A：用燃着的木条点燃
B：通过灼热的氧化铜
C：通过澄清的石灰水
D：通过红热的铁丝
欲获得能稳定遗传的优良品种，某生物育种小组用基因型为Dd的玉米用两种方法进行育种试验，第一种育种方法为连续自交并逐代淘汰隐性个体，第二种育种方法为随机交配并逐代淘汰隐性个体．下列说法正确的是( )
—Look! How _________ the market is!—Yes. There are always lots of people buying things there.
Edward doesn't like his car. He thinks ________ is more modern than his.
