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【单选题】
若两个函数的对应关系相同,值域也相同,但定义域不同,则称这两个函数为 同族函数.那么与函数 为同族函数的个数有 ( )A.
5个
B.
6个
C.
7个
D.
8个
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反馈参考答案：
举一反三
【简答题】图样中的尺寸以 为单位时,不必标注计量单位的符号或名称。
【简答题】图样中的尺寸以 为单位时,不必标注计量单位的符号。
【单选题】_____, more than 200 houses and buildings are heated by solar energy.
A.
In the small alone town
B.
In the small town alone
C.
Alone in the small town
D.
In the alone small town
【简答题】A lot of houses and buildings, roads and bridges were damaged in the seaquake.
【单选题】________, more than 200 houses and buildings are heated by solar energy, not to mention the big cities.
A.
In the alone small town
B.
In the small town alone
C.
Alone in the small town
D.
In the small alone town
【简答题】“How are you?” is a nice question. It’s a 21 way that people in the United States greet each other, but when a person says “How are you?” he expects 22 the answers “fine”, even if the person’s friend ...
【单选题】A lot of houses and buildings ____ in the earthquake which took place early this month.
A.
destroyed
B.
were destroyed
C.
would destroyed
D.
will be destroyed
【简答题】In the U.S., houses and buildings use ___ % of all energy.
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