A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">1</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">1/2</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">1/3</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: "><span style="mso-spacerun: yes"></span></span><span style="FONT-FAMILY: Symbol; FONT-SIZE: 12pt; mso-bidi-font-family: " lang="EN-US">p</span><span style="FONT-FAMILY: " lang="EN-US">/2</span>
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