问题
选择题
American women were _____ the right to vote until 1920 after many years of hard struggle.
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答案
D
deny 1)否认：A. He didn't deny the facts. B. They couldn't
deny that it was a serious blow to them. C. He denied having ever there.(他否认曾到过那里。) 2)(="say" 'no' to a request; refuse to give sth. asked for or needed)不给予；Lots of people were denied the right to vote.(许多人被剥夺了选举权。)He denies his wife nothing.(他对他的妻子有求必应。)
，O为AB连线中点. 一质量为m带正电q质点以初动能E0，从a出发沿直线向b点运动，第一次滑到O点时动能2E0为，到b点的动能恰好为0，重力加速度为g，则（ ）
