问题
单项选择题
减压阀的出口压力比进口压力（）。
A、高
B、低
C、相同
D、时高时低
答案
参考答案：B
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减压阀的出口压力比进口压力（）。
A、高
B、低
C、相同
D、时高时低
参考答案：B
More Than I Had Dreamed Of From the time I was seven, I had a dream of becoming a member of the Students Union．I always 36 my school leaders for taking responsibility for all of us．So I dreamed of being a leader． Years flew by, and soon I was able to participate in the elections, 37 I would win．But the reality struck that I hadn't had a chance．I wasn't pretty．Girls across the school hardly knew me．I just did not have what it 38 to win a school election．I was 39 ． As I cried in my room that evening, I 40 took a deep breath and decided I wouldn't stop dreaming．I decided that I would 41 for elections again in my final year at school—and I would win． I recognized that my 42 had a lot of things in their favor．What were the 43 that would work in my favor? I had good grades, and I was friendly and helpful．And my biggest 44 was the faith I had．I would not allow my 45 appearance to hold me back from putting my best foot forward．That evening, I 46 my election plans a whole year in advance． I realized that girls would have to get to know me and recognize that I had the ability to 47 them．I loved making friends and I liked being helpful, 48 I decided that perhaps I could use these qualities to work to my advantage．In order to learn how to present a great election 49 , I also attended a course on effective public speaking． The day after the election, when the principal announced I won the second highest number of votes, the students 50 That joy on the faces of all my friends showed me that my victory was 51 theirs． Suddenly, I realized that I had 52 much more than I had dreamed of．I had made many new friends and had helped people 53 the way．I had won the 54 and love of my school-mates and they knew me as somebody who would stand by them．I was able to put a smile on their faces and 55 their day．
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