问题
单项选择题
分臵式液压系统农具提升时抖动的原因之一，是油路（）漏油。
A.大量
B.轻微
C.一般
D.油管破裂
答案
参考答案：B
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分臵式液压系统农具提升时抖动的原因之一，是油路（）漏油。
A.大量
B.轻微
C.一般
D.油管破裂
参考答案：B
My mother is a geneticist, and from her I learned that despite our differences in size, shape and color, we humans are 99.9 percent the same. It is in our 36 to see differences: skin, hair and eye color, height, language. But also in our nature, way down in the DNA that 37 us human, we are almost the 38 . I believe there is more that unites us than 39 us. My mother came to the US from India. She is 40 enough that she got her service 41 in a diner in 1960s Dallas. My father is a white boy from Indiana whose 42 came from Germany in the mid-1800s. It seems 43 to admit now, but I never 44 that my parents were different colors. One day, I watched my parents walk 45 the street of our church together. They were 46 in the service that day, and as they walked, I saw their hands 47 together in unison(一致地). I noticed for the first time how dark my mother was, and how white my father was. I knew them as my parents 48 I realized their skin color. I'm sorry to say that now when I see a mixed-race 49 walking down the street, I see the "mixed race" first and the "couple" second. When my parents married in 1966, there were 50 places in this country that had laws 51 mixed marriage. 52 , my white grandfather, 53 father had been a typical racist, was not against their marriage. Some of us are men, some are women. Some are young, some old. Some of us are short and others 54 . Some right-handed, some left-handed. We have lots of differences; we are all 55 . But deep down inside us, down in our DNA, we are 99.9 percent the same. And I believe we need to remember that.
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