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【简答题】
July 4th, the Independence Day, is an important holiday of the United States of America. It’s the 小题1: (nation) holiday to celebrate the anniversary of their declaration of independence from Britain. The first Independence Day celebration took place on July 4, 1777 小题2: the thirteen colonies in America gained independence from Britain. In 小题3: early 1800s the traditions of parades, picnics, and fireworks were established as the way 小题4: (celebrate) America’s birthday. And although fireworks 小题5: (ban) in most places because of their danger, most towns and cities usually have big firework displays 小题6: all to see and enjoy. Today families often celebrate Independence Day by 小题7: (host) or attending a picnic or barbecue and take the day off and gather with relatives. 小题8: (decorate) are generally colored red, white, and blue, the colors of the American flag. Parades are often in the morning, 小题9: firework displays occur in the evening at such places as parks or town squares. The year of 2010 marked the 234th anniversary of the United States declaring 小题10: independence from Britain. Hundreds of thousands of visitors took part in the celebrations in the nation’s capital.
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【简答题】生物分离工程可分为几大部分,分别包括哪些单元操作?
【单选题】两样本均数比较时,已知n1.n2均小于30,总体方差不齐且呈极度偏态的资料宜用
A.
t’检验
B.
卡方检验
C.
u检验
D.
秩和检验
E.
t’检验和秩和检验均可
【判断题】当存在不确定性因素时,会计核算要保持必要的谨慎,不高估资产或收益是谨慎性原则的要求。
A.
正确
B.
错误
【判断题】当存在不确定性因素时,会计核算要保持必要的谨慎,不低估负债或费用是谨慎性原则的要求。
A.
正确
B.
错误
【多选题】一个标准的运营需要具备哪些条件?( )
A.
良好的沟通协调能力
B.
丰富的知识储备
C.
用数据说话的能力
D.
长远发展的眼光
【单选题】在作两样本均数比较时,已知两个样本量均小于 30 ,总体方差不齐且呈极度偏峰的资料,宜用 ()
A.
t 检验
B.
卡方检验
C.
秩和检验
D.
方差分析
【判断题】We saw him entered the classroom yesterday evening.
A.
正确
B.
错误
【单选题】自下颌角至锁骨中点的连线是下列哪个结构的体表投影()
A.
颈总动脉
B.
颈内静脉
C.
颈外静脉
D.
颈外动脉
【简答题】生物分离工程可分为几大部分,分别包括哪些单元操作?
【简答题】锁骨下动脉的体表投影是自_____至_____之间所划的一条凸向上的弧线,其最高点在锁骨上方_____cm
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