多项选择题

Assume the scoped attribute priority does NOT yet exist. Which two create and set new request-scoped attribute priority to the value “medium”？（）

A. ${priority = ‘medium’ }
B. ${requestScope[ ‘priority’ ] = ‘medium’ }
C. <c：set var=priority” value=”medium” />
D. <c：set var=”priority” scope=”request”>medium</C：set>
E. <c：set var=”priority” value=”medium” scope=”request” />
F. <c：set property=”priority” scope=”request”>medium</c：set>
G. <c：set property=”priority” value=”medium” scope=”request” />

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