单词：bio-hazard
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Fearing Bioterrorism Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have s
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action ['kʃən] n.行动，动作，作用，活动 boast [bəust] n.v.吹牛 complete [kəm'pli:t] a.完全的，完成的；v.完成 dictate [dik'teit] v.听写，口授 existence [ig'zistəns] n.生存，存在 hatred ['heitrid] n.厌恶，憎恨，
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Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T
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今天我们要学的词是hazard。 Hazard, 是危害，危险的意思。混合动力车虽然有利于环保，但是低速行驶时几乎没有声音，对盲人的安全构成威胁， Hybrid vehicles pose a safety hazard for the blind. 最近，有
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Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr
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今天我们要学的词是hazard。 Hazard, 是危害，危险的意思。混合动力车虽然有利于环保，但是低速行驶时几乎没有声音，对盲人的安全构成威胁， Hybrid vehicles pose a safety hazard for the blind. 最近，有
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