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【简答题】
n My First Day in New York n I arrived in the United States on Feb. 6, 1986, but I remember my first day here very clearly. My friend was waiting for me when my plane landed at Kennedy Airport at three o’clock in the afternoon. The weather was very cold and it was snowing, but I was too excited to mind. From the airport, my friend and I took a taxi to my hotel. On the way, I saw the skyline of Manhattan for the first time and I stared in astonishment at the famous skyscrapers and their man-made beauty. My friend helped me unpack at the hotel and then left me because he had to go back to work. He promised to return the next day. n n Shortly after my friend had left, I went to a restaurant near the hotel to get something to eat. Because I couldn’t speak a word of English, I couldn’t tell the waiter what I wanted. I was very upset and started to make some gestures, but the waiter didn’t understand me. Finally, I ordered the same thing the man at the next table was eating. After dinner, I started to walk along Broadway until I came to Times Square with its movie theatres, neon lights, and huge crows of people. I didn’t feel tired, so I continued to walk around the city. I wanted to see everything on my first day. I knew it was impossible, but I wanted to try.
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举一反三
【单选题】血中主要运输形式胆红素是
A.
胆红素-白蛋白
B.
胆红素葡萄糖醛酸
C.
胆红素-Y蛋白
D.
胆素原
【单选题】血中主要运输形式胆红素是()
A.
胆红素葡萄糖醛酸酯
B.
胆红素-白蛋白
C.
胆素原
D.
胆红素-γ蛋白
E.
胆红素-阴离子
【多选题】无限大功率电源的特点是( )
A.
容量为无限大
B.
阻抗等于零
C.
端电压不变
D.
频率保持不变
【单选题】血中主要运输形式胆红素是
A.
胆红素-白蛋白
B.
胆红素葡萄糖醛酸酯
C.
胆红素-Y蛋白
D.
胆素原
E.
胆红素-阴离子
【简答题】无限大功率电源的特点是什么?
【单选题】血中主要运输形式胆红素是
A.
胆红素—白蛋白
B.
胆红素葡萄糖醛酸酯
C.
胆红素-Y蛋白
D.
胆素
E.
胆绿素
【简答题】无限大功率电源的特点是什么?无限大功率电源供电情况下,发生三相短路时,短路电流中包含有哪些电流分量,这些电流分量的变化规律是什么?
【单选题】血中主要运输形式胆红素是
A.
胆红素葡萄糖醛酸酯
B.
胆红素-白蛋白
C.
胆素原
D.
胆红素-γ蛋白
E.
滑面内质网
【单选题】下列哪一个不是无限大功率电源的特点
A.
端电压保持恒定
B.
电源电流保持恒定
C.
没有内部阻抗
D.
功率无限大
【简答题】无限大功率电源的特点是什么?在什么情况下可以将实际电源视为无限大功率电源?
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