第11题: [单项选择]和AWT有关的所有事件类都是从类( )派生而来。 A. java.awt.AWTEvem B. java.lang.Object C. java.awt.Font D. java.awt.Graphics 参考答案:A 答案解析:[解析] 和AWT有关的所有事件类都从类 java.awt.AWTEvent派生而宋的。
第13题: [填空题]After May 1999, the Chinese oil wholesale market again became monopolized and controlled by the two oil giants in China. 参考答案:Y 答案解析:此句与第五段第二句话“Therefore,the wholesale market changed from a free market into one monopolized and contro