“一题多解，演绎推理”是______。
A．再现思维 B．求同思维 C．辐合思维 D．发散思维
参考答案：D
(2013 ·郑州高中毕业班第一次质量预测)________ his strength failed and he dropped behind in the race.
A．Quietly
B．Actually
C．Practically
D．Gradually
卧式氨合成塔有何特点？
