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【单选题】
某二的后序遍历序列与中序遍历序列相同，均为ABCDEF，则前序遍历序列为()。A.
FEDCBA
B.
CBAFED
C.
DEFCBA
D.
ABCDEF
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【单选题】_____________________________________________________________ There are more households living in actual poverty than there are households below the poverty line. A recent report states that as much a...
A.
The issue of understating poverty is especially pressing in the states with both a high cost and a high poverty rate such as California.
B.
The poverty line lost all connection over time with current consumption patterns of the average family.
C.
The official poverty line today is essentially what it takes in today's dollars to purchase the same poverty-line level of living half a century ago.
D.
Many sociologists and government officials have argued that poverty in the US is understated.
【单选题】Suppose today’s CPI is 134.85, and suppose one must spend $580 today to purchase the same basket of goods and services that could be bought for $400 in 1989. Then the CPI in 1989 was
A.
24.27.
B.
60.68.
C.
93.00.
D.
195.53.
【多选题】下列对我国古代天文学成就描述中,正确的是(
A.
《诗经》中有中国历史第一次有确切日期的月食记录。
B.
《春秋》保存了世界上关于哈雷彗星的最早记录。
C.
《甘石星经》是世界上最早的天文学著作,书中记录了800多个恒星的名字。
D.
《汉书.五行志》中有世界公认的较早的黑子记录。
E.
隋朝和尚一行在世界上第一次测量出地球子午线长度他通过观察发现了恒星位置移动现象。
【简答题】列出后台作业的命令。
【简答题】邢浩楠.mp4 找错误,写下来
【判断题】In a basket purchase, the cost of the individual assets acquired is determined on the basis of their relative sales value
A.
正确
B.
错误
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