A:②③
B:①③
C:②④
D:①④
I haven't seen _______ this since I began to collect stamps.
请用划线的词语造句。
庄周家贫,故往贷粟於监河侯。监河侯曰:“诺。我将得邑金,将贷子三百金,可乎?”庄周忿然作色曰:“周昨来,有中道而呼者。周顾视车辙中,有鲋鱼焉。周问之曰:‘鲋鱼来!子何为者邪?’对曰:‘我,东海之波臣也。君岂有斗升之水而活我哉?’周曰:‘诺。我且南游吴越之王,激西江之水而迎子,可乎?’鲋鱼忿然作色曰:‘吾失我常与,我无所处。吾得斗升之水然活耳,君乃言此,曾不如早索我於枯鱼之肆!’”
已知:抛物线y=ax2+bx﹣3经过点A(7,﹣3),与x轴正半轴交于点B(m,0)、C(6m、0)两点,与y轴交于点D.