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【单选题】
下列复选框构造方法，错误的是 ( )A.
setLayout(new GridLayout(3，1))；
B.
add(new Checkbox('one'，null，true))；
C.
add(new Checkbox('two'))；
D.
add(new Checkbox('one'，true))；
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【简答题】Jane Austen, a famous English writer, was born at Ston, Hampshire, on December 16, 1775, and died on July 18, 1817. She began writing early in life, although the prejudices（偏见） of her times force...
【单选题】David：Hi，Jane，do you have some change with you?I have to make a call on thepay phone． Jane：Pay phone?Why not use my mobile phone?__________．
A.
Here you are
B.
You are welcome
C.
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D.
Don’t worry
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