can't find my English book.
下列各式中,一元一次不等式是( )