指出下面句子所用修辞手法并说说其表达作用。
—Michael was late for Mr. Smith's chemistry class this morning.
—________? As far as I know, he never came late to class.
一个人会以“不到长城非好汉”的劲头去实现预定目标,并以坚强毅力去克制与预定目标相背的行动,这是因为( )