问题
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What is the evidence to deny animal experimentation?A.Some side effects cannot be communic
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How thd NASAs investigators prove the reason of thsaster?A.By studying the video tape.B.By
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What evidence did investigators fail to find?A.Evidence of fund to bribe Samsung group Cha
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What does the police investigation reveal about the case?A.The latest case might be drug-r
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What happened on Sunday?A.The central square was crowded with people.B.Investigators found
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They soon began to investigate the cause of the f