55.Jack was about to announce our plan but I ____________.

　　A.cut him short(cut me short)请把我头发剃短 使中断 缩短

　　B.turned him out 驱逐 迫使放弃

　　C.gave him up give sb. up 断绝关系 give up sb. 放弃(很少形容人)

　　D.put him through (put sb. through 使某人经受考验)

　　词汇补充：

　　cut me hear 自首

　　56.I am sure I can _______ him into letting us stay in the hotel for the night.

　　A.speak (speak + 介词)

　　B.talk(talk sb. into sth 劝说 说服)

　　C.say

　　D.tell

　　(answer：B)

　　57.Last year, the crime rate in chicago has sharply __________.

　　A.slipped 滑落

　　B.lessoned 减小 缩小 后面只能为抽象意义的 影响 或者 重要性

　　C.descended

　　D.declined 下降(数字 比率) 经济衰退

　　(answer：D)