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【单选题】
下列函数是奇函数,且在定义域内为增函数的是A.
f(x)=
B.
f(x)=
C.
f(x)= +x-1
D.
f(x)=lg(3-x)
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反馈参考答案：
举一反三
【单选题】We learn from the first 2 paragraphs that
A.
economic recession has made work dreadful for most CEOs.
B.
the burnout scenario is not uncommon among senior leaders.
C.
managers today are unable to deal with workers' job fatigue.
D.
the lives of CEOs are more stressful than those of employees.
【单选题】下图所示结构属于( )
A.
静不定结构,静不定度K=3
B.
静不定结构,静不定度K=4
C.
静不定结构,静不定度K=5
D.
静不定结构,静不定度K=6
E.
静不定结构,静不定度K=7
F.
静不定结构,静不定度K=8
【单选题】Because of the economic recession, many small businesses are having difficulty ______ their budget.
A.
manage
B.
managing
C.
to manage
D.
management
【单选题】元素周期表里金属元素和非金属元素分界线附近能找到可以用来制成( )
A.
催化剂的元素
B.
新农药的元素
C.
半导体的元素
D.
耐高温的合金元素
E.
耐腐蚀的合金元素
【单选题】What does Christina Romer say about the current economic recession?
A.
Its severity is no match for the Great Depression of 1929.
B.
Its initial blow to confidence far exceeded that of 1929.
C.
It has affected house owners more than stock holders.
D.
It has resulted in a freee fall of the prices of commodities.
【简答题】What is the passage mainly talking about? A) The economic recession will last a few years. B) More people are taking their skills online to make money. C) Asking for advice through the Internet is a g...
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