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【判断题】
原函数的定义域是反函数的值域,原函数的值域是反函数的定义域A.
正确
B.
错误
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举一反三
【简答题】A．The fruit sugar in oranges. B．The fibre in oranges. C．Vitamin C in oranges. D．Calcium in oranges.
【单选题】--- ? ---They are oranges.
A.
What’s this
B.
What’s that
C.
What are these
D.
Are they oranges
【简答题】Her favourite fruit is oranges．（改为同义句） She ________oranges________．
【单选题】The Spaniards did not grow oranges commercially in the New World because ______.
A.
oranges tended to dry out during shipping
B.
Florida oranges were very small
C.
there was no great demand for oranges in Europe
D.
oranges were plentiful in their home country
【单选题】There are some oranges _____ those _____ trees. [ ]
A.
in/orange
B.
on/oranges
C.
in/oranges
D.
on/orange
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