问题
单项选择题
会员应根据投资者风险承受能力和专业知识情况，对投资者交易的权限和规模进行分级管理。一级投资人，可进行（）
A.备兑开仓（卖认购期权）
B.买入期权的权限
C.卖出开仓的权限
答案
参考答案：A
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会员应根据投资者风险承受能力和专业知识情况，对投资者交易的权限和规模进行分级管理。一级投资人，可进行（）
A.备兑开仓（卖认购期权）
B.买入期权的权限
C.卖出开仓的权限
参考答案：A
| 请你根据某学校的一个广播通知，填写下面的海报。 | |
| May I have your attention, please? I have an announcement to make. Since the A/H1Nl flu is around us, we should pay great attention to our health and get some knowledge about the terrible disease. Our school has invited Doctor Li to give us a talk about how to prevent (预防) the flu. It will start at 4:00 on Friday aftemoon in our school lecture hall. Students in Grade Seven are required to attend the talk. Please be there o n time. That's all. Thank you.
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