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【简答题】
剂量-效应反应关系是制订______的理论基础,也是毒理学评价和______的重要依据。
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【单选题】听力原文： Fire raced through two subway trains packed with people in South Korea on Tuesday after a man ignited a carton filled with flammable material, killing about 120 people and injuring 135, official...
A.
135 people.
B.
230 people.
C.
255 people.
D.
120 people.
【简答题】Thank you for your_____(thought), but I am scheduled to leave for Shanghai on Tuesday.
【简答题】慢性肺源性心脏病的首要死亡原因是( )?
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【简答题】已知华为企业级交换机S5730-60C-HI-48S具有48个千兆接口和4个万兆光接口,可扩展8个万兆电接口卡,8个万兆光接口卡,2个40千兆光接口卡,背板带宽为758Gbps/7.58Tbps,吞吐量为252Mpps,请计算在所有接口满负荷工作下能否达到线速。
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