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【单选题】
“拔苗助长”出自( )。
A.
《论语》
B.
《·公孙丑》
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【简答题】A young man who lived in London was in love with a beautiful girl. Soon she became his fiancée(未婚妻).The man was very poor 26 the girl was rich. The young man wanted to give her a 27 on her birthday. H...
【简答题】a man who became _________ with the frailties of the human race
【简答题】已知向量 a =(1+cosωx,1), b =(1,a+ 3 sinωx)(ω为常数且ω>0),函数f(x)= a ? b 在R上的最大值为2. (1)求实数a的值; (2)把函数y=f(x)的图象向右平移 π 6ω 个单位,可得函数y=g(x)的图象,若y=g(x)在[0, π 4 ]上为增函数,求ω的最大值.
【简答题】已知函数 (a、b∈R), (Ⅰ)若f(x)在R上存在最大值与最小值,且其最大值与最小值的和为2680,试求a 和b的值; (Ⅱ)若f(x)为奇函数:(1)是否存在实数b,使得f(x)在 为增函数, 为减函数,若存在,求出b的值,若不存在,请说明理由; (2)如果当x≥0时,都有f(x)≤0恒成立,试求b的取值范围。
【简答题】After the success of ____, Herman Melville became known as a man who lived among cannibals. A.Typee B.White Jacket C.Omoo D.Moby Dick
【单选题】He suddenly became______that he was the only man who wasn't wearing a suit at the party.
A.
alert
B.
conscious
C.
rational
D.
sensible
【简答题】A young man who lived in London was in love with a beautiful girl. Soon she became his fiancée(未婚妻). The man was very poor while the girl was ___1__. The young man wanted to give her a ___2___ on her ...
【简答题】若函数 在 上的最大值为4,最小值为 , 且函数 在R上是增函数,则 = .
【简答题】(本题12分)定义在R上的函数 ,已知 在 上有最小值3。 (1)求 的单调区间; (2)求 在 上的最大值。
【简答题】若函数f(x)=log a (x 2 -2ax+1-2a 2 )(a >0,且a≠1)在R上的最大值是2,则a=___,f(x)的单调递增区间是 ___.
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