题目

   When I was thirteen, my family moved from Boston to Tucson, Arizona.  36  the move, my father  37  us in the living-room on a freezing January night. My sisters and I sat around the fire, not   38  that the universe would suddenly change its course. In May, we're  39  to Arizona.     The words, so small, didn't seem  40  enough to hold my new life. But the world changed and I awoke on a tram moving across the country. I watched the  41_  change from green trees to flat dusty plains to high mountains as I saw strange new plants that  42  mysteries(奥秘) yet to come. F非金属单质溴与氯气的性质很相似。在探究溴单质的性质时，其基本程序应该是(　　)A.做实验并观察实验现象→分析、解释，得出结论B.观察溴的外观性质→做实验并观察实验现象→分析、解释，得出结论C.预测溴的性质→做实验并观察实验现象→分析、解释，得出结论→观察溴的外观性质D.观察溴的外观性质→预测溴的化学性质→做实验并观察实验现象→分析、解释，得出结论