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【多选题】
进行市场调查策划考虑的因素包括( )。A.
调查对象和范围
B.
调查目的
C.
调查方式方法
D.
资金
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】求下列函数的定义域： （1）f（x）= ； （2）f（x）= 。
【简答题】（1）求下列函数的定义域： f(x)= 5-x x-1 ； （2）已知函数 f(x)= m x 2 +mx+1 的定义域是一切实数，则m的取值范围．
【单选题】—_______ next year? —She is going to learn more about English. [ ]
A.
When is she going to learn more about English
B.
What does she do
C.
What's she going to do
D.
Where is she going to do
【单选题】More and more people enjoy _____ English. [ ]
A.
learn
B.
to learn
C.
learns
D.
learning
【单选题】Which of the following statements is TRUE?
A.
The more we read and learn, the more ignorant we are.
B.
The more we read and learn, the more learned we are.
C.
The more we read and learn, the more confused we will be.
D.
The more we read and learn, the more snobbish we become.
【单选题】More and more people will have fun _____ English. [ ]
A.
learn
B.
learns
C.
to learn
D.
learning
【简答题】求下列函数的定义域： （1）f（x）= ； （2）f（x）= +4。
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