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【单选题】
Many a young person tells me he wants to be a writer. I always encourage such people, but I also explain that there's a big difference between' being a writer' and writing. In most cases these individuals are dreaming of wealth and fame, not the long hours alone at a typewriter. 'You've got to want to write, 'I say to them, 'not want to be a writer'. The reality is that writing is a lonely, private and poor-paying affair. For every writer kissed by fortune there are thousands more whose longing is never rewarded. When I left a 20-year career in the U.S. Coat Guard to become a freelance writer, I had no prospects at all. What I did have was a friend who found me a room in a New York apartment building. It didn't even matter that it was cold and had no bathroom. I immediately bought a used manual typewriter and felt like a genuine writer. After a year or so, however, I still hadn't gotten a break and began to doubt myself. It was so hard to sell a story that barely made enough to eat. But I knew I wanted to write, I had dreamed about it for years. I wasn't going to be one of those people who die wondering, What if? I would keep putting my dream to the test-even though it meant living with uncertainty and fear of failure. This is the Shadowland of hope, and anyone with a dream must learn to live there. The passage is meant to ______.
A.
warn young people of the hardships that a successful writer has to experience
B.
advise young people to give up their idea of becoming a professional writer
C.
show young people it's unrealistic for a writer to pursue wealth and fame
D.
encourage young people to pursue a writing career
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【判断题】对前轴采用非独立悬架的汽车,其转向轮的横向侧滑量应在±5m/km
A.
正确
B.
错误
【单选题】关于发动机冷却液检查描述,正确的是( )。
A.
冷车和热车时都应低于COLD标记处
B.
冷车时应在COLD标记处或稍高一点
C.
冷车时应在HOT标记处或稍高一点
D.
冷车和热车时都应高于HOT标记处
【单选题】前轴采用独立悬架的汽车,其转向轮横向侧滑量的限值为( )。
A.
不能确定
B.
±3 m/km
C.
±5 m/km
【单选题】关于散热器盖的描述,下列错误的是( )。
A.
)散热器盖使冷却液保持规定压力,可使其沸点保持在100℃以上
B.
)若在发动机仍然发热时拆卸散热器盖,先用手将盖松开45°以便释放压力     (C)散热器盖的真空阀和橡胶密封垫需要定期检查
C.
)以上都不正确
【单选题】预防医学是
A.
独立于医学以外的学科
B.
医学的基础学科
C.
医学的一门应用学科
D.
既综合又独立的学科
E.
预防系列为主的学科
【单选题】前轴采用独立悬架的汽车,其转向轮横向侧滑量的限值为()。
A.
±5m/km
B.
±3m/km
C.
不能确定
【简答题】根据ADC0809的一次转换过程抽象概括出状态机控制ADC0809做模数转换包含的状态(20分)
【简答题】试列出工业废渣的基本特性,通常使用的石灰稳定工业废渣材料有哪些?
【单选题】以下关于发动机冷却液描述正确的是
A.
冷却液冰点需要定期进行检查
B.
只要冷却液颜色相同就可以混合添加
C.
冷却液缺失时可直接加矿泉水进行补充
D.
冷却液只需定期检查无需进行更换
【单选题】前轴采用独立悬架的汽车,其转向轮横向侧滑量的限值为( )。
A.
±5m/km
B.
±3m/km
C.
不能确定
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