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【单选题】
设 f(x)= 1当x为有理数时 0当x为无理数时 ，对所有实数x均满足xf（x）≤g（x），那么函数g（x）可以是（　　）
A.
g（x）=sinx
B.
g（x）=x
C.
g（x）=x 2
D.
g（x）=|x|
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参考答案：
举一反三
【单选题】______________ is a measure of income or profit divided by the investment required to obtain that income or profit.
A.
Return on sales
B.
Capital turnover
C.
Return on investment
D.
Residual income
查看完整题目与答案
【单选题】若x→0时,下列无穷小量中与ln(1+2x)等价的是( )。
A.
x
B.
C.
D.
2x
查看完整题目与答案
【单选题】Income divided by the price level is _____ income.
A.
personal
B.
real
C.
disposable
D.
national
查看完整题目与答案
【单选题】若x→0时,下列无穷小量中与 等价的是( )。
A.
x
B.
2x
C.
查看完整题目与答案
【单选题】提高个人的道德感情的国民个体道德教育的方法是_。
A.
言教
B.
奖惩
C.
身教
D.
榜样
查看完整题目与答案
【判断题】酸酐类固化剂具有放热峰低的特点,因而需要在较高的温度下长时间固化才行。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The world's economies can be divided into four main categories according to their annual per-capita income levels: low-income, lower middle-income, upper middle-income and high-income economies. What ...
A.
low-income
B.
upper middle-income
C.
high-income
D.
lower middle-income
E.
Malaysia falls between low income and lower middle-income economies.
查看完整题目与答案
【判断题】The Modern Drama Movement started in 1907.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which drama is called as the first modern comedy in English?
A.
As You Like It
B.
The School for Scandal
C.
Lady Windermere's Fan
D.
The Importance of Being Earnest
查看完整题目与答案
【单选题】The world's economies can be divided into four main categories according to their annual per-capita income levels: low-income, lower middle-income, upper middle-income and high-income economies. What ...
A.
low-income
B.
upper middle-income
C.
high-income
D.
lower middle-income
E.
Singapore falls between low income and lower middle-income economies.
查看完整题目与答案
相关题目：
【单选题】______________ is a measure of income or profit divided by the investment required to obtain that income or profit.
A.
Return on sales
B.
Capital turnover
C.
Return on investment
D.
Residual income
查看完整题目与答案
【单选题】若x→0时,下列无穷小量中与ln(1+2x)等价的是( )。
A.
x
B.
C.
D.
2x
查看完整题目与答案
【单选题】Income divided by the price level is _____ income.
A.
personal
B.
real
C.
disposable
D.
national
查看完整题目与答案
【单选题】若x→0时,下列无穷小量中与 等价的是( )。
A.
x
B.
2x
C.
查看完整题目与答案
【单选题】提高个人的道德感情的国民个体道德教育的方法是_。
A.
言教
B.
奖惩
C.
身教
D.
榜样
查看完整题目与答案
【判断题】酸酐类固化剂具有放热峰低的特点,因而需要在较高的温度下长时间固化才行。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The world's economies can be divided into four main categories according to their annual per-capita income levels: low-income, lower middle-income, upper middle-income and high-income economies. What ...
A.
low-income
B.
upper middle-income
C.
high-income
D.
lower middle-income
E.
Malaysia falls between low income and lower middle-income economies.
查看完整题目与答案
【判断题】The Modern Drama Movement started in 1907.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which drama is called as the first modern comedy in English?
A.
As You Like It
B.
The School for Scandal
C.
Lady Windermere's Fan
D.
The Importance of Being Earnest
查看完整题目与答案
【单选题】The world's economies can be divided into four main categories according to their annual per-capita income levels: low-income, lower middle-income, upper middle-income and high-income economies. What ...
A.
low-income
B.
upper middle-income
C.
high-income
D.
lower middle-income
E.
Singapore falls between low income and lower middle-income economies.
查看完整题目与答案
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