1.[]The senator agreed that his support of the measure would jeopardize his chances for reelection.A.benefit B.endanger C.hinder D.disturbABCD
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参考答案：B
参考解析：句意为：参议员认为对这项措施的支持会危及他再次当选。jeopardize“害处，危害，危险”，四个选项：benefit“有利，益于”；endanger“处于危险境地，使处于危险”；hinder“阻碍，阻挠”；disturb“打搅”；所以B项符合题意。