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【简答题】已知函数f（x）=ax-lnx， g(x)= lnx x ，它们的定义域都是（0，e]，其中e≈2.718，a∈R （ I）当a=1时，求函数f（x）的单调区间； （ II）当a=1时，对任意x 1 ，x 2 ∈（0，e]，求证： f( x 1 )＞g( x 2 )+ 17 27 （ III）令h（x）=f（x）-g（x）?x，问是否存在实数a使得h（x）的最小值是3，如果存在，求出a的值；如果不...
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【单选题】What was NOT the status of the young Americans in 1950s?
A.
They were aggressive and ambitious.
B.
They were feeling hopeless and living a meaningless life.
C.
They were unsatisfied with their life.
D.
They were dishonest.
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【简答题】The aggressive young man can go far in this firm.
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【单选题】The following is an abstract, consisting of 5 sentences. Which element does Sentence ④describe?Abstract: ①Research on exposure to television and movie violence suggests that playing violent video ...
A.
the key results or findings
B.
background information
C.
the methods
D.
the main conclusion
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【简答题】Boys' schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to research released today. F...
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【简答题】To produce the upheaval in the United States that changed and modernized higher education from the mid-1860s to the mid-1880s, several causes interacted. The emergence of a half-dozen leaders in educa...
查看完整题目与答案
【简答题】Boys’ schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to research released today. F...
查看完整题目与答案
【单选题】The young s who used to be aggressive but didn't watch much violent TV in childhood ______.
A.
turned out to be even more aggressive
B.
were less likely to get involved in crime
C.
showed a tendency to steal and fight aggressively
D.
became less aggressive than those watching violent TV shows in childhood
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【简答题】Reading Comprehension Boys' schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to rese...
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【简答题】构成建筑的基本要素有哪些 ? 它们之间有什么关系 ?
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【简答题】已知函数f（x）=ax-lnx， g(x)= lnx x ，它们的定义域都是（0，e]，其中e≈2.718，a∈R （ I）当a=1时，求函数f（x）的单调区间； （ II）当a=1时，对任意x 1 ，x 2 ∈（0，e]，求证： f( x 1 )＞g( x 2 )+ 17 27 （ III）令h（x）=f（x）-g（x）?x，问是否存在实数a使得h（x）的最小值是3，如果存在，求出a的值；如果不...
查看完整题目与答案
【单选题】What was NOT the status of the young Americans in 1950s?
A.
They were aggressive and ambitious.
B.
They were feeling hopeless and living a meaningless life.
C.
They were unsatisfied with their life.
D.
They were dishonest.
查看完整题目与答案
【简答题】The aggressive young man can go far in this firm.
查看完整题目与答案
【单选题】The following is an abstract, consisting of 5 sentences. Which element does Sentence ④describe?Abstract: ①Research on exposure to television and movie violence suggests that playing violent video ...
A.
the key results or findings
B.
background information
C.
the methods
D.
the main conclusion
查看完整题目与答案
【简答题】Boys' schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to research released today. F...
查看完整题目与答案
【简答题】To produce the upheaval in the United States that changed and modernized higher education from the mid-1860s to the mid-1880s, several causes interacted. The emergence of a half-dozen leaders in educa...
查看完整题目与答案
【简答题】Boys’ schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to research released today. F...
查看完整题目与答案
【单选题】The young s who used to be aggressive but didn't watch much violent TV in childhood ______.
A.
turned out to be even more aggressive
B.
were less likely to get involved in crime
C.
showed a tendency to steal and fight aggressively
D.
became less aggressive than those watching violent TV shows in childhood
查看完整题目与答案
【简答题】Reading Comprehension Boys' schools are the perfect place to teach young men to express their emotions and are more likely to get involved in activities such as art, dance and music, according to rese...
查看完整题目与答案
【简答题】构成建筑的基本要素有哪些 ? 它们之间有什么关系 ?
查看完整题目与答案
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