题目

—What made the boss that angry?    —________.      A. Because the data he worked on were lost        B. Because of the loss of the data he worked on       C. The data he worked on lost                       D. That the data he worked on were lost 答案：D在拼图游戏中，把下图中三张纸片放在盒子里搅匀，任取两张看看能拼成菱形还是能拼成房子。想一想，有哪些方法可用模拟实验？尽可能多地说出你的方法，并分别估计拼成菱形和拼成房子的机会。