用于控制疟疾复发和传播的药物是 (  ) 。

用于控制疟疾复发和传播的药物是 (  ) 。

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治疗强心苷中毒所致室性心律失常的首选药是 (  ) 。

治疗强心苷中毒所致室性心律失常的首选药是 (  ) 。

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Please show me _______to send an e-mail, John.It's the first

Please show me _______to send an e-mail, John.It's the first time for me to do i

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---I'm sorry I broke your coffee cup.---Oh, really ?________

---I'm sorry I broke your coffee cup.---Oh, really ?____________

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