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【单选题】
下面选项中，如果一个javaBean属性既有getter方法，又有setter方法，则该属性为A.
只读属性
B.
只写属性
C.
读写属性
D.
只读或只写属性
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A.
their legs and feet have strong skin and muscles
B.
their blood vessels are stiff and tough legs
C.
they wear a kind of special suit
D.
there are lots of one-way valves in the veins of their legs
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A.
is characteristic by
B.
is characterized by \
C.
characterizes by
D.
characteristic with
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