A、<p><span style="font-family: 宋体; line-height: 24px; ">每半年;2/3</span></p>
B、<p><span style="font-family: 宋体; line-height: 24px; ">每年;1/2</span></p>
C、<p><span style="font-family: 宋体; line-height: 24px; ">每年;2/3</span></p>
D、<p><span style="font-family: 宋体; line-height: 24px; ">每半年;1/2</span></p>
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