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Questions 11 to 18 are based on the conversation you have just heard.
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Questions 11 to 18 are based on the conversation you have just heard.
具有择时能力的基金经理在牛市时降低现金头寸或提高基金组合的β值。（）
Compared with the rare school killings, children are more likely to be killed in the streets or in their homes because of ______ that begun in the mid-1980s.
为了减少年度的应付税款，国债和企业债券的互换属于税差互换。（）
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