题干
—Speaking of basketball，Daniel is the best.
—________. Actually he'll make a successful sportsman，I think.
A：No idea
B：Not likely
C：Hard to say
D：That's for sure
答案(点此获取答案解析）
D
4Na + O2↑+ 2H2O；后来盖·吕萨克用铁与熔融氢氧化钠作用也制得钠，反应原理为：3Fe＋4NaOH
Fe3O4＋2H2↑十4Na↑。下列有关说法正确的是