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Infant ________ was 20 deaths per thousand live births in 1986.
A. mortality B. morality C. moribund D. momentum上期习题答案:Shares on the stock market have _______ as a result of a worldwide economic downturn.
A.turned B. changed C. floated D. fluctuated受世界经济萎缩的影响,股票市场上股票出现波动。答案:Dturn 转动change 改变,兑换float 漂浮,浮动(小幅度的)fluctuate 波动,涨落,起伏(通常幅度较大)
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