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【单选题】
The earliest immigrants to North America found Indians already living there. The Indians numbered about 500,000 at that time. Their society was a primitive society, but they lived peacefully and welcomed the white strangers to the land. However, these early immigrants from Europe didn't want to share the land with the natives. They killed off many of the Indians, seized their land or pushed them off to lands farther away. Today the Indians, not more than half a million, live in poverty and misery on the land on which they were once masters. The earliest immigrants were the Spanish, who settled in the southern part of what is now the U.S. The next large group were the English, after the English came the French, Dutch, Irish, Germans, and other nationality groups, mostly European. Another early group to arrive were the Negroes. But they were brought in as slaves from Africa. They didn't win freedom till generations later. Who were the earliest people living in North America?
A.
The Spanish.
B.
The English.
C.
The Negroes.
D.
The Indians.
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【单选题】八进制计算,7+1=
A.
8
B.
10
C.
9
【判断题】八进制数的基数是8,可以使用的数字符号是0、1、2、3、4、5、6、7、8。(    )
A.
正确
B.
错误
【判断题】八进制数有0-7共8个数码,基数为8,计数规律是逢8进1。()
A.
正确
B.
错误
【简答题】八进制加法,7+1=()
【单选题】诸多子集传播模型算法的区别不包括( )
A.
如何定义特殊子集合
B.
确定了特殊子集合所具有的性质后,如何对这个特殊子集合内网页给予一定的初始分值?不同算法打分方式各异
C.
从特殊子集合将其分值传播到其他网页时,采取何种传播方式?可传播的距离有多远?
D.
hubs集合和Authority集合
【简答题】八进制 数码:( ) 基数:( ) 进位规则:( ) 7+1=( )
【简答题】38. 下列对股骨描述错误的是 ( )A. .股骨头朝向内上方 B. .股骨颈是老年骨折常见部位 C. 大转子可在体表摸到 D. 下端膨大向前突出 E. 股骨干向前凸出
【判断题】八进制数是由1、2、3、4、5、6、7、8这8个数码组成的。( )
A.
正确
B.
错误
【单选题】喷油器本体检测是需要借助什么工具?
A.
万用表
B.
台虎钳
C.
扳手
D.
榔头
【单选题】八进制数7+1=()。
A.
22
B.
20
C.
100
D.
10
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