听录音,回答以下问题。What did the speaker talk about last time?

听录音,回答以下问题。What did the speaker talk about last time?

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According to the passage, which of the following is TRUE?

According to the passage, which of the following is TRUE?A.All Americans are per

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Private companies have little interest in producing flu vacc

Private companies have little interest in producing flu vaccines because of ____

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“公布发布重大事件或者重要决定事项”用(  )。

“公布发布重大事件或者重要决定事项”用(  )。A.决议 B.公报 C.指示 D.通知

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