单项选择题
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A. When our mood turns peppier.
B. When we feel there’s a good flow of ch’i.
C. When there’s good and bright lighting.
D. When there’s mirror to reflct the ch’i.
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大多数情况下,药品在获批使用前要经过一系列的严格测试,证明它们给身体带来的益处大于潜在风险。因此,尽管一些药品本身危险性很高,但由于它们可以治疗严重疾病,也被批准使用。[听力原文]In most cases, drugs are only approved to use after a series of rigid tests, showing their benefits outweigh their potential risks. Thus some very dangerous drugs are approved because they are necessary to treat serious illnesses.
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Paraphrase the sentence those bets could sour, however, if the American economy slows (Para. 6)
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