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【单选题】
已知含10个结点的二叉排序树是一棵完全二叉树，则该二叉排序树在等概率情况下查找成功的平均查找长度等于（ ）。A.
1.0
B.
2.9
C.
3.4
D.
5.5
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皮皮学刷刷变学霸
举一反三
【单选题】As to whether a higher minimum wage will cause job losses, the author thinks it's something of
A.
capriciousness.
B.
ambivalence.
C.
incertitude.
D.
urgency.
【单选题】Rising job losses are likely to _______ future sales.
A.
cut into
B.
look for
C.
come across
D.
insist on
【单选题】In addition to job losses, what stands in the way of unhappy couples getting a divorce?
A.
Mounting family debts.
B.
A Sense of insecurity.
C.
Difficulty in getting a loan.
D.
Falling housing prices.
【单选题】据唐代天宝年间统计的全国户口数字，秦岭、淮河以南地区的户数占45．5%，以北则占到54．5%；而据北宋《太平寰宇记》所载北宋初期全国户数，秦岭、淮河以南地区的户数已占59．1%，以北则为40．9%。这一变化（）
A.
表明了社会经济进一步发展
B.
导致了宋代政治中心的南移
C.
推动了对外贸易通道的变化
D.
加剧了人地矛盾的尖锐程度
【单选题】Job losses are an unfortunate ( ) of the recession.
A.
byproduct
B.
product
C.
result
D.
outcome
【单选题】In the 18th century many British politicians favored friendship with Prussia because they thought that the Prussian army was ______ to the British navy.
A.
complimentary
B.
complicated
C.
complementary
D.
comprehensive
【简答题】It was ________ that there would be job losses.
【单选题】史料实证——经济格局变动 据唐代天宝年间统计的全国户口数字,秦岭、淮河以南地区的户数占45%,以北占到55%;据北宋《太平寰宇记》所载北宋初期全国户数,秦岭、淮河以南地区的户数占59.1%,以北则为40.9%。这一变化( )
A.
导致丝绸之路的受阻
B.
导致宋代政治中心的南移
C.
反映经济格局的变动
D.
加剧人地矛盾的尖锐程度
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