This is a picture of Mr Black's family. The man is Mr Black. The woman is Mrs Black. They have a son and a daughter. The son is behind Mr Black. He looks like his mother. His name is Mike. He's thirteen. Their daughter, Ann is behind Mrs Black. She is eleven. Mike and Ann are in the same school. But they are not in the same grade. Mike is in Grade Nine. Ann is in Grade Seven. They are good students at school. Mike likes English, but he doesn't like math. Ann likes Chinese and math. She also likes singing English songs.
根据短文内容完成下列句子，每空一词。

若把多项式x²+mx﹣6分解因式后含有因式x﹣2，则m的值为（　　）

北半球信风带的风向是（　　）

“两岸之道，唯和与合，势之所趋，事之必至。期我同胞，终能秉持九二共识与汪辜会谈之谛，续写协商与对话新页。庶几可告慰先生也。”汪道涵唁辜振甫逝世电文中提及的“九二共识”是指（    ）