选择题：__________ before we depart tomorrow, we should ha

题目分类：河南财经政法大学-法学-大学英语4
题目类型：选择题
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__________ before we depart tomorrow, we should have a wonderful dinner party. （分数：1 分）
A. Had they arrived
B. Would they arrive
C. Were they arriving
D. Were they to arrive

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Last year, the crime rate in Chicago has sharply _

Last year, the crime rate in Chicago has sharply ________. （分数：1 分） A. declined

分类：河南财经政法大学-法学-大学英语4 题型：选择题

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市场交易的基本原则包括：A.自愿原则B.平等原则C.公平原则D.诚实信用原则

分类：河南财经政法大学-法学-大学英语4 题型：选择题

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With a cry, Peter raised his axe and struck ______

With a cry, Peter raised his axe and struck ________, burying it in the dog s ma

分类：河南财经政法大学-法学-大学英语4 题型：选择题

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机械手亦可称之为机器人。( )

分类：河南财经政法大学-法学-大学英语4 题型：选择题

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设二维随机变量(X,Y)的概率密度为f(x,y) =则P{X+Y>1}=______.

分类：河南财经政法大学-法学-大学英语4 题型：选择题

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