题目

设i是虚数单位，则复数所对应的点落在              （    ）        A．第一象限 B．第二象限 C．第三象限 D．第四象限 答案：B阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。In my last semester of college，my favorite professor made an 1. (announce)that he would be teaching a study-abroad course over the winter break in Cambodia．The more he talked about the opportunity，the more 2. (interest)I became．I left class thinking I might 3. (actual)do it．My immediate excitement gave in to excuses 4. the weeks passed．The trip would be expensive，I would have less time to spend with my family over the break and so on．In short，I was 5. (terrify)of taking the risk．On the day I made my 6. (decide)，I suddenly felt as if I had seen myself clearly．Why was I so scared to take this chance? How could I let fear get 7. the way of a once-in-a-lifetime opportunity? Besides，I had always dreamed of travelling the world and 8. (study)abroad was a major point in my life．So I took the challenge and 9. (fly)to Cambodia．Now，looking back to my experiences in Cambodia，I cherish them very much．It has taught me 10. (conquer)fears，big or small and have a faith in myself．